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Posted to hdfs-issues@hadoop.apache.org by "Tsz Wo Nicholas Sze (JIRA)" <ji...@apache.org> on 2016/02/18 00:49:18 UTC

[jira] [Updated] (HDFS-8022) Erasure Coding: handle read/write failure for non-stripping coding blocks

     [ https://issues.apache.org/jira/browse/HDFS-8022?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tsz Wo Nicholas Sze updated HDFS-8022:
--------------------------------------
       Assignee:     (was: Tsz Wo Nicholas Sze)
    Component/s: erasure-coding

> Erasure Coding: handle read/write failure for non-stripping coding blocks
> -------------------------------------------------------------------------
>
>                 Key: HDFS-8022
>                 URL: https://issues.apache.org/jira/browse/HDFS-8022
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: erasure-coding
>            Reporter: Kai Zheng
>
> In *non-stripping* case, for (6, 3)-Reed-Solomon, ECWorker reads 6 data blocks and writes 3 parity blocks. We need to handle datanode or network failures when reading or writing local or remote blocks.



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