http://git-wip-us.apache.org/repos/asf/ignite/blob/11b00873/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopPlannerMockJob.java
----------------------------------------------------------------------
diff --git 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopPlannerMockJob.java
 
b/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopPlannerMockJob.java
deleted file mode 100644
index 1a87865d..0000000
--- 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopPlannerMockJob.java
+++ /dev/null
@@ -1,168 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.ignite.internal.processors.hadoop;
-
-import org.apache.ignite.IgniteCheckedException;
-import org.apache.ignite.IgniteLogger;
-import org.jetbrains.annotations.Nullable;
-
-import java.util.Collection;
-import java.util.UUID;
-
-/**
- * Mock job for planner tests.
- */
-public class HadoopPlannerMockJob implements HadoopJob {
-    /** Input splits. */
-    private final Collection<HadoopInputSplit> splits;
-
-    /** Reducers count. */
-    private final int reducers;
-
-    /**
-     * Constructor.
-     *
-     * @param splits Input splits.
-     * @param reducers Reducers.
-     */
-    public HadoopPlannerMockJob(Collection<HadoopInputSplit> splits, int 
reducers) {
-        this.splits = splits;
-        this.reducers = reducers;
-    }
-
-    /** {@inheritDoc} */
-    @Override public Collection<HadoopInputSplit> input() throws 
IgniteCheckedException {
-        return splits;
-    }
-
-    /** {@inheritDoc} */
-    @Override public HadoopJobInfo info() {
-        return new JobInfo(reducers);
-    }
-
-    /** {@inheritDoc} */
-    @Override public HadoopJobId id() {
-        throwUnsupported();
-
-        return null;
-    }
-
-    /** {@inheritDoc} */
-    @Override public HadoopTaskContext getTaskContext(HadoopTaskInfo info) 
throws IgniteCheckedException {
-        throwUnsupported();
-
-        return null;
-    }
-
-    /** {@inheritDoc} */
-    @Override public void initialize(boolean external, UUID nodeId) throws 
IgniteCheckedException {
-        throwUnsupported();
-    }
-
-    /** {@inheritDoc} */
-    @Override public void dispose(boolean external) throws 
IgniteCheckedException {
-        throwUnsupported();
-    }
-
-    /** {@inheritDoc} */
-    @Override public void prepareTaskEnvironment(HadoopTaskInfo info) throws 
IgniteCheckedException {
-        throwUnsupported();
-    }
-
-    /** {@inheritDoc} */
-    @Override public void cleanupTaskEnvironment(HadoopTaskInfo info) throws 
IgniteCheckedException {
-        throwUnsupported();
-    }
-
-    /** {@inheritDoc} */
-    @Override public void cleanupStagingDirectory() {
-        throwUnsupported();
-    }
-
-    /**
-     * Throw {@link UnsupportedOperationException}.
-     */
-    private static void throwUnsupported() {
-        throw new UnsupportedOperationException("Should not be called!");
-    }
-
-    /**
-     * Mocked job info.
-     */
-    private static class JobInfo implements HadoopJobInfo {
-        /** Reducers. */
-        private final int reducers;
-
-        /**
-         * Constructor.
-         *
-         * @param reducers Reducers.
-         */
-        public JobInfo(int reducers) {
-            this.reducers = reducers;
-        }
-
-        /** {@inheritDoc} */
-        @Override public int reducers() {
-            return reducers;
-        }
-
-        /** {@inheritDoc} */
-        @Nullable @Override public String property(String name) {
-            throwUnsupported();
-
-            return null;
-        }
-
-        /** {@inheritDoc} */
-        @Override public boolean hasCombiner() {
-            throwUnsupported();
-
-            return false;
-        }
-
-        /** {@inheritDoc} */
-        @Override public boolean hasReducer() {
-            throwUnsupported();
-
-            return false;
-        }
-
-        /** {@inheritDoc} */
-        @Override public HadoopJob createJob(Class<? extends HadoopJob> 
jobCls, HadoopJobId jobId, IgniteLogger log,
-            @Nullable String[] libNames, HadoopHelper helper) throws 
IgniteCheckedException {
-            throwUnsupported();
-
-            return null;
-        }
-
-        /** {@inheritDoc} */
-        @Override public String jobName() {
-            throwUnsupported();
-
-            return null;
-        }
-
-        /** {@inheritDoc} */
-        @Override public String user() {
-            throwUnsupported();
-
-            return null;
-        }
-    }
-}

http://git-wip-us.apache.org/repos/asf/ignite/blob/11b00873/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopPopularWordsTest.java
----------------------------------------------------------------------
diff --git 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopPopularWordsTest.java
 
