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Hudson commented on MAPREDUCE-5176: ----------------------------------- Integrated in Hadoop-Mapreduce-trunk #1442 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1442/]) MAPREDUCE-5176. Add annotation for tagging tasks as responsive to preemption. Contributed by Carlo Curino, cdouglas (Revision 1488103) Result = SUCCESS cdouglas : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1488103 Files : * /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt * /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/Reducer.java * /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/lib/output/FileOutputCommitter.java * /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/lib/output/PartialFileOutputCommitter.java * /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/lib/output/PartialOutputCommitter.java * /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/task/annotation * /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/task/annotation/Checkpointable.java * /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/test/java/org/apache/hadoop/mapreduce/lib/output/TestPreemptableFileOutputCommitter.java > Preemptable annotations (to support preemption in MR) > ----------------------------------------------------- > > Key: MAPREDUCE-5176 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-5176 > Project: Hadoop Map/Reduce > Issue Type: Improvement > Components: mrv2 > Reporter: Carlo Curino > Assignee: Carlo Curino > Fix For: 2.0.5-beta > > Attachments: MAPREDUCE-5176.1.patch, MAPREDUCE-5176.2.patch, > MAPREDUCE-5176.3.patch, MAPREDUCE-5176.patch > > > Proposing a patch that introduces a new annotation @Preemptable that > represents to the framework property of user-supplied classes (e.g., Reducer, > OutputCommiter). The intended semantics is that a tagged class is safe to be > preempted between invocations. > (this is in spirit similar to the Output Contracts of [Nephele/PACT | > https://stratosphere.eu/sites/default/files/papers/ComparingMapReduceAndPACTs_11.pdf]) -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira