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From "Liang Xie (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-6591) while loop is executed tens of thousands of times in Hedged Read
Date Wed, 25 Jun 2014 10:18:26 GMT

     [ https://issues.apache.org/jira/browse/HDFS-6591?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Liang Xie updated HDFS-6591:
----------------------------

    Attachment: HDFS-6591.txt

> while loop is executed tens of thousands of times  in Hedged  Read
> ------------------------------------------------------------------
>
>                 Key: HDFS-6591
>                 URL: https://issues.apache.org/jira/browse/HDFS-6591
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs-client
>    Affects Versions: 2.4.0
>            Reporter: LiuLei
>            Assignee: Liang Xie
>         Attachments: HDFS-6591.txt, LoopTooManyTimesTestCase.patch
>
>
> I download hadoop-2.4.1-rc1 code from http://people.apache.org/~acmurthy/hadoop-2.4.1-rc1/,
 I test the  Hedged  Read. I find the while loop in hedgedFetchBlockByteRange method is executed
tens of thousands of times.



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