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https://issues.apache.org/jira/browse/MAPREDUCE-7370?focusedWorklogId=764225&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-764225
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ASF GitHub Bot logged work on MAPREDUCE-7370:
---------------------------------------------
Author: ASF GitHub Bot
Created on: 29/Apr/22 12:47
Start Date: 29/Apr/22 12:47
Worklog Time Spent: 10m
Work Description: ashutoshcipher opened a new pull request, #4248:
URL: https://github.com/apache/hadoop/pull/4248
### Description of PR
Parallelize MultipleOutputs#close call
* JIRA: MAPREDUCE-7370
Issue Time Tracking
-------------------
Worklog Id: (was: 764225)
Remaining Estimate: 0h
Time Spent: 10m
> 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: Ravuri Sushma sree
> Priority: Major
> Time Spent: 10m
> 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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