b/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopPopularWordsTest.java
deleted file mode 100644
index 3f825b0..0000000
--- 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopPopularWordsTest.java
+++ /dev/null
@@ -1,298 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.ignite.internal.processors.hadoop;
-
-import com.google.common.collect.MinMaxPriorityQueue;
-import java.io.IOException;
-import java.util.Comparator;
-import java.util.Map.Entry;
-import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.fs.FileSystem;
-import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.io.IntWritable;
-import org.apache.hadoop.io.LongWritable;
-import org.apache.hadoop.io.Text;
-import org.apache.hadoop.mapreduce.Job;
-import org.apache.hadoop.mapreduce.Mapper;
-import org.apache.hadoop.mapreduce.Reducer;
-import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
-import org.apache.hadoop.mapreduce.lib.input.TextInputFormat;
-import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;
-import org.apache.ignite.internal.util.typedef.X;
-import org.apache.ignite.internal.util.typedef.internal.U;
-
-import static com.google.common.collect.Maps.immutableEntry;
-import static com.google.common.collect.MinMaxPriorityQueue.orderedBy;
-import static java.util.Collections.reverseOrder;
-
-/**
- * Hadoop-based 10 popular words example: all files in a given directory are 
tokenized and for each word longer than
- * 3 characters the number of occurrences ins calculated. Finally, 10 words 
with the highest occurrence count are
- * output.
- *
- * NOTE: in order to run this example on Windows please ensure that cygwin is 
installed and available in the system
- * path.
- */
-public class HadoopPopularWordsTest {
-    /** Ignite home. */
-    private static final String IGNITE_HOME = U.getIgniteHome();
-
-    /** The path to the input directory. ALl files in that directory will be 
processed. */
-    private static final Path BOOKS_LOCAL_DIR =
-        new Path("file:" + IGNITE_HOME, 
"modules/tests/java/org/apache/ignite/grid/hadoop/books");
-
-    /** The path to the output directory. THe result file will be written to 
this location. */
-    private static final Path RESULT_LOCAL_DIR =
-        new Path("file:" + IGNITE_HOME, 
"modules/tests/java/org/apache/ignite/grid/hadoop/output");
-
-    /** Popular books source dir in DFS. */
-    private static final Path BOOKS_DFS_DIR = new 
Path("tmp/word-count-example/in");
-
-    /** Popular books source dir in DFS. */
-    private static final Path RESULT_DFS_DIR = new 
Path("tmp/word-count-example/out");
-
-    /** Path to the distributed file system configuration. */
-    private static final String DFS_CFG = 
"examples/config/filesystem/core-site.xml";
-
-    /** Top N words to select **/
-    private static final int POPULAR_WORDS_CNT = 10;
-
-    /**
-     * For each token in the input string the mapper emits a {word, 1} pair.
-     */
-    private static class TokenizingMapper extends Mapper<LongWritable, Text, 
Text, IntWritable> {
-        /** Constant value. */
-        private static final IntWritable ONE = new IntWritable(1);
-
-        /** The word converted into the Text. */
-        private Text word = new Text();
-
-        /**
-         * Emits a entry where the key is the word and the value is always 1.
-         *
-         * @param key the current position in the input file (not used here)
-         * @param val the text string
-         * @param ctx mapper context
-         * @throws IOException
-         * @throws InterruptedException
-         */
-        @Override protected void map(LongWritable key, Text val, Context ctx)
-            throws IOException, InterruptedException {
-            // Get the mapped object.
-            final String line = val.toString();
-
-            // Splits the given string to words.
-            final String[] words = line.split("[^a-zA-Z0-9]");
-
-            for (final String w : words) {
-                // Only emit counts for longer words.
-                if (w.length() <= 3)
-                    continue;
-
-                word.set(w);
-
-                // Write the word into the context with the initial count 
equals 1.
-                ctx.write(word, ONE);
-            }
-        }
-    }
-
-    /**
-     * The reducer uses a priority queue to rank the words based on its number 
of occurrences.
-     */
-    private static class TopNWordsReducer extends Reducer<Text, IntWritable, 
Text, IntWritable> {
-        private MinMaxPriorityQueue<Entry<Integer, String>> q;
-
-        TopNWordsReducer() {
-            q = orderedBy(reverseOrder(new Comparator<Entry<Integer, 
String>>() {
-                @Override public int compare(Entry<Integer, String> o1, 
Entry<Integer, String> o2) {
-                    return o1.getKey().compareTo(o2.getKey());
-                }
-            
})).expectedSize(POPULAR_WORDS_CNT).maximumSize(POPULAR_WORDS_CNT).create();
-        }
-
-        /**
-         * This method doesn't emit anything, but just keeps track of the top 
N words.
-         *
-         * @param key The word.
-         * @param vals The words counts.
-         * @param ctx Reducer context.
-         * @throws IOException If failed.
-         * @throws InterruptedException If failed.
-         */
-        @Override public void reduce(Text key, Iterable<IntWritable> vals, 
Context ctx) throws IOException,
-            InterruptedException {
-            int sum = 0;
-
-            for (IntWritable val : vals)
-                sum += val.get();
-
-            q.add(immutableEntry(sum, key.toString()));
-        }
-
-        /**
-         * This method is called after all the word entries have been 
processed. It writes the accumulated
-         * statistics to the job output file.
-         *
-         * @param ctx The job context.
-         * @throws IOException If failed.
-         * @throws InterruptedException If failed.
-         */
-        @Override protected void cleanup(Context ctx) throws IOException, 
InterruptedException {
-            IntWritable i = new IntWritable();
-
-            Text txt = new Text();
-
-            // iterate in desc order
-            while (!q.isEmpty()) {
-                Entry<Integer, String> e = q.removeFirst();
-
-                i.set(e.getKey());
-
-                txt.set(e.getValue());
-
-                ctx.write(txt, i);
-            }
-        }
-    }
-
-    /**
-     * Configures the Hadoop MapReduce job.
-     *
-     * @return Instance of the Hadoop MapRed job.
-     * @throws IOException If failed.
-     */
-    @SuppressWarnings("deprecation")
-    private Job createConfigBasedHadoopJob() throws IOException {
-        Job jobCfg = new Job();
-
-        Configuration cfg = jobCfg.getConfiguration();
-
-        // Use explicit configuration of distributed file system, if provided.
-        cfg.addResource(U.resolveIgniteUrl(DFS_CFG));
-
-        jobCfg.setJobName("HadoopPopularWordExample");
-        jobCfg.setJarByClass(HadoopPopularWordsTest.class);
-        jobCfg.setInputFormatClass(TextInputFormat.class);
-        jobCfg.setOutputKeyClass(Text.class);
-        jobCfg.setOutputValueClass(IntWritable.class);
-        jobCfg.setMapperClass(TokenizingMapper.class);
-        jobCfg.setReducerClass(TopNWordsReducer.class);
-
-        FileInputFormat.setInputPaths(jobCfg, BOOKS_DFS_DIR);
-        FileOutputFormat.setOutputPath(jobCfg, RESULT_DFS_DIR);
-
-        // Local job tracker allows the only task per wave, but text input 
format
-        // replaces it with the calculated value based on input split size 
option.
-        if ("local".equals(cfg.get("mapred.job.tracker", "local"))) {
-            // Split job into tasks using 32MB split size.
-            FileInputFormat.setMinInputSplitSize(jobCfg, 32 * 1024 * 1024);
-            FileInputFormat.setMaxInputSplitSize(jobCfg, Long.MAX_VALUE);
-        }
-
-        return jobCfg;
-    }
-
-    /**
-     * Runs the Hadoop job.
-     *
-     * @return {@code True} if succeeded, {@code false} otherwise.
-     * @throws Exception If failed.
-     */
-    private boolean runWordCountConfigBasedHadoopJob() throws Exception {
-        Job job = createConfigBasedHadoopJob();
-
-        // Distributed file system this job will work with.
-        FileSystem fs = FileSystem.get(job.getConfiguration());
-
-        X.println(">>> Using distributed file system: " + 
fs.getHomeDirectory());
-
-        // Prepare input and output job directories.
-        prepareDirectories(fs);
-
-        long time = System.currentTimeMillis();
-
-        // Run job.
-        boolean res = job.waitForCompletion(true);
-
-        X.println(">>> Job execution time: " + (System.currentTimeMillis() - 
time) / 1000 + " sec.");
-
-        // Move job results into local file system, so you can view calculated 
results.
-        publishResults(fs);
-
-        return res;
-    }
-
-    /**
-     * Prepare job's data: cleanup result directories that might have left over
-     * after previous runs, copy input files from the local file system into 
DFS.
-     *
-     * @param fs Distributed file system to use in job.
-     * @throws IOException If failed.
-     */
-    private void prepareDirectories(FileSystem fs) throws IOException {
-        X.println(">>> Cleaning up DFS result directory: " + RESULT_DFS_DIR);
-
-        fs.delete(RESULT_DFS_DIR, true);
-
-        X.println(">>> Cleaning up DFS input directory: " + BOOKS_DFS_DIR);
-
-        fs.delete(BOOKS_DFS_DIR, true);
-
-        X.println(">>> Copy local files into DFS input directory: " + 
BOOKS_DFS_DIR);
-
-        fs.copyFromLocalFile(BOOKS_LOCAL_DIR, BOOKS_DFS_DIR);
-    }
-
-    /**
-     * Publish job execution results into local file system, so you can view 
them.
-     *
-     * @param fs Distributed file sytem used in job.
-     * @throws IOException If failed.
-     */
-    private void publishResults(FileSystem fs) throws IOException {
-        X.println(">>> Cleaning up DFS input directory: " + BOOKS_DFS_DIR);
-
-        fs.delete(BOOKS_DFS_DIR, true);
-
-        X.println(">>> Cleaning up LOCAL result directory: " + 
RESULT_LOCAL_DIR);
-
-        fs.delete(RESULT_LOCAL_DIR, true);
-
-        X.println(">>> Moving job results into LOCAL result directory: " + 
RESULT_LOCAL_DIR);
-
-        fs.copyToLocalFile(true, RESULT_DFS_DIR, RESULT_LOCAL_DIR);
-    }
-
-    /**
-     * Executes a modified version of the Hadoop word count example. Here, in 
addition to counting the number of
-     * occurrences of the word in the source files, the N most popular words 
are selected.
-     *
-     * @param args None.
-     */
-    public static void main(String[] args) {
-        try {
-            new HadoopPopularWordsTest().runWordCountConfigBasedHadoopJob();
-        }
-        catch (Exception e) {
-            X.println(">>> Failed to run word count example: " + 
e.getMessage());
-        }
-
-        System.exit(0);
-    }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/ignite/blob/11b00873/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopSerializationWrapperSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopSerializationWrapperSelfTest.java
 
b/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopSerializationWrapperSelfTest.java
deleted file mode 100644
index 789a6b3..0000000
--- 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopSerializationWrapperSelfTest.java
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.ignite.internal.processors.hadoop;
-
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.DataInput;
-import java.io.DataInputStream;
-import java.io.DataOutput;
-import java.io.DataOutputStream;
-import java.util.Arrays;
-import org.apache.hadoop.io.IntWritable;
-import org.apache.hadoop.io.serializer.JavaSerialization;
-import org.apache.hadoop.io.serializer.WritableSerialization;
-import 
org.apache.ignite.internal.processors.hadoop.v2.HadoopSerializationWrapper;
-import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest;
-
-/**
- * Test of wrapper of the native serialization.
- */
-public class HadoopSerializationWrapperSelfTest extends GridCommonAbstractTest 
{
-    /**
-     * Tests read/write of IntWritable via native WritableSerialization.
-     * @throws Exception If fails.
-     */
-    public void testIntWritableSerialization() throws Exception {
-        HadoopSerialization ser = new HadoopSerializationWrapper(new 
WritableSerialization(), IntWritable.class);
-
-        ByteArrayOutputStream buf = new ByteArrayOutputStream();
-
-        DataOutput out = new DataOutputStream(buf);
-
-        ser.write(out, new IntWritable(3));
-        ser.write(out, new IntWritable(-5));
-
-        assertEquals("[0, 0, 0, 3, -1, -1, -1, -5]", 
Arrays.toString(buf.toByteArray()));
-
-        DataInput in = new DataInputStream(new 
ByteArrayInputStream(buf.toByteArray()));
-
-        assertEquals(3, ((IntWritable)ser.read(in, null)).get());
-        assertEquals(-5, ((IntWritable)ser.read(in, null)).get());
-    }
-
-    /**
-     * Tests read/write of Integer via native JavaleSerialization.
-     * @throws Exception If fails.
-     */
-    public void testIntJavaSerialization() throws Exception {
-        HadoopSerialization ser = new HadoopSerializationWrapper(new 
JavaSerialization(), Integer.class);
-
-        ByteArrayOutputStream buf = new ByteArrayOutputStream();
-
-        DataOutput out = new DataOutputStream(buf);
-
-        ser.write(out, 3);
-        ser.write(out, -5);
-        ser.close();
-
-        DataInput in = new DataInputStream(new 
ByteArrayInputStream(buf.toByteArray()));
-
-        assertEquals(3, ((Integer)ser.read(in, null)).intValue());
-        assertEquals(-5, ((Integer)ser.read(in, null)).intValue());
-    }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/ignite/blob/11b00873/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopSharedMap.java
----------------------------------------------------------------------
diff --git 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopSharedMap.java
 
