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From "Zhe Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-8968) Erasure coding: a comprehensive I/O throughput benchmark tool
Date Thu, 12 Nov 2015 19:32:11 GMT

     [ https://issues.apache.org/jira/browse/HDFS-8968?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Zhe Zhang updated HDFS-8968:
----------------------------
       Resolution: Fixed
     Hadoop Flags: Reviewed
    Fix Version/s: 3.0.0
           Status: Resolved  (was: Patch Available)

Committed to trunk. Thanks Rui for the work and Kai/Rakesh for the reviews!

> 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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