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https://issues.apache.org/jira/browse/MAPREDUCE-7370?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17581538#comment-17581538
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ASF GitHub Bot commented on MAPREDUCE-7370:
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ashutoshcipher commented on PR #4248:
URL: https://github.com/apache/hadoop/pull/4248#issuecomment-1219961390
Hi @cnauroth - I have tried addressing all your comments - Can you please
review it again?
Thanks.
> Parallelize MultipleOutputs#close call
> --------------------------------------
>
> Key: MAPREDUCE-7370
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-7370
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Affects Versions: 3.3.0
> Reporter: Prabhu Joseph
> Assignee: groot
> Priority: Major
> Labels: pull-request-available
> Time Spent: 2h 20m
> Remaining Estimate: 0h
>
> This call takes more time when there are lot of files to close and there is a
> high latency to close. Parallelize MultipleOutputs#close call to improve the
> speed.
> {code}
> public void close() throws IOException {
> for (RecordWriter writer : recordWriters.values()) {
> writer.close(null);
> }
> }
> {code}
> Idea is from [~ste...@apache.org]
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