b/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopSharedMap.java
deleted file mode 100644
index 7552028..0000000
--- 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopSharedMap.java
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.ignite.internal.processors.hadoop;
-
-import java.util.concurrent.ConcurrentMap;
-import org.jsr166.ConcurrentHashMap8;
-
-/**
- * For tests.
- */
-public class HadoopSharedMap {
-    /** */
-    private static final ConcurrentMap<String, HadoopSharedMap> maps = new 
ConcurrentHashMap8<>();
-
-    /** */
-    private final ConcurrentMap<String, Object> map = new 
ConcurrentHashMap8<>();
-
-    /**
-     * Private.
-     */
-    private HadoopSharedMap() {
-        // No-op.
-    }
-
-    /**
-     * Puts object by key.
-     *
-     * @param key Key.
-     * @param val Value.
-     */
-    public <T> T put(String key, T val) {
-        Object old = map.putIfAbsent(key, val);
-
-        return old == null ? val : (T)old;
-    }
-
-    /**
-     * @param cls Class.
-     * @return Map of static fields.
-     */
-    public static HadoopSharedMap map(Class<?> cls) {
-        HadoopSharedMap m = maps.get(cls.getName());
-
-        if (m != null)
-            return m;
-
-        HadoopSharedMap old = maps.putIfAbsent(cls.getName(), m = new 
HadoopSharedMap());
-
-        return old == null ? m : old;
-    }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/ignite/blob/11b00873/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopSnappyFullMapReduceTest.java
----------------------------------------------------------------------
diff --git 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopSnappyFullMapReduceTest.java
 
b/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopSnappyFullMapReduceTest.java
deleted file mode 100644
index 27a5fcd..0000000
--- 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopSnappyFullMapReduceTest.java
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.ignite.internal.processors.hadoop;
-
-/**
- * Same test as HadoopMapReduceTest, but with enabled Snappy output 
compression.
- */
-public class HadoopSnappyFullMapReduceTest extends HadoopMapReduceTest {
-    /** {@inheritDoc} */
-    @Override protected boolean compressOutputSnappy() {
-        return true;
-    }
-
-    /** {@inheritDoc} */
-    @Override protected boolean[][] getApiModes() {
-        return new boolean[][] {
-            { false, false, true },
-            { true, true, true },
-        };
-    }
-}

http://git-wip-us.apache.org/repos/asf/ignite/blob/11b00873/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopSnappyTest.java
----------------------------------------------------------------------
diff --git 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopSnappyTest.java
 
b/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopSnappyTest.java
deleted file mode 100644
index 656ba66..0000000
--- 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopSnappyTest.java
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.ignite.internal.processors.hadoop;
-
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.util.Arrays;
-import java.util.concurrent.ThreadLocalRandom;
-
-import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.io.compress.CompressionInputStream;
-import org.apache.hadoop.io.compress.CompressionOutputStream;
-import org.apache.hadoop.io.compress.SnappyCodec;
-import org.apache.hadoop.io.compress.snappy.SnappyCompressor;
-import org.apache.hadoop.util.NativeCodeLoader;
-import org.apache.ignite.internal.util.typedef.internal.U;
-import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest;
-
-/**
- * Tests isolated Hadoop Snappy codec usage.
- */
-public class HadoopSnappyTest extends GridCommonAbstractTest {
-    /** Length of data. */
-    private static final int BYTE_SIZE = 1024 * 50;
-
-    /**
-     * Checks Snappy codec usage.
-     *
-     * @throws Exception On error.
-     */
-    public void testSnappy() throws Throwable {
-        // Run Snappy test in default class loader:
-        checkSnappy();
-
-        // Run the same in several more class loaders simulating jobs and 
tasks:
-        for (int i = 0; i < 2; i++) {
-            ClassLoader hadoopClsLdr = new HadoopClassLoader(null, "cl-" + i, 
null, new HadoopHelperImpl());
-
-            Class<?> cls = 
(Class)Class.forName(HadoopSnappyTest.class.getName(), true, hadoopClsLdr);
-
-            assertEquals(hadoopClsLdr, cls.getClassLoader());
-
-            U.invoke(cls, null, "checkSnappy");
-        }
-    }
-
-    /**
-     * Internal check routine.
-     *
-     * @throws Throwable If failed.
-     */
-    public static void checkSnappy() throws Throwable {
-        try {
-            byte[] expBytes = new byte[BYTE_SIZE];
-            byte[] actualBytes = new byte[BYTE_SIZE];
-
-            for (int i = 0; i < expBytes.length ; i++)
-                expBytes[i] = (byte)ThreadLocalRandom.current().nextInt(16);
-
-            SnappyCodec codec = new SnappyCodec();
-
-            codec.setConf(new Configuration());
-
-            ByteArrayOutputStream baos = new ByteArrayOutputStream();
-
-            try (CompressionOutputStream cos = codec.createOutputStream(baos)) 
{
-                cos.write(expBytes);
-                cos.flush();
-            }
-
-            try (CompressionInputStream cis = codec.createInputStream(new 
ByteArrayInputStream(baos.toByteArray()))) {
-                int read = cis.read(actualBytes, 0, actualBytes.length);
-
-                assert read == actualBytes.length;
-            }
-
-            assert Arrays.equals(expBytes, actualBytes);
-        }
-        catch (Throwable e) {
-            System.out.println("Snappy check failed:");
-            System.out.println("### NativeCodeLoader.isNativeCodeLoaded:  " + 
NativeCodeLoader.isNativeCodeLoaded());
-            System.out.println("### SnappyCompressor.isNativeCodeLoaded:  " + 
SnappyCompressor.isNativeCodeLoaded());
-
-            throw e;
-        }
-    }
-}

http://git-wip-us.apache.org/repos/asf/ignite/blob/11b00873/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopSortingExternalTest.java
----------------------------------------------------------------------
diff --git 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopSortingExternalTest.java
 
b/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopSortingExternalTest.java
deleted file mode 100644
index dff5e70..0000000
--- 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopSortingExternalTest.java
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.ignite.internal.processors.hadoop;
-
-import org.apache.ignite.configuration.HadoopConfiguration;
-import org.apache.ignite.configuration.IgniteConfiguration;
-import org.apache.ignite.marshaller.jdk.JdkMarshaller;
-
-/**
- * External test for sorting.
- */
-public class HadoopSortingExternalTest extends HadoopSortingTest {
-    /** {@inheritDoc} */
-    @Override public HadoopConfiguration hadoopConfiguration(String gridName) {
-        HadoopConfiguration cfg = super.hadoopConfiguration(gridName);
-
-        // TODO: IGNITE-404: Uncomment when fixed.
-        //cfg.setExternalExecution(true);
-
-        return cfg;
-    }
-
-    /** {@inheritDoc} */
-    @Override protected IgniteConfiguration getConfiguration(String gridName) 
throws Exception {
-        IgniteConfiguration cfg = super.getConfiguration(gridName);
-
-        cfg.setMarshaller(new JdkMarshaller());
-
-        return cfg;
-    }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/ignite/blob/11b00873/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopSortingTest.java
----------------------------------------------------------------------
diff --git 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopSortingTest.java
 
