MAPREDUCE-6339. Job history file is not flushed correctly because isTimerActive flag is not set true when flushTimerTask is scheduled. Contributed by zhihai xu.
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/f5b38477 Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/f5b38477 Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/f5b38477 Branch: refs/heads/HDFS-7240 Commit: f5b38477f9d0827b238fadd260c1dd2889531fd4 Parents: aa22450 Author: Devaraj K <[email protected]> Authored: Thu Apr 30 12:33:22 2015 +0530 Committer: Devaraj K <[email protected]> Committed: Thu Apr 30 12:33:22 2015 +0530 ---------------------------------------------------------------------- hadoop-mapreduce-project/CHANGES.txt | 3 +++ .../hadoop/mapreduce/jobhistory/JobHistoryEventHandler.java | 7 +++++++ .../mapreduce/jobhistory/TestJobHistoryEventHandler.java | 2 ++ 3 files changed, 12 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/hadoop/blob/f5b38477/hadoop-mapreduce-project/CHANGES.txt ---------------------------------------------------------------------- diff --git a/hadoop-mapreduce-project/CHANGES.txt b/hadoop-mapreduce-project/CHANGES.txt index e9e1a4b..c073470 100644 --- a/hadoop-mapreduce-project/CHANGES.txt +++ b/hadoop-mapreduce-project/CHANGES.txt @@ -382,6 +382,9 @@ Release 2.7.1 - UNRELEASED MAPREDUCE-6334. Fetcher#copyMapOutput is leaking usedMemory upon IOException during InMemoryMapOutput shuffle handler (Eric Payne via jlowe) + MAPREDUCE-6339. Job history file is not flushed correctly because isTimerActive + flag is not set true when flushTimerTask is scheduled. (zhihai xu via devaraj) + Release 2.7.0 - 2015-04-20 INCOMPATIBLE CHANGES http://git-wip-us.apache.org/repos/asf/hadoop/blob/f5b38477/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/jobhistory/JobHistoryEventHandler.java ---------------------------------------------------------------------- diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/jobhistory/JobHistoryEventHandler.java b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/jobhistory/JobHistoryEventHandler.java index a0e7041..6b0ea79 100644 --- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/jobhistory/JobHistoryEventHandler.java +++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/jobhistory/JobHistoryEventHandler.java @@ -72,6 +72,7 @@ import org.codehaus.jackson.map.ObjectMapper; import org.codehaus.jackson.node.ArrayNode; import org.codehaus.jackson.node.ObjectNode; +import com.google.common.annotations.VisibleForTesting; /** * The job history events get routed to this class. This class writes the Job * history events to the DFS directly into a staging dir and then moved to a @@ -1259,6 +1260,7 @@ public class JobHistoryEventHandler extends AbstractService if (!isTimerShutDown) { flushTimerTask = new FlushTimerTask(this); flushTimer.schedule(flushTimerTask, flushTimeout); + isTimerActive = true; } } } @@ -1378,4 +1380,9 @@ public class JobHistoryEventHandler extends AbstractService } return JobState.KILLED.toString(); } + + @VisibleForTesting + boolean getFlushTimerStatus() { + return isTimerActive; + } } http://git-wip-us.apache.org/repos/asf/hadoop/blob/f5b38477/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/jobhistory/TestJobHistoryEventHandler.java ---------------------------------------------------------------------- diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/jobhistory/TestJobHistoryEventHandler.java b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/jobhistory/TestJobHistoryEventHandler.java index de260c9..49be35b 100644 --- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/jobhistory/TestJobHistoryEventHandler.java +++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/jobhistory/TestJobHistoryEventHandler.java @@ -223,10 +223,12 @@ public class TestJobHistoryEventHandler { } handleNextNEvents(jheh, 9); + Assert.assertTrue(jheh.getFlushTimerStatus()); verify(mockWriter, times(0)).flush(); Thread.sleep(2 * 4 * 1000l); // 4 seconds should be enough. Just be safe. verify(mockWriter).flush(); + Assert.assertFalse(jheh.getFlushTimerStatus()); } finally { jheh.stop(); verify(mockWriter).close();
