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Posted to common-dev@hadoop.apache.org by "Koji Noguchi (JIRA)" <ji...@apache.org> on 2008/11/20 17:36:45 UTC

[jira] Created: (HADOOP-4693) many filelist calls to large directory killing the namenode

many filelist calls to large directory killing the namenode
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                 Key: HADOOP-4693
                 URL: https://issues.apache.org/jira/browse/HADOOP-4693
             Project: Hadoop Core
          Issue Type: Bug
          Components: dfs
    Affects Versions: 0.18.2, 0.17.2
            Reporter: Koji Noguchi


We recently had couple of clusters go down due to users' tasks calling dfs -ls frequently on a large directory.
Namenode started taking time in GC and became unresponsive.

I'll update once I get more info.

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