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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HDFS-1393) When a directory with huge number of files is deleted, the NN becomes unresponsive
Date Sun, 12 Sep 2010 07:12:33 GMT

     [ https://issues.apache.org/jira/browse/HDFS-1393?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

dhruba borthakur resolved HDFS-1393.
------------------------------------

    Resolution: Duplicate

duplicate of HDFS-1143

> When a directory with huge number of files is deleted, the NN becomes unresponsive
> ----------------------------------------------------------------------------------
>
>                 Key: HDFS-1393
>                 URL: https://issues.apache.org/jira/browse/HDFS-1393
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: name-node
>            Reporter: dhruba borthakur
>
> If one deletes a directory with about 2 million files, the namenode becomes unresponsive
for close to 20 seconds. The reason being that the FSnamesystem lock is held while all the
blocks/namespace-entries are freed.

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