HBASE-12735 Refactor TestAcidGuarantees so it can live as unit test and as an integration test
Project: http://git-wip-us.apache.org/repos/asf/hbase/repo Commit: http://git-wip-us.apache.org/repos/asf/hbase/commit/f9ce5555 Tree: http://git-wip-us.apache.org/repos/asf/hbase/tree/f9ce5555 Diff: http://git-wip-us.apache.org/repos/asf/hbase/diff/f9ce5555 Branch: refs/heads/branch-1.0 Commit: f9ce55558f98e45c7b39b108384796281c0a2f9e Parents: b2b3b55 Author: Jonathan M Hsieh <[email protected]> Authored: Tue Dec 23 13:42:02 2014 -0800 Committer: Enis Soztutar <[email protected]> Committed: Fri Jan 2 15:56:37 2015 -0800 ---------------------------------------------------------------------- .../hbase/IntegrationTestAcidGuarantees.java | 289 +------------ .../apache/hadoop/hbase/TestAcidGuarantees.java | 405 +++++++++++++++++++ 2 files changed, 424 insertions(+), 270 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/hbase/blob/f9ce5555/hbase-it/src/test/java/org/apache/hadoop/hbase/IntegrationTestAcidGuarantees.java ---------------------------------------------------------------------- diff --git a/hbase-it/src/test/java/org/apache/hadoop/hbase/IntegrationTestAcidGuarantees.java b/hbase-it/src/test/java/org/apache/hadoop/hbase/IntegrationTestAcidGuarantees.java index 2307019..41ea388 100644 --- a/hbase-it/src/test/java/org/apache/hadoop/hbase/IntegrationTestAcidGuarantees.java +++ b/hbase-it/src/test/java/org/apache/hadoop/hbase/IntegrationTestAcidGuarantees.java @@ -19,8 +19,6 @@ package org.apache.hadoop.hbase; import com.google.common.collect.Lists; import com.google.common.collect.Sets; -import org.apache.commons.logging.Log; -import org.apache.commons.logging.LogFactory; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.hbase.client.*; import org.apache.hadoop.hbase.regionserver.ConstantSizeRegionSplitPolicy; @@ -44,23 +42,10 @@ import java.util.concurrent.atomic.AtomicLong; */ @Category(IntegrationTests.class) public class IntegrationTestAcidGuarantees extends IntegrationTestBase { - - protected static final Log LOG = LogFactory.getLog(IntegrationTestAcidGuarantees.class); - private static final int SERVER_COUNT = 1; // number of slaves for the smallest cluster - public static final TableName TABLE_NAME = - TableName.valueOf(IntegrationTestAcidGuarantees.class.getSimpleName()); - public static final byte [] FAMILY_A = Bytes.toBytes("A"); - public static final byte [] FAMILY_B = Bytes.toBytes("B"); - public static final byte [] FAMILY_C = Bytes.toBytes("C"); - public static final byte[][] FAMILIES = new byte[][] { - FAMILY_A, FAMILY_B, FAMILY_C }; - - public static int NUM_COLS_TO_CHECK = 50; - protected IntegrationTestingUtility util; - - // **** extends IntegrationTestBase + // The unit test version. + TestAcidGuarantees tag; @Override public int runTestFromCommandLine() throws Exception { @@ -70,7 +55,7 @@ public class IntegrationTestAcidGuarantees extends IntegrationTestBase { int numGetters = c.getInt("numGetters", 2); int numScanners = c.getInt("numScanners", 2); int numUniqueRows = c.getInt("numUniqueRows", 3); - runTestAtomicity(millis, numWriters, numGetters, numScanners, numUniqueRows, true); + tag.runTestAtomicity(millis, numWriters, numGetters, numScanners, numUniqueRows, true); return 0; } @@ -85,287 +70,51 @@ public class IntegrationTestAcidGuarantees extends IntegrationTestBase { conf.set(HConstants.HBASE_REGION_SPLIT_POLICY_KEY, ConstantSizeRegionSplitPolicy.class.getName()); this.setConf(util.getConfiguration()); + + // replace the HBaseTestingUtility in