b/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopSortingTest.java
deleted file mode 100644
index 20f5eef..0000000
--- 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopSortingTest.java
+++ /dev/null
@@ -1,303 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.ignite.internal.processors.hadoop;
-
-import java.io.DataInput;
-import java.io.DataOutput;
-import java.io.IOException;
-import java.net.URI;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Scanner;
-import java.util.UUID;
-import org.apache.hadoop.fs.AbstractFileSystem;
-import org.apache.hadoop.fs.CommonConfigurationKeys;
-import org.apache.hadoop.fs.FSDataInputStream;
-import org.apache.hadoop.fs.FileStatus;
-import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.io.LongWritable;
-import org.apache.hadoop.io.NullWritable;
-import org.apache.hadoop.io.Text;
-import org.apache.hadoop.io.Writable;
-import org.apache.hadoop.io.serializer.JavaSerialization;
-import org.apache.hadoop.io.serializer.JavaSerializationComparator;
-import org.apache.hadoop.io.serializer.WritableSerialization;
-import org.apache.hadoop.mapreduce.InputFormat;
-import org.apache.hadoop.mapreduce.InputSplit;
-import org.apache.hadoop.mapreduce.Job;
-import org.apache.hadoop.mapreduce.JobContext;
-import org.apache.hadoop.mapreduce.Mapper;
-import org.apache.hadoop.mapreduce.RecordReader;
-import org.apache.hadoop.mapreduce.Reducer;
-import org.apache.hadoop.mapreduce.TaskAttemptContext;
-import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
-import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;
-import org.apache.ignite.configuration.HadoopConfiguration;
-import org.apache.ignite.internal.util.typedef.X;
-
-import static 
org.apache.ignite.internal.processors.hadoop.HadoopUtils.createJobInfo;
-
-/**
- * Tests correct sorting.
- */
-public class HadoopSortingTest extends HadoopAbstractSelfTest {
-    /** */
-    private static final String PATH_INPUT = "/test-in";
-
-    /** */
-    private static final String PATH_OUTPUT = "/test-out";
-
-    /** {@inheritDoc} */
-    @Override protected int gridCount() {
-        return 3;
-    }
-
-    /**
-     * @return {@code True} if IGFS is enabled on Hadoop nodes.
-     */
-    @Override protected boolean igfsEnabled() {
-        return true;
-    }
-
-    /** {@inheritDoc} */
-    @Override protected void beforeTest() throws Exception {
-        startGrids(gridCount());
-    }
-
-    /** {@inheritDoc} */
-    @Override protected void afterTest() throws Exception {
-        stopAllGrids(true);
-    }
-
-    /** {@inheritDoc} */
-    @Override public HadoopConfiguration hadoopConfiguration(String gridName) {
-        HadoopConfiguration cfg = super.hadoopConfiguration(gridName);
-
-        // TODO: IGNITE-404: Uncomment when fixed.
-        //cfg.setExternalExecution(false);
-
-        return cfg;
-    }
-
-    /**
-     * @throws Exception If failed.
-     */
-    public void testSortSimple() throws Exception {
-        // Generate test data.
-        Job job = Job.getInstance();
-
-        job.setInputFormatClass(InFormat.class);
-
-        job.setOutputKeyClass(Text.class);
-        job.setOutputValueClass(NullWritable.class);
-
-        job.setMapperClass(Mapper.class);
-        job.setNumReduceTasks(0);
-
-        setupFileSystems(job.getConfiguration());
-
-        FileOutputFormat.setOutputPath(job, new Path(igfsScheme() + 
PATH_INPUT));
-
-        X.printerrln("Data generation started.");
-
-        grid(0).hadoop().submit(new HadoopJobId(UUID.randomUUID(), 1),
-            createJobInfo(job.getConfiguration())).get(180000);
-
-        X.printerrln("Data generation complete.");
-
-        // Run main map-reduce job.
-        job = Job.getInstance();
-
-        setupFileSystems(job.getConfiguration());
-
-        
job.getConfiguration().set(CommonConfigurationKeys.IO_SERIALIZATIONS_KEY, 
JavaSerialization.class.getName() +
-            "," + WritableSerialization.class.getName());
-
-        FileInputFormat.setInputPaths(job, new Path(igfsScheme() + 
PATH_INPUT));
-        FileOutputFormat.setOutputPath(job, new Path(igfsScheme() + 
PATH_OUTPUT));
-
-        job.setSortComparatorClass(JavaSerializationComparator.class);
-
-        job.setMapperClass(MyMapper.class);
-        job.setReducerClass(MyReducer.class);
-
-        job.setNumReduceTasks(2);
-
-        job.setMapOutputKeyClass(UUID.class);
-        job.setMapOutputValueClass(NullWritable.class);
-
-        job.setOutputKeyClass(Text.class);
-        job.setOutputValueClass(NullWritable.class);
-
-        X.printerrln("Job started.");
-
-        grid(0).hadoop().submit(new HadoopJobId(UUID.randomUUID(), 2),
-            createJobInfo(job.getConfiguration())).get(180000);
-
-        X.printerrln("Job complete.");
-
-        // Check result.
-        Path outDir = new Path(igfsScheme() + PATH_OUTPUT);
-
-        AbstractFileSystem fs = AbstractFileSystem.get(new URI(igfsScheme()), 
job.getConfiguration());
-
-        for (FileStatus file : fs.listStatus(outDir)) {
-            X.printerrln("__ file: " + file);
-
-            if (file.getLen() == 0)
-                continue;
-
-            FSDataInputStream in = fs.open(file.getPath());
-
-            Scanner sc = new Scanner(in);
-
-            UUID prev = null;
-
-            while(sc.hasNextLine()) {
-                UUID next = UUID.fromString(sc.nextLine());
-
-//                X.printerrln("___ check: " + next);
-
-                if (prev != null)
-                    assertTrue(prev.compareTo(next) < 0);
-
-                prev = next;
-            }
-        }
-    }
-
-    public static class InFormat extends InputFormat<Text, NullWritable> {
-        /** {@inheritDoc} */
-        @Override public List<InputSplit> getSplits(JobContext ctx) throws 
IOException, InterruptedException {
-            List<InputSplit> res = new ArrayList<>();
-
-            FakeSplit split = new FakeSplit(20);
-
-            for (int i = 0; i < 10; i++)
-                res.add(split);
-
-            return res;
-        }
-
-        /** {@inheritDoc} */
-        @Override public RecordReader<Text, NullWritable> 
createRecordReader(final InputSplit split,
-            TaskAttemptContext ctx) throws IOException, InterruptedException {
-            return new RecordReader<Text, NullWritable>() {
-                /** */
-                int cnt;
-
-                /** */
-                Text txt = new Text();
-
-                @Override public void initialize(InputSplit split, 
TaskAttemptContext ctx) {
-                    // No-op.
-                }
-
-                @Override public boolean nextKeyValue() throws IOException, 
InterruptedException {
-                    return ++cnt <= split.getLength();
-                }
-
-                @Override public Text getCurrentKey() {
-                    txt.set(UUID.randomUUID().toString());
-
-//                    X.printerrln("___ read: " + txt);
-
-                    return txt;
-                }
-
-                @Override public NullWritable getCurrentValue() {
-                    return NullWritable.get();
-                }
-
-                @Override public float getProgress() throws IOException, 
InterruptedException {
-                    return (float)cnt / split.getLength();
-                }
-
-                @Override public void close() {
-                    // No-op.
-                }
-            };
-        }
-    }
-
-    public static class MyMapper extends Mapper<LongWritable, Text, UUID, 
NullWritable> {
-        /** {@inheritDoc} */
-        @Override protected void map(LongWritable key, Text val, Context ctx) 
throws IOException, InterruptedException {
-//            X.printerrln("___ map: " + val);
-
-            ctx.write(UUID.fromString(val.toString()), NullWritable.get());
-        }
-    }
-
-    public static class MyReducer extends Reducer<UUID, NullWritable, Text, 
NullWritable> {
-        /** */
-        private Text text = new Text();
-
-        /** {@inheritDoc} */
-        @Override protected void reduce(UUID key, Iterable<NullWritable> vals, 
Context ctx)
-            throws IOException, InterruptedException {
-//            X.printerrln("___ rdc: " + key);
-
-            text.set(key.toString());
-
-            ctx.write(text, NullWritable.get());
-        }
-    }
-
-    public static class FakeSplit extends InputSplit implements Writable {
-        /** */
-        private static final String[] HOSTS = {"127.0.0.1"};
-
-        /** */
-        private int len;
-
-        /**
-         * @param len Length.
-         */
-        public FakeSplit(int len) {
-            this.len = len;
-        }
-
-        /**
-         *
-         */
-        public FakeSplit() {
-            // No-op.
-        }
-
-        /** {@inheritDoc} */
-        @Override public long getLength() throws IOException, 
InterruptedException {
-            return len;
-        }
-
-        /** {@inheritDoc} */
-        @Override public String[] getLocations() throws IOException, 
InterruptedException {
-            return HOSTS;
-        }
-
-        /** {@inheritDoc} */
-        @Override public void write(DataOutput out) throws IOException {
-            out.writeInt(len);
-        }
-
-        /** {@inheritDoc} */
-        @Override public void readFields(DataInput in) throws IOException {
-            len = in.readInt();
-        }
-    }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/ignite/blob/11b00873/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopSplitWrapperSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopSplitWrapperSelfTest.java
 
b/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopSplitWrapperSelfTest.java
deleted file mode 100644
index 11c3907..0000000
--- 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopSplitWrapperSelfTest.java
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.ignite.internal.processors.hadoop;
-
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.ObjectInput;
-import java.io.ObjectInputStream;
-import java.io.ObjectOutput;
-import java.io.ObjectOutputStream;
-import java.util.Arrays;
-import java.util.concurrent.Callable;
-import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.mapreduce.lib.input.FileSplit;
-import org.apache.ignite.internal.processors.hadoop.v2.HadoopSplitWrapper;
-import org.apache.ignite.testframework.GridTestUtils;
-
-/**
- * Self test of {@link 
org.apache.ignite.internal.processors.hadoop.v2.HadoopSplitWrapper}.
- */
-public class HadoopSplitWrapperSelfTest extends HadoopAbstractSelfTest {
-    /**
-     * Tests serialization of wrapper and the wrapped native split.
-     * @throws Exception If fails.
-     */
-    public void testSerialization() throws Exception {
-        FileSplit nativeSplit = new FileSplit(new Path("/path/to/file"), 100, 
500, new String[]{"host1", "host2"});
-
-        assertEquals("/path/to/file:100+500", nativeSplit.toString());
-
-        HadoopSplitWrapper split = HadoopUtils.wrapSplit(10, nativeSplit, 
nativeSplit.getLocations());
-
-        assertEquals("[host1, host2]", Arrays.toString(split.hosts()));
-
-        ByteArrayOutputStream buf = new ByteArrayOutputStream();
-
-        ObjectOutput out = new ObjectOutputStream(buf);
-
-        out.writeObject(split);
-
-        ObjectInput in = new ObjectInputStream(new 
ByteArrayInputStream(buf.toByteArray()));
-
-        final HadoopSplitWrapper res = (HadoopSplitWrapper)in.readObject();
-
-        assertEquals("/path/to/file:100+500", 
HadoopUtils.unwrapSplit(res).toString());
-
-        GridTestUtils.assertThrows(log, new Callable<Object>() {
-            @Override public Object call() throws Exception {
-                res.hosts();
-
-                return null;
-            }
-        }, AssertionError.class, null);
-    }
-
-
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/ignite/blob/11b00873/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopStartup.java
----------------------------------------------------------------------
diff --git 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopStartup.java
 
b/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopStartup.java
deleted file mode 100644
index 820a1f3..0000000
--- 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopStartup.java
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.ignite.internal.processors.hadoop;
-
-import org.apache.hadoop.conf.Configuration;
-import org.apache.ignite.hadoop.fs.v2.IgniteHadoopFileSystem;
-import org.apache.ignite.internal.util.typedef.G;
-
-/**
- * Hadoop node startup.
- */
-public class HadoopStartup {
-    /**
-     * @param args Arguments.
-     */
-    public static void main(String[] args) {
-        G.start("config/hadoop/default-config.xml");
-    }
-
-    /**
-     * @return Configuration for job run.
-     */
-    @SuppressWarnings("UnnecessaryFullyQualifiedName")
-    public static Configuration configuration() {
-        Configuration cfg = new Configuration();
-
-        cfg.set("fs.defaultFS", "igfs://igfs@localhost");
-
-        cfg.set("fs.igfs.impl", 
org.apache.ignite.hadoop.fs.v1.IgniteHadoopFileSystem.class.getName());
-        cfg.set("fs.AbstractFileSystem.igfs.impl", 
IgniteHadoopFileSystem.class.getName());
-
-        cfg.set("dfs.client.block.write.replace-datanode-on-failure.policy", 
"NEVER");
-
-        cfg.set("mapreduce.framework.name", "ignite");
-        cfg.set("mapreduce.jobtracker.address", "localhost:11211");
-
-        return cfg;
-    }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/ignite/blob/11b00873/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopTaskExecutionSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopTaskExecutionSelfTest.java
 
