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From "Yongjun Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-7835) make initial sleeptime in locateFollowingBlock configurable for DFSClient.
Date Fri, 20 Mar 2015 16:49:38 GMT

     [ https://issues.apache.org/jira/browse/HDFS-7835?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yongjun Zhang updated HDFS-7835:
--------------------------------
      Resolution: Fixed
    Hadoop Flags: Reviewed
          Status: Resolved  (was: Patch Available)

Committed to trunk and branch-2. Thanks Zhihai Xu for the contribuation.


> make initial sleeptime in locateFollowingBlock configurable for DFSClient.
> --------------------------------------------------------------------------
>
>                 Key: HDFS-7835
>                 URL: https://issues.apache.org/jira/browse/HDFS-7835
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: dfsclient
>    Affects Versions: 2.7.0
>            Reporter: zhihai xu
>            Assignee: zhihai xu
>             Fix For: 2.8.0
>
>         Attachments: HDFS-7835.000.patch, HDFS-7835.001.patch, HDFS-7835.002.patch
>
>
> Make initial sleeptime in locateFollowingBlock configurable for DFSClient.
> Current the sleeptime/localTimeout in locateFollowingBlock/completeFile from DFSOutputStream
is hard-coded as 400 ms, but retries can be configured by "dfs.client.block.write.locateFollowingBlock.retries".
We should also make the initial sleeptime configurable to give user more flexibility to control
both retry and delay.



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