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Date: Fri, 1 Feb 2008 14:37:09 -0800 (PST)
From: "dhruba borthakur (JIRA)" <jira@apache.org>
To: core-dev@hadoop.apache.org
Subject: [jira] Commented: (HADOOP-2755) dfs fsck extremely slow, dfs ls
 times out
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    [ https://issues.apache.org/jira/browse/HADOOP-2755?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12564959#action_12564959 ] 

dhruba borthakur commented on HADOOP-2755:
------------------------------------------

This patch does not merge cleanly on the 0.16 branch. Can you pl post a patch for the 0.16 branch?

> dfs fsck extremely slow, dfs ls times out
> -----------------------------------------
>
>                 Key: HADOOP-2755
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2755
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.16.0
>         Environment: Jan 28 nightly build
> With patches 2095, 2119, and 2723
>            Reporter: Christian Kunz
>            Assignee: Tsz Wo (Nicholas), SZE
>            Priority: Blocker
>             Fix For: 0.16.0
>
>         Attachments: 2755_20080131.patch, 2755_20080131b.patch
>
>
> I upgraded a Hadoop installation to the Jan 28 nightly build.
> DFS contains 2.4+ M files.
> Upgrade finished but not finalized.
> Before finalizing I wanted to run fsck on the DFS. It hardly progressed after 6 hours (not finished yet). With the '-files' option turned on, it lists about 300 entries in 10 minutes.
> And when I tried to list a subdirectory with 100,000 files, it repeatedly (about 20 attempts) timed out.
> Changing timeout from 1 to 10 minutes did not help.

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