b/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopTaskExecutionSelfTest.java
deleted file mode 100644
index 431433e..0000000
--- 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopTaskExecutionSelfTest.java
+++ /dev/null
@@ -1,567 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.ignite.internal.processors.hadoop;
-
-import java.io.IOException;
-import java.io.OutputStream;
-import java.io.OutputStreamWriter;
-import java.io.PrintWriter;
-import java.util.List;
-import java.util.Map;
-import java.util.UUID;
-import java.util.concurrent.Callable;
-import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.atomic.AtomicInteger;
-import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.fs.FileSystem;
-import org.apache.hadoop.fs.LocalFileSystem;
-import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.io.IntWritable;
-import org.apache.hadoop.io.Text;
-import org.apache.hadoop.mapreduce.InputSplit;
-import org.apache.hadoop.mapreduce.Job;
-import org.apache.hadoop.mapreduce.JobContext;
-import org.apache.hadoop.mapreduce.Mapper;
-import org.apache.hadoop.mapreduce.Reducer;
-import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
-import org.apache.hadoop.mapreduce.lib.input.TextInputFormat;
-import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;
-import org.apache.ignite.IgniteCheckedException;
-import org.apache.ignite.IgniteFileSystem;
-import org.apache.ignite.configuration.FileSystemConfiguration;
-import org.apache.ignite.configuration.HadoopConfiguration;
-import org.apache.ignite.hadoop.fs.v1.IgniteHadoopFileSystem;
-import org.apache.ignite.igfs.IgfsPath;
-import org.apache.ignite.internal.IgniteInternalFuture;
-import org.apache.ignite.internal.util.lang.GridAbsPredicate;
-import org.apache.ignite.internal.util.typedef.X;
-import org.apache.ignite.internal.util.typedef.internal.U;
-import org.apache.ignite.testframework.GridTestUtils;
-
-import static 
org.apache.ignite.internal.processors.hadoop.HadoopUtils.createJobInfo;
-
-/**
- * Tests map-reduce task execution basics.
- */
-public class HadoopTaskExecutionSelfTest extends HadoopAbstractSelfTest {
-    /** */
-    private static HadoopSharedMap m = 
HadoopSharedMap.map(HadoopTaskExecutionSelfTest.class);
-
-    /** Line count. */
-    private static final AtomicInteger totalLineCnt = m.put("totalLineCnt", 
new AtomicInteger());
-
-    /** Executed tasks. */
-    private static final AtomicInteger executedTasks = m.put("executedTasks", 
new AtomicInteger());
-
-    /** Cancelled tasks. */
-    private static final AtomicInteger cancelledTasks = 
m.put("cancelledTasks", new AtomicInteger());
-
-    /** Working directory of each task. */
-    private static final Map<String, String> taskWorkDirs = 
m.put("taskWorkDirs",
-        new ConcurrentHashMap<String, String>());
-
-    /** Mapper id to fail. */
-    private static final AtomicInteger failMapperId = m.put("failMapperId", 
new AtomicInteger());
-
-    /** Number of splits of the current input. */
-    private static final AtomicInteger splitsCount = m.put("splitsCount", new 
AtomicInteger());
-
-    /** Test param. */
-    private static final String MAP_WRITE = "test.map.write";
-
-
-    /** {@inheritDoc} */
-    @Override public FileSystemConfiguration igfsConfiguration() throws 
Exception {
-        FileSystemConfiguration cfg = super.igfsConfiguration();
-
-        cfg.setFragmentizerEnabled(false);
-
-        return cfg;
-    }
-
-    /** {@inheritDoc} */
-    @Override protected boolean igfsEnabled() {
-        return true;
-    }
-
-    /** {@inheritDoc} */
-    @Override protected void beforeTestsStarted() throws Exception {
-        super.beforeTestsStarted();
-
-        startGrids(gridCount());
-    }
-
-    /** {@inheritDoc} */
-    @Override protected void afterTestsStopped() throws Exception {
-        stopAllGrids();
-
-        super.afterTestsStopped();
-    }
-
-    /** {@inheritDoc} */
-    @Override protected void beforeTest() throws Exception {
-        grid(0).fileSystem(igfsName).format();
-    }
-
-    /** {@inheritDoc} */
-    @Override public HadoopConfiguration hadoopConfiguration(String gridName) {
-        HadoopConfiguration cfg = super.hadoopConfiguration(gridName);
-
-        cfg.setMaxParallelTasks(5);
-
-        // TODO: IGNITE-404: Uncomment when fixed.
-        //cfg.setExternalExecution(false);
-
-        return cfg;
-    }
-
-    /**
-     * @throws Exception If failed.
-     */
-    public void testMapRun() throws Exception {
-        int lineCnt = 10000;
-        String fileName = "/testFile";
-
-        prepareFile(fileName, lineCnt);
-
-        totalLineCnt.set(0);
-        taskWorkDirs.clear();
-
-        Configuration cfg = new Configuration();
-
-        cfg.setStrings("fs.igfs.impl", IgniteHadoopFileSystem.class.getName());
-
-        Job job = Job.getInstance(cfg);
-        job.setOutputKeyClass(Text.class);
-        job.setOutputValueClass(IntWritable.class);
-
-        job.setMapperClass(TestMapper.class);
-
-        job.setNumReduceTasks(0);
-
-        job.setInputFormatClass(TextInputFormat.class);
-
-        FileInputFormat.setInputPaths(job, new Path("igfs://:" + 
getTestGridName(0) + "@/"));
-        FileOutputFormat.setOutputPath(job, new Path("igfs://:" + 
getTestGridName(0) + "@/output/"));
-
-        job.setJarByClass(getClass());
-
-        IgniteInternalFuture<?> fut = grid(0).hadoop().submit(new 
HadoopJobId(UUID.randomUUID(), 1),
-                createJobInfo(job.getConfiguration()));
-
-        fut.get();
-
-        assertEquals(lineCnt, totalLineCnt.get());
-
-        assertEquals(32, taskWorkDirs.size());
-    }
-
-    /**
-     * @throws Exception If failed.
-     */
-    public void testMapCombineRun() throws Exception {
-        int lineCnt = 10001;
-        String fileName = "/testFile";
-
-        prepareFile(fileName, lineCnt);
-
-        totalLineCnt.set(0);
-        taskWorkDirs.clear();
-
-        Configuration cfg = new Configuration();
-
-        cfg.setStrings("fs.igfs.impl", IgniteHadoopFileSystem.class.getName());
-        cfg.setBoolean(MAP_WRITE, true);
-
-        Job job = Job.getInstance(cfg);
-        job.setOutputKeyClass(Text.class);
-        job.setOutputValueClass(IntWritable.class);
-
-        job.setMapperClass(TestMapper.class);
-        job.setCombinerClass(TestCombiner.class);
-        job.setReducerClass(TestReducer.class);
-
-        job.setNumReduceTasks(2);
-
-        job.setInputFormatClass(TextInputFormat.class);
-
-        FileInputFormat.setInputPaths(job, new Path("igfs://:" + 
getTestGridName(0) + "@/"));
-        FileOutputFormat.setOutputPath(job, new Path("igfs://:" + 
getTestGridName(0) + "@/output"));
-
-        job.setJarByClass(getClass());
-
-        HadoopJobId jobId = new HadoopJobId(UUID.randomUUID(), 2);
-
-        IgniteInternalFuture<?> fut = grid(0).hadoop().submit(jobId, 
createJobInfo(job.getConfiguration()));
-
-        fut.get();
-
-        assertEquals(lineCnt, totalLineCnt.get());
-
-        assertEquals(34, taskWorkDirs.size());
-
-        for (int g = 0; g < gridCount(); g++)
-            grid(g).hadoop().finishFuture(jobId).get();
-    }
-
-    /**
-     * @throws Exception If failed.
-     */
-    public void testMapperException() throws Exception {
-        prepareFile("/testFile", 1000);
-
-        Configuration cfg = new Configuration();
-
-        cfg.setStrings("fs.igfs.impl", IgniteHadoopFileSystem.class.getName());
-
-        Job job = Job.getInstance(cfg);
-        job.setOutputKeyClass(Text.class);
-        job.setOutputValueClass(IntWritable.class);
-
-        job.setMapperClass(FailMapper.class);
-
-        job.setNumReduceTasks(0);
-
-        job.setInputFormatClass(TextInputFormat.class);
-
-        FileInputFormat.setInputPaths(job, new Path("igfs://:" + 
getTestGridName(0) + "@/"));
-        FileOutputFormat.setOutputPath(job, new Path("igfs://:" + 
getTestGridName(0) + "@/output/"));
-
-        job.setJarByClass(getClass());
-
-        final IgniteInternalFuture<?> fut = grid(0).hadoop().submit(new 
HadoopJobId(UUID.randomUUID(), 3),
-                createJobInfo(job.getConfiguration()));
-
-        GridTestUtils.assertThrows(log, new Callable<Object>() {
-            @Override public Object call() throws Exception {
-                fut.get();
-
-                return null;
-            }
-        }, IgniteCheckedException.class, null);
-    }
-
-    /**
-     * @param fileName File name.
-     * @param lineCnt Line count.
-     * @throws Exception If failed.
-     */
-    private void prepareFile(String fileName, int lineCnt) throws Exception {
-        IgniteFileSystem igfs = grid(0).fileSystem(igfsName);
-
-        try (OutputStream os = igfs.create(new IgfsPath(fileName), true)) {
-            PrintWriter w = new PrintWriter(new OutputStreamWriter(os));
-
-            for (int i = 0; i < lineCnt; i++)
-                w.print("Hello, Hadoop map-reduce!\n");
-
-            w.flush();
-        }
-    }
-
-    /**
-     * Prepare job with mappers to cancel.
-     * @return Fully configured job.
-     * @throws Exception If fails.
-     */
-    private Configuration prepareJobForCancelling() throws Exception {
-        prepareFile("/testFile", 1500);
-
-        executedTasks.set(0);
-        cancelledTasks.set(0);
-        failMapperId.set(0);
-        splitsCount.set(0);
-
-        Configuration cfg = new Configuration();
-
-        setupFileSystems(cfg);
-
-        Job job = Job.getInstance(cfg);
-        job.setOutputKeyClass(Text.class);
-        job.setOutputValueClass(IntWritable.class);
-
-        job.setMapperClass(CancellingTestMapper.class);
-
-        job.setNumReduceTasks(0);
-
-        job.setInputFormatClass(InFormat.class);
-
-        FileInputFormat.setInputPaths(job, new Path("igfs://:" + 
getTestGridName(0) + "@/"));
-        FileOutputFormat.setOutputPath(job, new Path("igfs://:" + 
getTestGridName(0) + "@/output/"));
-
-        job.setJarByClass(getClass());
-
-        return job.getConfiguration();
-    }
-
-    /**
-     * Test input format.
-     */
-    private static class InFormat extends TextInputFormat {
-        @Override public List<InputSplit> getSplits(JobContext ctx) throws 
IOException {
-            List<InputSplit> res = super.getSplits(ctx);
-
-            splitsCount.set(res.size());
-
-            X.println("___ split of input: " + splitsCount.get());
-
-            return res;
-        }
-    }
-
-    /**
-     * @throws Exception If failed.
-     */
-    public void testTaskCancelling() throws Exception {
-        Configuration cfg = prepareJobForCancelling();
-
-        HadoopJobId jobId = new HadoopJobId(UUID.randomUUID(), 1);
-
-        final IgniteInternalFuture<?> fut = grid(0).hadoop().submit(jobId, 
createJobInfo(cfg));
-
-        if (!GridTestUtils.waitForCondition(new GridAbsPredicate() {
-            @Override public boolean apply() {
-                return splitsCount.get() > 0;
-            }
-        }, 20000)) {
-            U.dumpThreads(log);
-
-            assertTrue(false);
-        }
-
-        if (!GridTestUtils.waitForCondition(new GridAbsPredicate() {
-            @Override public boolean apply() {
-                return executedTasks.get() == splitsCount.get();
-            }
-        }, 20000)) {
-            U.dumpThreads(log);
-
-            assertTrue(false);
-        }
-
-        // Fail mapper with id "1", cancels others
-        failMapperId.set(1);
-
-        GridTestUtils.assertThrows(log, new Callable<Object>() {
-            @Override public Object call() throws Exception {
-                fut.get();
-
-                return null;
-            }
-        }, IgniteCheckedException.class, null);
-
-        assertEquals(executedTasks.get(), cancelledTasks.get() + 1);
-    }
-
-    /**
-     * @throws Exception If failed.
-     */
-    public void testJobKill() throws Exception {
-        Configuration cfg = prepareJobForCancelling();
-
-        Hadoop hadoop = grid(0).hadoop();
-
-        HadoopJobId jobId = new HadoopJobId(UUID.randomUUID(), 1);
-
-        //Kill unknown job.
-        boolean killRes = hadoop.kill(jobId);
-
-        assertFalse(killRes);
-
-        final IgniteInternalFuture<?> fut = hadoop.submit(jobId, 
createJobInfo(cfg));
-
-        if (!GridTestUtils.waitForCondition(new GridAbsPredicate() {
-            @Override public boolean apply() {
-                return splitsCount.get() > 0;
-            }
-        }, 20000)) {
-            U.dumpThreads(log);
-
-            assertTrue(false);
-        }
-
-        if (!GridTestUtils.waitForCondition(new GridAbsPredicate() {
-            @Override public boolean apply() {
-                X.println("___ executed tasks: " + executedTasks.get());
-
-                return executedTasks.get() == splitsCount.get();
-            }
-        }, 20000)) {
-            U.dumpThreads(log);
-
-            fail();
-        }
-
-        //Kill really ran job.
-        killRes = hadoop.kill(jobId);
-
-        assertTrue(killRes);
-
-        GridTestUtils.assertThrows(log, new Callable<Object>() {
-            @Override public Object call() throws Exception {
-                fut.get();
-
-                return null;
-            }
-        }, IgniteCheckedException.class, null);
-
-        assertEquals(executedTasks.get(), cancelledTasks.get());
-
-        //Kill the same job again.
-        killRes = hadoop.kill(jobId);
-
-        assertFalse(killRes);
-    }
-
-    private static class CancellingTestMapper extends Mapper<Object, Text, 
Text, IntWritable> {
-        private int mapperId;
-
-        /** {@inheritDoc} */
-        @Override protected void setup(Context ctx) throws IOException, 
InterruptedException {
-            mapperId = executedTasks.incrementAndGet();
-        }
-
-        /** {@inheritDoc} */
-        @Override public void run(Context ctx) throws IOException, 
InterruptedException {
-            try {
-                super.run(ctx);
-            }
-            catch (HadoopTaskCancelledException e) {
-                cancelledTasks.incrementAndGet();
-
-                throw e;
-            }
-        }
-
-        /** {@inheritDoc} */
-        @Override protected void map(Object key, Text val, Context ctx) throws 
IOException, InterruptedException {
-            if (mapperId == failMapperId.get())
-                throw new IOException();
-
-            Thread.sleep(1000);
-        }
-    }
-
-    /**
-     * Test failing mapper.
-     */
-    private static class FailMapper extends Mapper<Object, Text, Text, 
IntWritable> {
-        /** {@inheritDoc} */
-        @Override protected void map(Object key, Text val, Context ctx) throws 
IOException, InterruptedException {
-            throw new IOException("Expected");
-        }
-    }
-
-    /**
-     * Mapper calculates number of lines.
-     */
-    private static class TestMapper extends Mapper<Object, Text, Text, 
IntWritable> {
-        /** Writable integer constant of '1'. */
-        private static final IntWritable ONE = new IntWritable(1);
-
-        /** Line count constant. */
-        public static final Text LINE_COUNT = new Text("lineCount");
-
-        /** {@inheritDoc} */
-        @Override protected void setup(Context ctx) throws IOException, 
InterruptedException {
-            X.println("___ Mapper: " + ctx.getTaskAttemptID());
-
-            String taskId = ctx.getTaskAttemptID().toString();
-
-            LocalFileSystem locFs = 
FileSystem.getLocal(ctx.getConfiguration());
-
-            String workDir = locFs.getWorkingDirectory().toString();
-
-            assertNull(taskWorkDirs.put(workDir, taskId));
-        }
-
-        /** {@inheritDoc} */
-        @Override protected void map(Object key, Text val, Context ctx) throws 
IOException, InterruptedException {
-            if (ctx.getConfiguration().getBoolean(MAP_WRITE, false))
-                ctx.write(LINE_COUNT, ONE);
-            else
-                totalLineCnt.incrementAndGet();
-        }
-    }
-
-    /**
-     * Combiner calculates number of lines.
-     */
-    private static class TestCombiner extends Reducer<Text, IntWritable, Text, 
IntWritable> {
-        /** */
-        IntWritable sum = new IntWritable();
-
-        /** {@inheritDoc} */
-        @Override protected void setup(Context ctx) throws IOException, 
InterruptedException {
-            X.println("___ Combiner: ");
-        }
-
-        /** {@inheritDoc} */
-        @Override protected void reduce(Text key, Iterable<IntWritable> 
values, Context ctx) throws IOException,
-            InterruptedException {
-            int lineCnt = 0;
-
-            for (IntWritable value : values)
-                lineCnt += value.get();
-
-            sum.set(lineCnt);
-
-            X.println("___ combo: " + lineCnt);
-
-            ctx.write(key, sum);
-        }
-    }
-
-    /**
-     * Combiner calculates number of lines.
-     */
-    private static class TestReducer extends Reducer<Text, IntWritable, Text, 
IntWritable> {
-        /** */
-        IntWritable sum = new IntWritable();
-
-        /** {@inheritDoc} */
-        @Override protected void setup(Context ctx) throws IOException, 
InterruptedException {
-            X.println("___ Reducer: " + ctx.getTaskAttemptID());
-
-            String taskId = ctx.getTaskAttemptID().toString();
-            String workDir = 
FileSystem.getLocal(ctx.getConfiguration()).getWorkingDirectory().toString();
-
-            assertNull(taskWorkDirs.put(workDir, taskId));
-        }
-
-        /** {@inheritDoc} */
-        @Override protected void reduce(Text key, Iterable<IntWritable> 
values, Context ctx) throws IOException,
-            InterruptedException {
-            int lineCnt = 0;
-
-            for (IntWritable value : values) {
-                lineCnt += value.get();
-
-                X.println("___ rdcr: " + value.get());
-            }
-
-            sum.set(lineCnt);
-
-            ctx.write(key, sum);
-
-            X.println("___ RDCR SUM: " + lineCnt);
-
-            totalLineCnt.addAndGet(lineCnt);
-        }
-    }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/ignite/blob/11b00873/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopTasksAllVersionsTest.java
----------------------------------------------------------------------
diff --git 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopTasksAllVersionsTest.java
 
