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Posted to common-issues@hadoop.apache.org by "Kai Zheng (JIRA)" <ji...@apache.org> on 2015/04/03 12:37:52 UTC
[jira] [Updated] (HADOOP-11798) Native raw erasure coder in XOR
codes
[ https://issues.apache.org/jira/browse/HADOOP-11798?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Kai Zheng updated HADOOP-11798:
-------------------------------
Fix Version/s: HDFS-7285
> Native raw erasure coder in XOR codes
> -------------------------------------
>
> Key: HADOOP-11798
> URL: https://issues.apache.org/jira/browse/HADOOP-11798
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: io
> Reporter: Kai Zheng
> Assignee: Kai Zheng
> Fix For: HDFS-7285
>
>
> Raw XOR coder is utilized in Reed-Solomon erasure coder in an optimization to recover only one erased block which is in most often case. It can also be used in HitchHiker coder. Therefore a native implementation of it would be deserved for performance gain.
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