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https://issues.apache.org/jira/browse/MAPREDUCE-3562?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13170752#comment-13170752
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Ravi Teja Ch N V commented on MAPREDUCE-3562:
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bq.-1 core tests. The patch failed these unit tests:
bq.org.apache.hadoop.mapreduce.v2.app.TestStagingCleanup
bq.org.apache.hadoop.mapreduce.v2.app.TestJobEndNotifier
The testcase failures are not related to this patch.
> Concurrency issues in MultipleOutputs,JobControl,Counters
> ---------------------------------------------------------
>
> Key: MAPREDUCE-3562
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3562
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 0.23.0
> Reporter: Ravi Teja Ch N V
> Assignee: Ravi Teja Ch N V
> Attachments: MAPREDUCE-3562.patch
>
>
> bq.MultipleOutputs
> The close of recordwriters should be synchronized.
> public void close() throws IOException, InterruptedException {
> for (RecordWriter writer : recordWriters.values()) {
> writer.close(context);
> bq.JobControl.java
> the getters of the jobs to be synchronized.
> bq.Counters.java
> makeEscapedCompactString to be made synchronized.
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