[jira] [Updated] (MAPREDUCE-7370) Parallelize MultipleOutputs#close call

["Wei-Chiu Chuang (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MAPREDUCE-7370?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wei-Chiu Chuang updated MAPREDUCE-7370:
---------------------------------------
    Fix Version/s: 3.4.0

> 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
>             Fix For: 3.4.0, 3.3.6
>
>          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 [~stevel@apache.org]



--
This message was sent by Atlassian Jira
(v8.20.10#820010)

---------------------------------------------------------------------
To unsubscribe, e-mail: mapreduce-issues-unsubscribe@hadoop.apache.org
For additional commands, e-mail: mapreduce-issues-help@hadoop.apache.org