Repository: ignite
Updated Branches:
  refs/heads/ignite-2.7 a7480909b -> f89f8e34f


IGNITE-9731 Fixed NPE on concurrent WAL flush - Fixes #4863.

Signed-off-by: Alexey Goncharuk <alexey.goncha...@gmail.com>


Project: http://git-wip-us.apache.org/repos/asf/ignite/repo
Commit: http://git-wip-us.apache.org/repos/asf/ignite/commit/f89f8e34
Tree: http://git-wip-us.apache.org/repos/asf/ignite/tree/f89f8e34
Diff: http://git-wip-us.apache.org/repos/asf/ignite/diff/f89f8e34

Branch: refs/heads/ignite-2.7
Commit: f89f8e34ff81c89a798a3bef6d52daceede55945
Parents: a748090
Author: Anton Kalashnikov <kaa....@yandex.ru>
Authored: Fri Sep 28 18:20:00 2018 +0300
Committer: Alexey Goncharuk <alexey.goncha...@gmail.com>
Committed: Fri Sep 28 18:24:19 2018 +0300

----------------------------------------------------------------------
 .../wal/FileWriteAheadLogManager.java           |  10 +-
 .../db/wal/WalRolloverRecordLoggingTest.java    | 156 +++++++++++++++++++
 .../IgnitePdsWithIndexingCoreTestSuite.java     |   2 +
 3 files changed, 165 insertions(+), 3 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/ignite/blob/f89f8e34/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/persistence/wal/FileWriteAheadLogManager.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/persistence/wal/FileWriteAheadLogManager.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/persistence/wal/FileWriteAheadLogManager.java
index 5d165fd..31617a5 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/persistence/wal/FileWriteAheadLogManager.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/persistence/wal/FileWriteAheadLogManager.java
@@ -2354,19 +2354,23 @@ public class FileWriteAheadLogManager extends 
GridCacheSharedManagerAdapter impl
     private abstract static class FileHandle {
         /** I/O interface for read/write operations with file */
         SegmentIO fileIO;
+        
+        /** Segment idx corresponded to fileIo*/
+        final long segmentIdx;
 
         /**
-         * @param fileIO I/O interface for read/write operations of 
FileHandle.         *
+         * @param fileIO I/O interface for read/write operations of FileHandle.
          */
-        private FileHandle(SegmentIO fileIO) {
+        private FileHandle(@NotNull SegmentIO fileIO) {
             this.fileIO = fileIO;
+            segmentIdx = fileIO.getSegmentId();
         }
 
         /**
          * @return Absolute WAL segment file index (incremental counter).
          */
         public long getSegmentId(){
-            return fileIO.getSegmentId();
+            return segmentIdx;
         }
     }
 

