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Posted to common-issues@hadoop.apache.org by "SammiChen (JIRA)" <ji...@apache.org> on 2016/10/14 09:09:20 UTC
[jira] [Comment Edited] (HADOOP-11798) Native raw erasure coder in
XOR codes
[ https://issues.apache.org/jira/browse/HADOOP-11798?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15574733#comment-15574733 ]
SammiChen edited comment on HADOOP-11798 at 10/14/16 9:09 AM:
--------------------------------------------------------------
1. Include native files in Windows build script
2. add native XOR and java XOR inter-operable test case
3. refactor native XOR and java XOR test case
4. fix ASF issues
was (Author: sammi):
1. Include native files in Windows build script
2. add native XOR and java XOR inter-operable test case
3. refactor native XOR and java XOR test case
4. fix ACFissues
> 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: HDFS-7285
>
> Attachments: HADOOP-11798-v1.patch, HADOOP-11798-v2.patch, HADOOP-11798-v3.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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