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From "Tsz Wo Nicholas Sze (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6560) Byte array native checksumming on DN side
Date Fri, 11 Jul 2014 17:22:06 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6560?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14059035#comment-14059035
] 

Tsz Wo Nicholas Sze commented on HDFS-6560:
-------------------------------------------

For CRC32C, I have no problem to use native.  But, for CRC32, I don't see a point to have
our native implementation since it is unlikely to be better than zip.  Also, these two algorithms
could coexist, i.e. use our native implementation for CRC32C and use zip for CRC32.  No?

> Byte array native checksumming on DN side
> -----------------------------------------
>
>                 Key: HDFS-6560
>                 URL: https://issues.apache.org/jira/browse/HDFS-6560
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode, hdfs-client, performance
>            Reporter: James Thomas
>            Assignee: James Thomas
>         Attachments: HDFS-3528.patch, HDFS-6560.patch
>
>




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