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https://issues.apache.org/jira/browse/MAPREDUCE-7370?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Prabhu Joseph updated MAPREDUCE-7370:
-------------------------------------
Description:
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]
was:
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}
> 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
>
> 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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