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Hadoop QA commented on MAPREDUCE-6141: -------------------------------------- {color:red}-1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12694558/MAPREDUCE-6141v2.patch against trunk revision 2b0fa20. {color:green}+1 @author{color}. The patch does not contain any @author tags. {color:green}+1 tests included{color}. The patch appears to include 1 new or modified test files. {color:green}+1 javac{color}. The applied patch does not increase the total number of javac compiler warnings. {color:green}+1 javadoc{color}. There were no new javadoc warning messages. {color:green}+1 eclipse:eclipse{color}. The patch built with eclipse:eclipse. {color:red}-1 findbugs{color}. The patch appears to introduce 13 new Findbugs (version 2.0.3) warnings. {color:green}+1 release audit{color}. The applied patch does not increase the total number of release audit warnings. {color:green}+1 core tests{color}. The patch passed unit tests in hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs. Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5121//testReport/ Findbugs warnings: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5121//artifact/patchprocess/newPatchFindbugsWarningshadoop-mapreduce-client-core.html Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5121//console This message is automatically generated. > History server leveldb recovery store > ------------------------------------- > > Key: MAPREDUCE-6141 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-6141 > Project: Hadoop Map/Reduce > Issue Type: Improvement > Components: jobhistoryserver > Reporter: Jason Lowe > Assignee: Jason Lowe > Attachments: MAPREDUCE-6141.patch, MAPREDUCE-6141v2.patch, > MAPREDUCE-6141v2.patch > > > It would be nice to have a leveldb option to the job history server recovery > store. Leveldb would provide some benefits over the existing filesystem > store such as better support for atomic operations, fewer I/O ops per state > update, and far fewer total files on the filesystem. -- This message was sent by Atlassian JIRA (v6.3.4#6332)