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From "Colin Patrick McCabe (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-6604) The short-circuit cache doesn't correctly time out replicas that haven't been used in a while
Date Mon, 30 Jun 2014 20:44:26 GMT

     [ https://issues.apache.org/jira/browse/HDFS-6604?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Colin Patrick McCabe updated HDFS-6604:
---------------------------------------

    Summary: The short-circuit cache doesn't correctly time out replicas that haven't been
used in a while  (was: Disk space leak with shortcircuit)

> The short-circuit cache doesn't correctly time out replicas that haven't been used in
a while
> ---------------------------------------------------------------------------------------------
>
>                 Key: HDFS-6604
>                 URL: https://issues.apache.org/jira/browse/HDFS-6604
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs-client
>    Affects Versions: 2.4.0
>         Environment: Centos 6.5 and distribution Hortonworks Data Platform v2.1
>            Reporter: Giuseppe Reina
>            Assignee: Colin Patrick McCabe
>            Priority: Critical
>         Attachments: HDFS-6604.001.patch, HDFS-6604.002.patch
>
>
> When HDFS shortcircuit is enabled, the file descriptors of the deleted HDFS blocks are
kept open until the cache is full. This prevents the operating system to free the space on
disk. 
> More details on the [mailing list thread|http://mail-archives.apache.org/mod_mbox/hbase-user/201406.mbox/%3CCAPjB-CA3RV=SLhUHwUE5CV3PC4+rFfz10-TkYdBfS9RT2DeKPw@mail.gmail.com%3E]



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