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https://issues.apache.org/jira/browse/HADOOP-11798?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wei-Chiu Chuang updated HADOOP-11798:
-------------------------------------
Resolution: Fixed
Hadoop Flags: Reviewed
Fix Version/s: 3.0.0-alpha2
Status: Resolved (was: Patch Available)
Committed patch v5 to trunk. Thanks to [~Sammi] for contributing the patch and
[~drankye] for driving the review!
[~Sammi] would you mind to add a short release note to this jira?
> 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: SammiChen
> Labels: hdfs-ec-3.0-must-do
> Fix For: 3.0.0-alpha2, HDFS-7285
>
> Attachments: HADOOP-11798-v1.patch, HADOOP-11798-v2.patch,
> HADOOP-11798-v3.patch, HADOOP-11798-v4.patch, HADOOP-11798-v5.patch
>
>
> 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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