http://git-wip-us.apache.org/repos/asf/ignite/blob/f89f8e34/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/persistence/db/wal/WalRolloverRecordLoggingTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/persistence/db/wal/WalRolloverRecordLoggingTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/persistence/db/wal/WalRolloverRecordLoggingTest.java
new file mode 100644
index 0000000..67caf63
--- /dev/null
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/persistence/db/wal/WalRolloverRecordLoggingTest.java
@@ -0,0 +1,156 @@
+/*
+ * 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.cache.persistence.db.wal;
+
+import java.util.concurrent.ThreadLocalRandom;
+import org.apache.ignite.IgniteCache;
+import org.apache.ignite.IgniteCheckedException;
+import org.apache.ignite.configuration.DataRegionConfiguration;
+import org.apache.ignite.configuration.DataStorageConfiguration;
+import org.apache.ignite.configuration.IgniteConfiguration;
+import org.apache.ignite.failure.StopNodeOrHaltFailureHandler;
+import org.apache.ignite.internal.IgniteEx;
+import org.apache.ignite.internal.IgniteInternalFuture;
+import org.apache.ignite.internal.IgniteInterruptedCheckedException;
+import org.apache.ignite.internal.pagemem.wal.IgniteWriteAheadLogManager;
+import org.apache.ignite.internal.pagemem.wal.record.CheckpointRecord;
+import 
org.apache.ignite.internal.processors.cache.persistence.IgniteCacheDatabaseSharedManager;
+import org.apache.ignite.internal.util.typedef.internal.U;
+import org.apache.ignite.spi.discovery.tcp.TcpDiscoverySpi;
+import org.apache.ignite.spi.discovery.tcp.ipfinder.TcpDiscoveryIpFinder;
+import org.apache.ignite.spi.discovery.tcp.ipfinder.vm.TcpDiscoveryVmIpFinder;
+import org.apache.ignite.testframework.GridTestUtils;
+import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest;
+
+import static 
org.apache.ignite.configuration.DataStorageConfiguration.DFLT_WAL_PATH;
+import static org.apache.ignite.configuration.WALMode.LOG_ONLY;
+/**
+ *
+ */
+public class WalRolloverRecordLoggingTest extends GridCommonAbstractTest {
+    /** */
+    private static final TcpDiscoveryIpFinder IP_FINDER = new 
TcpDiscoveryVmIpFinder(true);
+
+    /** */
+    private static class RolloverRecord extends CheckpointRecord {
+        /** */
+        private RolloverRecord() {
+            super(null);
+        }
+
+        /** {@inheritDoc} */
+        @Override public boolean rollOver() {
+            return true;
+        }
+    }
+
+    /** {@inheritDoc} */
+    @Override protected IgniteConfiguration getConfiguration(String name) 
throws Exception {
+        IgniteConfiguration cfg = super.getConfiguration(name);
+
+        cfg.setDiscoverySpi(new TcpDiscoverySpi().setIpFinder(IP_FINDER));
+
+        cfg.setDataStorageConfiguration(new DataStorageConfiguration()
+            .setDefaultDataRegionConfiguration(new DataRegionConfiguration()
+                .setPersistenceEnabled(true)
+                .setMaxSize(40 * 1024 * 1024))
+            .setWalMode(LOG_ONLY)
+            .setWalSegmentSize(4 * 1024 * 1024)
+            .setWalArchivePath(DFLT_WAL_PATH));
+
+        cfg.setFailureHandler(new StopNodeOrHaltFailureHandler(false, 0));
+
+        return cfg;
+    }
+
+    /** {@inheritDoc} */
+    @Override protected void beforeTest() throws Exception {
+        stopAllGrids();
+
+        cleanPersistenceDir();
+    }
+
+    /** {@inheritDoc} */
+    @Override protected void afterTest() throws Exception {
+        stopAllGrids();
+
+        cleanPersistenceDir();
+    }
+
+    /** */
+    public void testAvoidInfinityWaitingOnRolloverOfSegment() throws Exception 
{
+        IgniteEx ig = startGrid(0);
+
+        ig.cluster().active(true);
+
+        IgniteCache<Integer, Integer> cache = 
ig.getOrCreateCache(DEFAULT_CACHE_NAME);
+
+        long startTime = U.currentTimeMillis();
+        long duration = 5_000;
+
+        IgniteInternalFuture<Long> fut = GridTestUtils.runMultiThreadedAsync(
+            () -> {
+                ThreadLocalRandom random = ThreadLocalRandom.current();
+
+                while (U.currentTimeMillis() - startTime < duration)
+                    cache.put(random.nextInt(100_000), 
random.nextInt(100_000));
+            },
+            8, "cache-put-thread");
+
+        Thread t = new Thread(() -> {
+            do {
+                try {
+                    U.sleep(100);
+                }
+                catch (IgniteInterruptedCheckedException e) {
+                    // No-op.
+                }
+
+                
ig.context().cache().context().database().wakeupForCheckpoint("test");
+            } while (U.currentTimeMillis() - startTime < duration);
+        });
+
+        t.start();
+
+        IgniteWriteAheadLogManager walMgr = 
ig.context().cache().context().wal();
+
+        IgniteCacheDatabaseSharedManager dbMgr = 
ig.context().cache().context().database();
+
+        RolloverRecord rec = new RolloverRecord();
+
+        do {
+            try {
+                dbMgr.checkpointReadLock();
+
+                try {
+                    walMgr.log(rec);
+                }
+                finally {
+                    dbMgr.checkpointReadUnlock();
+                }
+            }
+            catch (IgniteCheckedException e) {
+                log.error(e.getMessage(), e);
+            }
+        } while (U.currentTimeMillis() - startTime < duration);
+
+        fut.get();
+
+        t.join();
+    }
+}

http://git-wip-us.apache.org/repos/asf/ignite/blob/f89f8e34/modules/indexing/src/test/java/org/apache/ignite/testsuites/IgnitePdsWithIndexingCoreTestSuite.java
----------------------------------------------------------------------
diff --git 
a/modules/indexing/src/test/java/org/apache/ignite/testsuites/IgnitePdsWithIndexingCoreTestSuite.java
 
b/modules/indexing/src/test/java/org/apache/ignite/testsuites/IgnitePdsWithIndexingCoreTestSuite.java
index 2989ccd..caea388 100644
--- 
a/modules/indexing/src/test/java/org/apache/ignite/testsuites/IgnitePdsWithIndexingCoreTestSuite.java
+++ 
b/modules/indexing/src/test/java/org/apache/ignite/testsuites/IgnitePdsWithIndexingCoreTestSuite.java
@@ -40,6 +40,7 @@ import 
org.apache.ignite.internal.processors.cache.persistence.db.wal.IgniteWalR
 import 
org.apache.ignite.internal.processors.cache.persistence.db.wal.IgniteWalRecoveryWithCompactionTest;
 import 
org.apache.ignite.internal.processors.cache.persistence.db.wal.WalPathsTest;
 import 
org.apache.ignite.internal.processors.cache.persistence.db.wal.WalRecoveryTxLogicalRecordsTest;
+import 
org.apache.ignite.internal.processors.cache.persistence.db.wal.WalRolloverRecordLoggingTest;
 
 /**
  * Test suite for tests that cover core PDS features and depend on indexing 
module.
@@ -59,6 +60,7 @@ public class IgnitePdsWithIndexingCoreTestSuite extends 
TestSuite {
         suite.addTestSuite(PersistenceDirectoryWarningLoggingTest.class);
         suite.addTestSuite(WalPathsTest.class);
         suite.addTestSuite(WalRecoveryTxLogicalRecordsTest.class);
+        suite.addTestSuite(WalRolloverRecordLoggingTest.class);
 
         suite.addTestSuite(IgniteWalRecoveryTest.class);
         suite.addTestSuite(IgniteWalRecoveryWithCompactionTest.class);

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