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https://issues.apache.org/jira/browse/MAPREDUCE-7370?focusedWorklogId=783691&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-783691
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ASF GitHub Bot logged work on MAPREDUCE-7370:
---------------------------------------------
Author: ASF GitHub Bot
Created on: 22/Jun/22 04:19
Start Date: 22/Jun/22 04:19
Worklog Time Spent: 10m
Work Description: PrabhuJoseph commented on PR #4248:
URL: https://github.com/apache/hadoop/pull/4248#issuecomment-1162620418
The Patch looks good. @steveloughran Do you want to take a quick look on the
latest patch to make sure it meets the requirement of this Jira you reported.
Issue Time Tracking
-------------------
Worklog Id: (was: 783691)
Time Spent: 1h (was: 50m)
> 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: Ashutosh Gupta
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1h
> 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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