b/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopTasksAllVersionsTest.java
deleted file mode 100644
index 7c6d244..0000000
--- 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopTasksAllVersionsTest.java
+++ /dev/null
@@ -1,260 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.ignite.internal.processors.hadoop;
-
-import com.google.common.base.Joiner;
-import java.io.IOException;
-import java.io.PrintWriter;
-import java.net.URI;
-import java.util.ArrayList;
-import java.util.List;
-import org.apache.hadoop.io.IntWritable;
-import org.apache.hadoop.io.Text;
-import org.apache.ignite.IgniteCheckedException;
-import org.apache.ignite.igfs.IgfsPath;
-import org.apache.ignite.internal.processors.hadoop.examples.HadoopWordCount2;
-
-/**
- * Tests of Map, Combine and Reduce task executions of any version of hadoop 
API.
- */
-abstract class HadoopTasksAllVersionsTest extends HadoopAbstractWordCountTest {
-    /** Empty hosts array. */
-    private static final String[] HOSTS = new String[0];
-
-    /**
-     * Creates some grid hadoop job. Override this method to create tests for 
any job implementation.
-     *
-     * @param inFile Input file name for the job.
-     * @param outFile Output file name for the job.
-     * @return Hadoop job.
-     * @throws IOException If fails.
-     */
-    public abstract HadoopJob getHadoopJob(String inFile, String outFile) 
throws Exception;
-
-    /**
-     * @return prefix of reducer output file name. It's "part-" for v1 and 
"part-r-" for v2 API
-     */
-    public abstract String getOutputFileNamePrefix();
-
-    /**
-     * Tests map task execution.
-     *
-     * @throws Exception If fails.
-     */
-    @SuppressWarnings("ConstantConditions")
-    public void testMapTask() throws Exception {
-        IgfsPath inDir = new IgfsPath(PATH_INPUT);
-
-        igfs.mkdirs(inDir);
-
-        IgfsPath inFile = new IgfsPath(inDir, 
HadoopWordCount2.class.getSimpleName() + "-input");
-
-        URI inFileUri = URI.create(igfsScheme() + inFile.toString());
-
-        try (PrintWriter pw = new PrintWriter(igfs.create(inFile, true))) {
-            pw.println("hello0 world0");
-            pw.println("world1 hello1");
-        }
-
-        HadoopFileBlock fileBlock1 = new HadoopFileBlock(HOSTS, inFileUri, 0, 
igfs.info(inFile).length() - 1);
-
-        try (PrintWriter pw = new PrintWriter(igfs.append(inFile, false))) {
-            pw.println("hello2 world2");
-            pw.println("world3 hello3");
-        }
-        HadoopFileBlock fileBlock2 = new HadoopFileBlock(HOSTS, inFileUri, 
fileBlock1.length(),
-                igfs.info(inFile).length() - fileBlock1.length());
-
-        HadoopJob gridJob = getHadoopJob(igfsScheme() + inFile.toString(), 
igfsScheme() + PATH_OUTPUT);
-
-        HadoopTaskInfo taskInfo = new HadoopTaskInfo(HadoopTaskType.MAP, 
gridJob.id(), 0, 0, fileBlock1);
-
-        HadoopTestTaskContext ctx = new HadoopTestTaskContext(taskInfo, 
gridJob);
-
-        ctx.mockOutput().clear();
-
-        ctx.run();
-
-        assertEquals("hello0,1; world0,1; world1,1; hello1,1", Joiner.on("; 
").join(ctx.mockOutput()));
-
-        ctx.mockOutput().clear();
-
-        ctx.taskInfo(new HadoopTaskInfo(HadoopTaskType.MAP, gridJob.id(), 0, 
0, fileBlock2));
-
-        ctx.run();
-
-        assertEquals("hello2,1; world2,1; world3,1; hello3,1", Joiner.on("; 
").join(ctx.mockOutput()));
-    }
-
-    /**
-     * Generates input data for reduce-like operation into mock context input 
and runs the operation.
-     *
-     * @param gridJob Job is to create reduce task from.
-     * @param taskType Type of task - combine or reduce.
-     * @param taskNum Number of task in job.
-     * @param words Pairs of words and its counts.
-     * @return Context with mock output.
-     * @throws IgniteCheckedException If fails.
-     */
-    private HadoopTestTaskContext runTaskWithInput(HadoopJob gridJob, 
HadoopTaskType taskType,
-        int taskNum, String... words) throws IgniteCheckedException {
-        HadoopTaskInfo taskInfo = new HadoopTaskInfo(taskType, gridJob.id(), 
taskNum, 0, null);
-
-        HadoopTestTaskContext ctx = new HadoopTestTaskContext(taskInfo, 
gridJob);
-
-        for (int i = 0; i < words.length; i+=2) {
-            List<IntWritable> valList = new ArrayList<>();
-
-            for (int j = 0; j < Integer.parseInt(words[i + 1]); j++)
-                valList.add(new IntWritable(1));
-
-            ctx.mockInput().put(new Text(words[i]), valList);
-        }
-
-        ctx.run();
-
-        return ctx;
-    }
-
-    /**
-     * Tests reduce task execution.
-     *
-     * @throws Exception If fails.
-     */
-    public void testReduceTask() throws Exception {
-        HadoopJob gridJob = getHadoopJob(igfsScheme() + PATH_INPUT, 
igfsScheme() + PATH_OUTPUT);
-
-        runTaskWithInput(gridJob, HadoopTaskType.REDUCE, 0, "word1", "5", 
"word2", "10");
-        runTaskWithInput(gridJob, HadoopTaskType.REDUCE, 1, "word3", "7", 
"word4", "15");
-
-        assertEquals(
-            "word1\t5\n" +
-            "word2\t10\n",
-            readAndSortFile(PATH_OUTPUT + 
"/_temporary/0/task_00000000-0000-0000-0000-000000000000_0000_r_000000/" +
-                getOutputFileNamePrefix() + "00000")
-        );
-
-        assertEquals(
-            "word3\t7\n" +
-            "word4\t15\n",
-            readAndSortFile(PATH_OUTPUT + 
"/_temporary/0/task_00000000-0000-0000-0000-000000000000_0000_r_000001/" +
-                getOutputFileNamePrefix() + "00001")
-        );
-    }
-
-    /**
-     * Tests combine task execution.
-     *
-     * @throws Exception If fails.
-     */
-    public void testCombinerTask() throws Exception {
-        HadoopJob gridJob = getHadoopJob("/", "/");
-
-        HadoopTestTaskContext ctx =
-            runTaskWithInput(gridJob, HadoopTaskType.COMBINE, 0, "word1", "5", 
"word2", "10");
-
-        assertEquals("word1,5; word2,10", Joiner.on("; 
").join(ctx.mockOutput()));
-
-        ctx = runTaskWithInput(gridJob, HadoopTaskType.COMBINE, 1, "word3", 
"7", "word4", "15");
-
-        assertEquals("word3,7; word4,15", Joiner.on("; 
").join(ctx.mockOutput()));
-    }
-
-    /**
-     * Runs chain of map-combine task on file block.
-     *
-     * @param fileBlock block of input file to be processed.
-     * @param gridJob Hadoop job implementation.
-     * @return Context of combine task with mock output.
-     * @throws IgniteCheckedException If fails.
-     */
-    private HadoopTestTaskContext runMapCombineTask(HadoopFileBlock fileBlock, 
HadoopJob gridJob)
-        throws IgniteCheckedException {
-        HadoopTaskInfo taskInfo = new HadoopTaskInfo(HadoopTaskType.MAP, 
gridJob.id(), 0, 0, fileBlock);
-
-        HadoopTestTaskContext mapCtx = new HadoopTestTaskContext(taskInfo, 
gridJob);
-
-        mapCtx.run();
-
-        //Prepare input for combine
-        taskInfo = new HadoopTaskInfo(HadoopTaskType.COMBINE, gridJob.id(), 0, 
0, null);
-
-        HadoopTestTaskContext combineCtx = new HadoopTestTaskContext(taskInfo, 
gridJob);
-
-        combineCtx.makeTreeOfWritables(mapCtx.mockOutput());
-
-        combineCtx.run();
-
-        return combineCtx;
-    }
-
-    /**
-     * Tests all job in complex.
-     * Runs 2 chains of map-combine tasks and sends result into one reduce 
task.
-     *
-     * @throws Exception If fails.
-     */
-    @SuppressWarnings("ConstantConditions")
-    public void testAllTasks() throws Exception {
-        IgfsPath inDir = new IgfsPath(PATH_INPUT);
-
-        igfs.mkdirs(inDir);
-
-        IgfsPath inFile = new IgfsPath(inDir, 
HadoopWordCount2.class.getSimpleName() + "-input");
-
-        URI inFileUri = URI.create(igfsScheme() + inFile.toString());
-
-        generateTestFile(inFile.toString(), "red", 100, "blue", 200, "green", 
150, "yellow", 70);
-
-        //Split file into two blocks
-        long fileLen = igfs.info(inFile).length();
-
-        Long l = fileLen / 2;
-
-        HadoopFileBlock fileBlock1 = new HadoopFileBlock(HOSTS, inFileUri, 0, 
l);
-        HadoopFileBlock fileBlock2 = new HadoopFileBlock(HOSTS, inFileUri, l, 
fileLen - l);
-
-        HadoopJob gridJob = getHadoopJob(inFileUri.toString(), igfsScheme() + 
PATH_OUTPUT);
-
-        HadoopTestTaskContext combine1Ctx = runMapCombineTask(fileBlock1, 
gridJob);
-
-        HadoopTestTaskContext combine2Ctx = runMapCombineTask(fileBlock2, 
gridJob);
-
-        //Prepare input for combine
-        HadoopTaskInfo taskInfo = new HadoopTaskInfo(HadoopTaskType.REDUCE, 
gridJob.id(), 0, 0, null);
-
-        HadoopTestTaskContext reduceCtx = new HadoopTestTaskContext(taskInfo, 
gridJob);
-
-        reduceCtx.makeTreeOfWritables(combine1Ctx.mockOutput());
-        reduceCtx.makeTreeOfWritables(combine2Ctx.mockOutput());
-
-        reduceCtx.run();
-
-        reduceCtx.taskInfo(new HadoopTaskInfo(HadoopTaskType.COMMIT, 
gridJob.id(), 0, 0, null));
-
-        reduceCtx.run();
-
-        assertEquals(
-            "blue\t200\n" +
-            "green\t150\n" +
-            "red\t100\n" +
-            "yellow\t70\n",
-            readAndSortFile(PATH_OUTPUT + "/" + getOutputFileNamePrefix() + 
"00000")
-        );
-    }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/ignite/blob/11b00873/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopTasksV1Test.java
----------------------------------------------------------------------
diff --git 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopTasksV1Test.java
 
