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Posted to hdfs-issues@hadoop.apache.org by "Kai Zheng (JIRA)" <ji...@apache.org> on 2015/02/02 11:04:35 UTC

[jira] [Updated] (HDFS-7417) Raw XOR coder

     [ https://issues.apache.org/jira/browse/HDFS-7417?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kai Zheng updated HDFS-7417:
----------------------------
    Attachment: HDFS-7417-v2.patch

Updated the patch merging latest changes on the branch.

> Raw XOR coder
> -------------
>
>                 Key: HDFS-7417
>                 URL: https://issues.apache.org/jira/browse/HDFS-7417
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Kai Zheng
>            Assignee: Kai Zheng
>         Attachments: HDFS-7417-v1.patch, HDFS-7417-v2.patch
>
>
> This will implement XOR codes by porting the codes from HDFS-RAID. The coder in the algorithm is needed by some high level codecs like LRC.



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