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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3146) DFS flush should be light weighted
Date Tue, 01 Apr 2008 05:56:24 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3146?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12584022#action_12584022

dhruba borthakur commented on HADOOP-3146:

I agree that even if the flush call in 0.17 is much more heavyweight that earlier, I still
do not understand why it is causing the task to hang. I wonder if there is a bug in the implementation
of DFSOutputStream.flush() that is causing the observed problems!

> DFS flush should be light weighted
> ----------------------------------
>                 Key: HADOOP-3146
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3146
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>            Reporter: Runping Qi
>            Assignee: dhruba borthakur
>            Priority: Blocker
>             Fix For: 0.17.0
> Starting fron hadoop-0.17, calling flush of dfs becomes very expensive.
> The current implementation of flush should be renamed as sync.

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