b/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopTasksV1Test.java
deleted file mode 100644
index f914467..0000000
--- 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopTasksV1Test.java
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.ignite.internal.processors.hadoop;
-
-import java.io.IOException;
-import java.util.UUID;
-import org.apache.hadoop.mapred.JobConf;
-import org.apache.ignite.internal.processors.hadoop.examples.HadoopWordCount1;
-import org.apache.ignite.internal.processors.hadoop.v2.HadoopV2Job;
-
-import static 
org.apache.ignite.internal.processors.hadoop.HadoopUtils.createJobInfo;
-
-/**
- * Tests of Map, Combine and Reduce task executions via running of job of 
hadoop API v1.
- */
-public class HadoopTasksV1Test extends HadoopTasksAllVersionsTest {
-    /**
-     * Creates WordCount hadoop job for API v1.
-     *
-     * @param inFile Input file name for the job.
-     * @param outFile Output file name for the job.
-     * @return Hadoop job.
-     * @throws IOException If fails.
-     */
-    @Override public HadoopJob getHadoopJob(String inFile, String outFile) 
throws Exception {
-        JobConf jobConf = HadoopWordCount1.getJob(inFile, outFile);
-
-        setupFileSystems(jobConf);
-
-        HadoopDefaultJobInfo jobInfo = createJobInfo(jobConf);
-
-        UUID uuid = new UUID(0, 0);
-
-        HadoopJobId jobId = new HadoopJobId(uuid, 0);
-
-        return jobInfo.createJob(HadoopV2Job.class, jobId, log, null, new 
HadoopHelperImpl());
-    }
-
-    /** {@inheritDoc} */
-    @Override public String getOutputFileNamePrefix() {
-        return "part-";
-    }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/ignite/blob/11b00873/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopTasksV2Test.java
----------------------------------------------------------------------
diff --git 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopTasksV2Test.java
 
b/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopTasksV2Test.java
deleted file mode 100644
index faec383..0000000
--- 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopTasksV2Test.java
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.ignite.internal.processors.hadoop;
-
-import java.util.UUID;
-import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.io.IntWritable;
-import org.apache.hadoop.io.Text;
-import org.apache.hadoop.mapreduce.Job;
-import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
-import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;
-import org.apache.ignite.internal.processors.hadoop.examples.HadoopWordCount2;
-import org.apache.ignite.internal.processors.hadoop.v2.HadoopV2Job;
-
-import static 
org.apache.ignite.internal.processors.hadoop.HadoopUtils.createJobInfo;
-
-/**
- * Tests of Map, Combine and Reduce task executions via running of job of 
hadoop API v2.
- */
-public class HadoopTasksV2Test extends HadoopTasksAllVersionsTest {
-    /**
-     * Creates WordCount hadoop job for API v2.
-     *
-     * @param inFile Input file name for the job.
-     * @param outFile Output file name for the job.
-     * @return Hadoop job.
-     * @throws Exception if fails.
-     */
-    @Override public HadoopJob getHadoopJob(String inFile, String outFile) 
throws Exception {
-        Job job = Job.getInstance();
-
-        job.setOutputKeyClass(Text.class);
-        job.setOutputValueClass(IntWritable.class);
-
-        HadoopWordCount2.setTasksClasses(job, true, true, true, false);
-
-        Configuration conf = job.getConfiguration();
-
-        setupFileSystems(conf);
-
-        FileInputFormat.setInputPaths(job, new Path(inFile));
-        FileOutputFormat.setOutputPath(job, new Path(outFile));
-
-        job.setJarByClass(HadoopWordCount2.class);
-
-        Job hadoopJob = HadoopWordCount2.getJob(inFile, outFile);
-
-        HadoopDefaultJobInfo jobInfo = 
createJobInfo(hadoopJob.getConfiguration());
-
-        UUID uuid = new UUID(0, 0);
-
-        HadoopJobId jobId = new HadoopJobId(uuid, 0);
-
-        return jobInfo.createJob(HadoopV2Job.class, jobId, log, null, new 
HadoopHelperImpl());
-    }
-
-    /** {@inheritDoc} */
-    @Override public String getOutputFileNamePrefix() {
-        return "part-r-";
-    }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/ignite/blob/11b00873/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopTestRoundRobinMrPlanner.java
----------------------------------------------------------------------
diff --git 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopTestRoundRobinMrPlanner.java
 
b/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopTestRoundRobinMrPlanner.java
deleted file mode 100644
index edafecd..0000000
--- 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/HadoopTestRoundRobinMrPlanner.java
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.ignite.internal.processors.hadoop;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.Map;
-import java.util.UUID;
-import org.apache.ignite.IgniteCheckedException;
-import org.apache.ignite.cluster.ClusterNode;
-import 
org.apache.ignite.internal.processors.hadoop.planner.HadoopDefaultMapReducePlan;
-import org.jetbrains.annotations.Nullable;
-
-/**
- * Round-robin mr planner.
- */
-public class HadoopTestRoundRobinMrPlanner implements HadoopMapReducePlanner {
-    /** {@inheritDoc} */
-    @Override public HadoopMapReducePlan preparePlan(HadoopJob job, 
Collection<ClusterNode> top,
-        @Nullable HadoopMapReducePlan oldPlan) throws IgniteCheckedException {
-        if (top.isEmpty())
-            throw new IllegalArgumentException("Topology is empty");
-
-        // Has at least one element.
-        Iterator<ClusterNode> it = top.iterator();
-
-        Map<UUID, Collection<HadoopInputSplit>> mappers = new HashMap<>();
-
-        for (HadoopInputSplit block : job.input()) {
-            ClusterNode node = it.next();
-
-            Collection<HadoopInputSplit> nodeBlocks = mappers.get(node.id());
-
-            if (nodeBlocks == null) {
-                nodeBlocks = new ArrayList<>();
-
-                mappers.put(node.id(), nodeBlocks);
-            }
-
-            nodeBlocks.add(block);
-
-            if (!it.hasNext())
-                it = top.iterator();
-        }
-
-        int[] rdc = new int[job.info().reducers()];
-
-        for (int i = 0; i < rdc.length; i++)
-            rdc[i] = i;
-
-        return new HadoopDefaultMapReducePlan(mappers, 
Collections.singletonMap(it.next().id(), rdc));
-    }
-}
\ No newline at end of file

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