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svn merge -c 1302645 from trunk to branch-0.23 FIXES MAPREDUCE-4025. AM can crash if task attempt reports bogus progress value (Jason Lowe via bobby) 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1302646 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Robert Joseph Evans 2012-03-19 20:32:54 +00:00
parent 5c7e5fbf91
commit c02c9218d9
2 changed files with 4 additions and 0 deletions
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3
hadoop-mapreduce-project/CHANGES.txt
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@ -108,6 +108,9 @@ Release 0.23.2 - UNRELEASED
MAPREDUCE-3954. Added new envs to separate heap size for different daemons MAPREDUCE-3954. Added new envs to separate heap size for different daemons
started via bin scripts. (Robert Joseph Evans via vinodkv) started via bin scripts. (Robert Joseph Evans via vinodkv)
MAPREDUCE-4025. AM can crash if task attempt reports bogus progress value
(Jason Lowe via bobby)
OPTIMIZATIONS OPTIMIZATIONS
MAPREDUCE-3901. Modified JobHistory records in YARN to lazily load job and MAPREDUCE-3901. Modified JobHistory records in YARN to lazily load job and

1
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/job/impl/TaskAttemptImpl.java
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@ -1030,6 +1030,7 @@ public abstract class TaskAttemptImpl implements
private void updateProgressSplits() { private void updateProgressSplits() {
double newProgress = reportedStatus.progress; double newProgress = reportedStatus.progress;
newProgress = Math.max(Math.min(newProgress, 1.0D), 0.0D);
Counters counters = reportedStatus.counters; Counters counters = reportedStatus.counters;
if (counters == null) if (counters == null)
return; return;