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From "Zhe Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-7354) Optimized handling of parity blocks in block management
Date Tue, 31 Mar 2015 17:34:54 GMT

     [ https://issues.apache.org/jira/browse/HDFS-7354?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Zhe Zhang updated HDFS-7354:
----------------------------
    Parent Issue: HDFS-8031  (was: HDFS-7285)

> Optimized handling of parity blocks in block management
> -------------------------------------------------------
>
>                 Key: HDFS-7354
>                 URL: https://issues.apache.org/jira/browse/HDFS-7354
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Zhe Zhang
>            Assignee: Zhe Zhang
>
> Parity blocks are not accessed during normal I/O operations. They should therefore be
treated with lower priority in the block recovery framework. This JIRA tracks this effort
as well as other special treatments which might be needed for parity blocks.



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