the unit test with the integration test's + // IntegrationTestingUtility + tag = new TestAcidGuarantees(); + tag.setHBaseTestingUtil(util); } @Override public TableName getTablename() { - return TABLE_NAME; + return TestAcidGuarantees.TABLE_NAME; } @Override protected Set<String> getColumnFamilies() { - return Sets.newHashSet(String.valueOf(FAMILY_A), String.valueOf(FAMILY_B), - String.valueOf(FAMILY_C)); - } - - // **** core - - /** - * Thread that does random full-row writes into a table. - */ - public static class AtomicityWriter extends MultithreadedTestUtil.RepeatingTestThread { - Random rand = new Random(); - byte data[] = new byte[10]; - byte targetRows[][]; - byte targetFamilies[][]; - Table table; - AtomicLong numWritten = new AtomicLong(); - - public AtomicityWriter(MultithreadedTestUtil.TestContext ctx, byte targetRows[][], - byte targetFamilies[][]) throws IOException { - super(ctx); - this.targetRows = targetRows; - this.targetFamilies = targetFamilies; - table = new HTable(ctx.getConf(), TABLE_NAME); - } - public void doAnAction() throws Exception { - // Pick a random row to write into - byte[] targetRow = targetRows[rand.nextInt(targetRows.length)]; - Put p = new Put(targetRow); - rand.nextBytes(data); - - for (byte[] family : targetFamilies) { - for (int i = 0; i < NUM_COLS_TO_CHECK; i++) { - byte qualifier[] = Bytes.toBytes("col" + i); - p.add(family, qualifier, data); - } - } - table.put(p); - numWritten.getAndIncrement(); - } - } - - /** - * Thread that does single-row reads in a table, looking for partially - * completed rows. - */ - public static class AtomicGetReader extends MultithreadedTestUtil.RepeatingTestThread { - byte targetRow[]; - byte targetFamilies[][]; - Table table; - int numVerified = 0; - AtomicLong numRead = new AtomicLong(); - - public AtomicGetReader(MultithreadedTestUtil.TestContext ctx, byte targetRow[], - byte targetFamilies[][]) throws IOException { - super(ctx); - this.targetRow = targetRow; - this.targetFamilies = targetFamilies; - table = new HTable(ctx.getConf(), TABLE_NAME); - } - - public void doAnAction() throws Exception { - Get g = new Get(targetRow); - Result res = table.get(g); - byte[] gotValue = null; - if (res.getRow() == null) { - // Trying to verify but we didn't find the row - the writing - // thread probably just hasn't started writing yet, so we can - // ignore this action - return; - } - - for (byte[] family : targetFamilies) { - for (int i = 0; i < NUM_COLS_TO_CHECK; i++) { - byte qualifier[] = Bytes.toBytes("col" + i); - byte thisValue[] = res.getValue(family, qualifier); - if (gotValue != null && !Bytes.equals(gotValue, thisValue)) { - gotFailure(gotValue, res); - } - numVerified++; - gotValue = thisValue; - } - } - numRead.getAndIncrement(); - } - - private void gotFailure(byte[] expected, Result res) { - StringBuilder msg = new StringBuilder(); - msg.append("Failed after ").append(numVerified).append("!"); - msg.append("Expected=").append(Bytes.toStringBinary(expected)); - msg.append("Got:\n"); - for (Cell kv : res.listCells()) { - msg.append(kv.toString()); - msg.append(" val= "); - msg.append(Bytes.toStringBinary(CellUtil.cloneValue(kv))); - msg.append("\n"); - } - throw new RuntimeException(msg.toString()); - } - } - - /** - * Thread that does full scans of the table looking for any partially completed - * rows. - */ - public static class AtomicScanReader extends MultithreadedTestUtil.RepeatingTestThread { - byte targetFamilies[][]; - Table table; - AtomicLong numScans = new AtomicLong(); - AtomicLong