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From "Harsh J (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-4224) The dncp_block_verification log can be compressed
Date Wed, 16 Sep 2015 05:28:46 GMT

     [ https://issues.apache.org/jira/browse/HDFS-4224?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Harsh J resolved HDFS-4224.
---------------------------
    Resolution: Invalid

Invalid after HDFS-7430

> The dncp_block_verification log can be compressed
> -------------------------------------------------
>
>                 Key: HDFS-4224
>                 URL: https://issues.apache.org/jira/browse/HDFS-4224
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: datanode
>    Affects Versions: 2.0.0-alpha
>            Reporter: Harsh J
>            Priority: Minor
>
> On some systems, I noticed that when the scanner runs, the dncp_block_verification.log.curr
file under the block pool gets quite large (several GBs). Although this is rolled away, we
could also configure compression upon it (a codec that may work without natives, would be
a good default) and save on I/O and space.



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