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MAPREDUCE-6797. Job history server scans can become blocked on a single, slow entry. Contributed by Prabhu Joseph 

(cherry picked from commit 99c2bbd337)
This commit is contained in:
Jason Lowe 2016-11-14 20:20:50 +00:00
parent 4dc40fe28e
commit 5b1b825ac8
1 changed files with 25 additions and 27 deletions
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2
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs/src/main/java/org/apache/hadoop/mapreduce/v2/hs/HistoryFileManager.java
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@ -231,7 +231,6 @@ public class HistoryFileManager extends AbstractService {
JobId key = keys.next();
HistoryFileInfo firstValue = cache.get(key);
if (firstValue != null) {
synchronized(firstValue) {
if (firstValue.isMovePending()) {
if (firstValue.didMoveFail() &&
firstValue.jobIndexInfo.getFinishTime() <= cutoff) {
@ -261,7 +260,6 @@ public class HistoryFileManager extends AbstractService {
}
}
}
}
// Log output only for first jobhisotry in pendings to restrict
// the total number of logs.
if (inIntermediateCount > 0) {