numRowsScanned = new AtomicLong(); - - public AtomicScanReader(MultithreadedTestUtil.TestContext ctx, - byte targetFamilies[][]) throws IOException { - super(ctx); - this.targetFamilies = targetFamilies; - table = new HTable(ctx.getConf(), TABLE_NAME); - } - - public void doAnAction() throws Exception { - Scan s = new Scan(); - for (byte[] family : targetFamilies) { - s.addFamily(family); - } - ResultScanner scanner = table.getScanner(s); - - for (Result res : scanner) { - byte[] gotValue = null; - - for (byte[] family : targetFamilies) { - for (int i = 0; i < NUM_COLS_TO_CHECK; i++) { - byte qualifier[] = Bytes.toBytes("col" + i); - byte thisValue[] = res.getValue(family, qualifier); - if (gotValue != null && !Bytes.equals(gotValue, thisValue)) { - gotFailure(gotValue, res); - } - gotValue = thisValue; - } - } - numRowsScanned.getAndIncrement(); - } - numScans.getAndIncrement(); - } - - private void gotFailure(byte[] expected, Result res) { - StringBuilder msg = new StringBuilder(); - msg.append("Failed after ").append(numRowsScanned).append("!"); - msg.append("Expected=").append(Bytes.toStringBinary(expected)); - msg.append("Got:\n"); - for (Cell kv : res.listCells()) { - msg.append(kv.toString()); - msg.append(" val= "); - msg.append(Bytes.toStringBinary(CellUtil.cloneValue(kv))); - msg.append("\n"); - } - throw new RuntimeException(msg.toString()); - } - } - - public void runTestAtomicity(long millisToRun, - int numWriters, - int numGetters, - int numScanners, - int numUniqueRows) throws Exception { - runTestAtomicity(millisToRun, numWriters, numGetters, numScanners, numUniqueRows, false); - } - - private void createTableIfMissing() - throws IOException { - try { - util.createTable(TABLE_NAME, FAMILIES); - } catch (TableExistsException tee) { - } + return Sets.newHashSet(String.valueOf(TestAcidGuarantees.FAMILY_A), + String.valueOf(TestAcidGuarantees.FAMILY_B), + String.valueOf(TestAcidGuarantees.FAMILY_C)); } - public void runTestAtomicity(long millisToRun, - int numWriters, - int numGetters, - int numScanners, - int numUniqueRows, - final boolean systemTest) throws Exception { - createTableIfMissing(); - MultithreadedTestUtil.TestContext ctx = new MultithreadedTestUtil.TestContext(util.getConfiguration()); - - byte rows[][] = new byte[numUniqueRows][]; - for (int i = 0; i < numUniqueRows; i++) { - rows[i] = Bytes.toBytes("test_row_" + i); - } - - List<AtomicityWriter> writers = Lists.newArrayList(); - for (int i = 0; i < numWriters; i++) { - AtomicityWriter writer = new AtomicityWriter( - ctx, rows, FAMILIES); - writers.add(writer); - ctx.addThread(writer); - } - // Add a flusher - ctx.addThread(new MultithreadedTestUtil.RepeatingTestThread(ctx) { - Admin admin = util.getHBaseAdmin(); - public void doAnAction() throws Exception { - try { - admin.flush(TABLE_NAME); - } catch(IOException ioe) { - LOG.warn("Ignoring exception while flushing: " + StringUtils.stringifyException(ioe)); - } - // Flushing has been a source of ACID violations previously (see HBASE-2856), so ideally, - // we would flush as often as possible. On a running cluster, this isn't practical: - // (1) we will cause a lot of load due to all the flushing and compacting - // (2) we cannot change the flushing/compacting related Configuration options to try to - // alleviate this - // (3) it is an unrealistic workload, since no one would actually flush that often. - // Therefore, let's flush every minute to have more flushes than usual, but not overload - // the running cluster. - if (systemTest) Thread.sleep(60000); - } - }); - - List<AtomicGetReader> getters = Lists.newArrayList(); - for (int i = 0; i < numGetters; i++) { - AtomicGetReader getter = new AtomicGetReader( - ctx, rows[i % numUniqueRows], FAMILIES); - getters.add(getter); - ctx.addThread(getter); - } - - List<AtomicScanReader> scanners = Lists.newArrayList(); - for (int i = 0; i < numScanners; i++) { - AtomicScanReader scanner = new AtomicScanReader(ctx, FAMILIES); - scanners.add(scanner); - ctx.addThread(scanner); - } - - ctx.startThreads(); - ctx.waitFor(millisToRun); - ctx.stop(); - - LOG.info("Finished test. Writers:"); - for (AtomicityWriter writer : writers) { - LOG.info(" wrote " + writer.numWritten.get()); - } - LOG.info("Readers:"); - for (AtomicGetReader reader : getters) { - LOG.info(" read " + reader.numRead.get()); - } - LOG.info("Scanners:"); - for (AtomicScanReader scanner : scanners) { - LOG.info(" scanned " + scanner.numScans.get()); - LOG.info(" verified " + scanner.numRowsScanned.get() + " rows"); - } - } + // ***** Actual integration tests @Test public void testGetAtomicity() throws Exception { - runTestAtomicity(20000, 5, 5, 0, 3); + tag.runTestAtomicity(20000, 5, 5, 0, 3); } @Test public void testScanAtomicity() throws Exception { - runTestAtomicity(20000, 5, 0, 5, 3); + tag.runTestAtomicity(20000, 5, 0, 5, 3); } @Test public void testMixedAtomicity() throws Exception { - runTestAtomicity(20000, 5, 2, 2, 3); + tag.runTestAtomicity(20000, 5, 2, 2, 3); } + + // **** Command line hook + public static void main(String[] args) throws Exception { Configuration conf = HBaseConfiguration.create(); IntegrationTestingUtility.setUseDistributedCluster(conf); int ret = ToolRunner.run(conf, new IntegrationTestAcidGuarantees(), args); System.exit(ret); } - - } http://git-wip-us.apache.org/repos/asf/hbase/blob/f9ce5555/hbase-server/src/test/java/org/apache/hadoop/hbase/TestAcidGuarantees.java ---------------------------------------------------------------------- diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/TestAcidGuarantees.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/TestAcidGuarantees.java new file mode 100644 index 0000000..2b53aab --- /dev/null +++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/TestAcidGuarantees.java @@ -0,0 +1,405 @@ +/** + * + * 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.hadoop.hbase; + +import java.io.IOException; +import java.util.List; +import java.util.Random; +import java.util.concurrent.atomic.AtomicLong; + +import org.apache.commons.logging.Log; +import org.apache.commons.logging.LogFactory; +import org.apache.hadoop.conf.Configuration; +import org.apache.hadoop.hbase.MultithreadedTestUtil.RepeatingTestThread; +import org.apache.hadoop.hbase.MultithreadedTestUtil.TestContext; +import org.apache.hadoop.hbase.client.Get; +import org.apache.hadoop.hbase.client.HBaseAdmin; +import org.apache.hadoop.hbase.client.HTable; +import org.apache.hadoop.hbase.client.Put; +import org.apache.hadoop.hbase.client.Result; +import org.apache.hadoop.hbase.client.ResultScanner; +import org.apache.hadoop.hbase.client.Scan; +import org.apache.hadoop.hbase.client.Table; +import org.apache.hadoop.hbase.regionserver.ConstantSizeRegionSplitPolicy; +import org.apache.hadoop.hbase.testclassification.MediumTests; +import org.apache.hadoop.hbase.util.Bytes; +import org.apache.hadoop.util.StringUtils; +import org.apache.hadoop.util.Tool; +import org.apache.hadoop.util.ToolRunner; +import org.junit.BeforeClass; +import org.junit.Test; +import org.junit.experimental.categories.Category; + +import