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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8968) Erasure coding: a comprehensive I/O throughput benchmark tool
Date Thu, 12 Nov 2015 22:50:11 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15003125#comment-15003125
] 

Hudson commented on HDFS-8968:
------------------------------

FAILURE: Integrated in Hadoop-Mapreduce-trunk #2603 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/2603/])
HDFS-8968. Erasure coding: a comprehensive I/O throughput benchmark (zhz: rev 7b00c8e20ee62885097c5e63f110b9eece8ce6b3)
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/ErasureCodeBenchmarkThroughput.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestErasureCodeBenchmarkThroughput.java


> Erasure coding: a comprehensive I/O throughput benchmark tool
> -------------------------------------------------------------
>
>                 Key: HDFS-8968
>                 URL: https://issues.apache.org/jira/browse/HDFS-8968
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: erasure-coding, test
>    Affects Versions: 3.0.0
>            Reporter: Kai Zheng
>            Assignee: Rui Li
>             Fix For: 3.0.0
>
>         Attachments: HDFS-8968-HDFS-7285.1.patch, HDFS-8968-HDFS-7285.2.patch, HDFS-8968.3.patch,
HDFS-8968.4.patch, HDFS-8968.5.patch
>
>
> We need a new benchmark tool to measure the throughput of client writing and reading
considering cases or factors:
> * 3-replica or striping;
> * write or read, stateful read or positional read;
> * which erasure coder;
> * striping cell size;
> * concurrent readers/writers using processes or threads.
> The tool should be easy to use and better to avoid unnecessary local environment impact,
like local disk.



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