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Posted to hdfs-issues@hadoop.apache.org by "Zhe Zhang (JIRA)" <ji...@apache.org> on 2015/10/30 00:37:28 UTC

[jira] [Commented] (HDFS-8425) [umbrella] Performance tuning, investigation and optimization for erasure coding

    [ https://issues.apache.org/jira/browse/HDFS-8425?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14981572#comment-14981572 ] 

Zhe Zhang commented on HDFS-8425:
---------------------------------

Thanks [~tfukudom]! What does the X-axis show (10, 20, ..., 200)? And I guess you didn't kill and DN in read tests?

> [umbrella] Performance tuning, investigation and optimization for erasure coding
> --------------------------------------------------------------------------------
>
>                 Key: HDFS-8425
>                 URL: https://issues.apache.org/jira/browse/HDFS-8425
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>    Affects Versions: HDFS-7285
>            Reporter: GAO Rui
>         Attachments: testClientWriteReadFile_v1.pdf, testdfsio-read-mbsec.png, testdfsio-write-mbsec.png
>
>
> This {{umbrella}} jira aims to track performance tuning, investigation and optimization for erasure coding.



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