com.google.common.collect.Lists; + +/** + * Test case that uses multiple threads to read and write multifamily rows + * into a table, verifying that reads never see partially-complete writes. + * + * This can run as a junit test, or with a main() function which runs against + * a real cluster (eg for testing with failures, region movement, etc) + */ +@Category(MediumTests.class) +public class TestAcidGuarantees implements Tool { + protected static final Log LOG = LogFactory.getLog(TestAcidGuarantees.class); + public static final TableName TABLE_NAME = TableName.valueOf("TestAcidGuarantees"); + public static final byte [] FAMILY_A = Bytes.toBytes("A"); + public static final byte [] FAMILY_B = Bytes.toBytes("B"); + public static final byte [] FAMILY_C = Bytes.toBytes("C"); + public static final byte [] QUALIFIER_NAME = Bytes.toBytes("data"); + + public static final byte[][] FAMILIES = new byte[][] { + FAMILY_A, FAMILY_B, FAMILY_C }; + + private HBaseTestingUtility util; + + public static int NUM_COLS_TO_CHECK = 50; + + // when run as main + private Configuration conf; + + private void createTableIfMissing() + throws IOException { + try { + util.createTable(TABLE_NAME, FAMILIES); + } catch (TableExistsException tee) { + } + } + + public TestAcidGuarantees() { + // Set small flush size for minicluster so we exercise reseeking scanners + Configuration conf = HBaseConfiguration.create(); + conf.set(HConstants.HREGION_MEMSTORE_FLUSH_SIZE, String.valueOf(128*1024)); + // prevent aggressive region split + conf.set(HConstants.HBASE_REGION_SPLIT_POLICY_KEY, + ConstantSizeRegionSplitPolicy.class.getName()); + util = new HBaseTestingUtility(conf); + } + + public void setHBaseTestingUtil(HBaseTestingUtility util) { + this.util = util; + } + + /** + * Thread that does random full-row writes into a table. + */ + public static class AtomicityWriter extends RepeatingTestThread { + Random rand = new Random(); + byte data[] = new byte[10]; + byte targetRows[][]; + byte targetFamilies[][]; + Table table; + AtomicLong numWritten = new AtomicLong(); + + public AtomicityWriter(TestContext ctx, byte targetRows[][], + byte targetFamilies[][]) throws IOException { + super(ctx); + this.targetRows = targetRows; + this.targetFamilies = targetFamilies; + table = new HTable(ctx.getConf(), TABLE_NAME); + } + public void doAnAction() throws Exception { + // Pick a random row to write into + byte[] targetRow = targetRows[rand.nextInt(targetRows.length)]; + Put p = new Put(targetRow); + rand.nextBytes(data); + + for (byte[] family : targetFamilies) { + for (int i = 0; i < NUM_COLS_TO_CHECK; i++) { + byte qualifier[] = Bytes.toBytes("col" + i); + p.add(family, qualifier, data); + } + } + table.put(p); + numWritten.getAndIncrement(); + } + } + + /** + * Thread that does single-row reads in a table, looking for partially + * completed rows. + */ + public static class AtomicGetReader extends RepeatingTestThread { + byte targetRow[]; + byte targetFamilies[][]; + Table table; + int numVerified = 0; + AtomicLong numRead = new AtomicLong(); + + public AtomicGetReader(TestContext ctx, byte targetRow[], + byte targetFamilies[][]) throws IOException { + super(ctx); + this.targetRow = targetRow; + this.targetFamilies = targetFamilies; + table = new HTable(ctx.getConf(), TABLE_NAME); + } + + public void doAnAction() throws Exception { + Get g = new Get(targetRow); + Result res = table.get(g); + byte[] gotValue = null; + if (res.getRow() == null) { + // Trying to verify but we didn't find the row - the writing + // thread probably just hasn't started writing yet, so we can + // ignore this action + return; + } + + for (byte[] family : targetFamilies) { + for (int i = 0; i < NUM_COLS_TO_CHECK; i++) { + byte qualifier[] = Bytes.toBytes("col" + i); + byte thisValue[] = res.getValue(family, qualifier); + if (gotValue != null && !Bytes.equals(gotValue, thisValue)) { + gotFailure(gotValue, res); + } + numVerified++; + gotValue = thisValue; + } + } + numRead.getAndIncrement(); + } + + private void gotFailure(byte[] expected, Result res) { + StringBuilder msg = new StringBuilder(); + msg.append("Failed after ").append(numVerified).append("!"); + msg.append("Expected=").append(Bytes.toStringBinary(expected)); + msg.append("Got:\n"); + for (Cell kv : res.listCells()) { + msg.append(kv.toString()); + msg.append(" val= "); + msg.append(Bytes.toStringBinary(CellUtil.cloneValue(kv))); + msg.append("\n"); + } + throw new RuntimeException(msg.toString()); + } + } + + /** + * Thread that does full scans of the table looking for any partially completed + * rows. + */ + public static class AtomicScanReader extends RepeatingTestThread { + byte targetFamilies[][]; + Table table; + AtomicLong numScans = new AtomicLong(); + AtomicLong numRowsScanned = new AtomicLong(); + + public AtomicScanReader(TestContext ctx, + byte targetFamilies[][]) throws IOException { + super(ctx); + this.targetFamilies = targetFamilies; + table = new HTable(ctx.getConf(), TABLE_NAME); + } + + public void doAnAction() throws Exception { + Scan s = new Scan(); + for (byte[] family : targetFamilies) { + s.addFamily(family); + } + ResultScanner scanner = table.getScanner(s); + + for (Result res : scanner) { + byte[] gotValue = null; + + for (byte[] family : targetFamilies) { + for (int i = 0; i < NUM_COLS_TO_CHECK; i++) { + byte qualifier[] = Bytes.toBytes("col" + i); + byte thisValue[] = res.getValue(family, qualifier); + if (gotValue != null && !Bytes.equals(gotValue, thisValue)) { + gotFailure(gotValue, res); + } + gotValue = thisValue; + } + } + numRowsScanned.getAndIncrement(); + } + numScans.getAndIncrement(); + } + + private void gotFailure(byte[] expected, Result res) { + StringBuilder msg = new StringBuilder(); + msg.append("Failed after ").append(numRowsScanned).append("!"); + msg.append("Expected=").append(Bytes.toStringBinary(expected)); + msg.append("Got:\n"); + for (Cell kv : res.listCells()) { + msg.append(kv.toString()); + msg.append(" val= "); + msg.append(Bytes.toStringBinary(CellUtil.cloneValue(kv))); + msg.append("\n"); + } + throw new RuntimeException(msg.toString()); + } + } + + public void runTestAtomicity(long millisToRun, + int numWriters, + int numGetters, + int numScanners, + int numUniqueRows) throws Exception { + runTestAtomicity(millisToRun, numWriters, numGetters, numScanners, numUniqueRows, false); + } + + public void runTestAtomicity(long millisToRun, + int numWriters, + int numGetters, + int numScanners, + int numUniqueRows, + final boolean systemTest) throws Exception { + createTableIfMissing(); + TestContext ctx = new TestContext(util.getConfiguration()); + + byte rows[][] = new byte[numUniqueRows][]; + for (int i = 0; i < numUniqueRows; i++) { + rows[i] = Bytes.toBytes("test_row_" + i); + } + + List<AtomicityWriter> writers = Lists.newArrayList(); + for (int i = 0; i < numWriters; i++) { + AtomicityWriter writer = new AtomicityWriter( + ctx, rows, FAMILIES); + writers.add(writer); + ctx.addThread(writer); + } + // Add a flusher + ctx.addThread(new RepeatingTestThread(ctx) { + HBaseAdmin admin = util.getHBaseAdmin(); + public void doAnAction() throws Exception { + try { + admin.flush(TABLE_NAME); + } catch(IOException ioe) { + LOG.warn("Ignoring exception while flushing: " + StringUtils.stringifyException(ioe)); + } + // Flushing has been a source of ACID violations previously (see HBASE-2856), so ideally, + // we would flush as often as possible. On a running cluster, this isn't practical: + // (1) we will cause a lot of load due to all the flushing and compacting + // (2) we cannot change the flushing/compacting related Configuration options to try to + // alleviate this + // (3) it is an unrealistic workload, since no one would actually flush that often. + // Therefore, let's flush every minute to have more flushes than usual, but not overload + // the running cluster. + if (systemTest) Thread.sleep(60000); + } + }); + + List<AtomicGetReader> getters = Lists.newArrayList(); + for (int i = 0; i < numGetters; i++) { + AtomicGetReader getter = new AtomicGetReader( + ctx, rows[i % numUniqueRows], FAMILIES); + getters.add(getter); + ctx.addThread(getter); + } + + List<AtomicScanReader> scanners = Lists.newArrayList(); + for (int i = 0; i < numScanners; i++) { + AtomicScanReader scanner = new AtomicScanReader(ctx, FAMILIES); + scanners.add(scanner); + ctx.addThread(scanner); + } + + ctx.startThreads(); + ctx.waitFor(millisToRun); + ctx.stop(); + + LOG.info("Finished test. Writers:"); + for (AtomicityWriter writer : writers) { + LOG.info(" wrote " + writer.numWritten.get()); + } + LOG.info("Readers:"); + for (AtomicGetReader reader : getters) { + LOG.info(" read " + reader.numRead.get()); + } + LOG.info("Scanners:"); + for (AtomicScanReader scanner : scanners) { + LOG.info(" scanned " + scanner.numScans.get()); + LOG.info(" verified " + scanner.numRowsScanned.get() + " rows"); + } + } + + @Test + public void testGetAtomicity() throws Exception { + util.startMiniCluster(1); + try { + runTestAtomicity(20000, 5, 5, 0, 3); + } finally { + util.shutdownMiniCluster(); + } + } + + @Test + public void testScanAtomicity() throws Exception { + util.startMiniCluster(1); + try { + runTestAtomicity(20000, 5, 0, 5, 3); + } finally { + util.shutdownMiniCluster(); + } + } + + @Test + public void testMixedAtomicity() throws Exception { + util.startMiniCluster(1); + try { + runTestAtomicity(20000, 5, 2, 2, 3); + } finally { + util.shutdownMiniCluster(); + } + } + + //////////////////////////////////////////////////////////////////////////// + // Tool interface + //////////////////////////////////////////////////////////////////////////// + @Override + public Configuration getConf() { + return conf; + } + + @Override + public void setConf(Configuration c) { + this.conf = c; + this.util = new HBaseTestingUtility(c); + } + + @Override + public int run(String[] arg0) throws Exception { + Configuration c = getConf(); + int millis = c.getInt("millis", 5000); + int numWriters = c.getInt("numWriters", 50); + int numGetters = c.getInt("numGetters", 2); + int numScanners = c.getInt("numScanners", 2); + int numUniqueRows = c.getInt("numUniqueRows", 3); + runTestAtomicity(millis, numWriters, numGetters, numScanners, numUniqueRows, true); + return 0; + } + + public static void main(String args[]) throws Exception { + Configuration c = HBaseConfiguration.create(); + int status; + try { + TestAcidGuarantees test = new TestAcidGuarantees(); + status = ToolRunner.run(c, test, args); + } catch (Exception e) { + LOG.error("Exiting due to error", e); + status = -1; + } + System.exit(status); + } + + +} +
