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Patrick Kling commented on MAPREDUCE-2155: ------------------------------------------ Review board entry for this patch: https://reviews.apache.org/r/120/ ant test-patch output: {code} [exec] +1 overall. [exec] [exec] +1 @author. The patch does not contain any @author tags. [exec] [exec] +1 tests included. The patch appears to include 14 new or modified tests. [exec] [exec] +1 javadoc. The javadoc tool did not generate any warning messages. [exec] [exec] +1 javac. The applied patch does not increase the total number of javac compiler warnings. [exec] [exec] +1 findbugs. The patch does not introduce any new Findbugs (version 1.3.9) warnings. [exec] [exec] +1 release audit. The applied patch does not increase the total number of release audit warnings. [exec] [exec] +1 system test framework. The patch passed system test framework compile. {code} > RaidNode should optionally dispatch map reduce jobs to fix corrupt blocks > (instead of fixing locally) > ----------------------------------------------------------------------------------------------------- > > Key: MAPREDUCE-2155 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-2155 > Project: Hadoop Map/Reduce > Issue Type: Improvement > Affects Versions: 0.23.0 > Reporter: Patrick Kling > Fix For: 0.23.0 > > Attachments: MAPREDUCE-2155.patch > > > Recomputing blocks based on parity information is expensive. Rather than > doing this locally at the RaidNode, we should run map reduce jobs. This will > allow us to quickly fix a large number of corrupt or missing blocks. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.