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Posted to common-issues@hadoop.apache.org by "Shuyan Zhang (Jira)" <ji...@apache.org> on 2023/12/08 09:19:00 UTC

[jira] [Resolved] (HADOOP-18989) Use thread pool to improve the speed of creating control files in TestDFSIO

     [ https://issues.apache.org/jira/browse/HADOOP-18989?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shuyan Zhang resolved HADOOP-18989.
-----------------------------------
    Fix Version/s: 3.4.0
     Hadoop Flags: Reviewed
       Resolution: Fixed

> Use thread pool to improve the speed of creating control files in TestDFSIO
> ---------------------------------------------------------------------------
>
>                 Key: HADOOP-18989
>                 URL: https://issues.apache.org/jira/browse/HADOOP-18989
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: benchmarks, common
>    Affects Versions: 3.3.6
>            Reporter: farmmamba
>            Assignee: farmmamba
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.4.0
>
>
> When we use TestDFSIO tool to test the throughouts of HDFS clusters, we found it is so slow in the creating controll files stage. 
> After refering to the source code, we found that method createControlFile try to create control files serially. It can be improved by using thread pool.
> After optimizing, the TestDFSIO tool runs quicker than before.
>  



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