Vinod Kumar Vavilapalli
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[MAPREDUCE-2338] Deprecate field selection methods on JobConf
...KeyFieldBasedComparator and KeyFieldBasedPartitioner are libraries so should not appear as getters and setters in JobConf. For the new API there are getters and setters on KeyFieldBasedCompa...
, 2012-06-30, 17:16
[MAPREDUCE-4337] Support multiple reducers in 'uber' jobs
...This is MAPREDUCE-434 for 'uber' jobs (jobs that run in the same container as the AM)....
, 2012-06-12, 02:24
[MAPREDUCE-4148] MapReduce should not have a compile-time dependency on HDFS
...MapReduce depends on HDFS's DelegationTokenIdentifier (for printing token debug information). We should remove this dependency and MapReduce's compile-time dependency on HDFS....
, 2012-05-16, 05:55
[MAPREDUCE-4226] ConcurrentModificationException in FileSystemCounterGroup
...This was seen in a Hive job. I'll attach a failing test case....
, 2012-05-08, 14:03
[MAPREDUCE-4230] Ensure framework counter group synchronization is correct for serialization/deserialization
...FrameworkCounterGroup and FileSystemCounterGroup may be susceptible to a race outlined in https://issues.apache.org/jira/browse/MAPREDUCE-4226?focusedCommentId=13269657&page=com.atlassia...
, 2012-05-07, 19:13
[MAPREDUCE-4217] Task commit waits for up to 3 seconds
...Following MAPREDUCE-2450, TaskReporter#stopCommunicationThread may wait up to 3 seconds (the value of PROGRESS_INTERVAL) before it returns. This can be noticeable for short running tasks....
, 2012-05-01, 21:48
[MAPREDUCE-4138] Reduce memory usage of counters due to non-static nested classes
...FrameworkCounter is a non-static nested class of FrameworkCounterGroup which means it retains a reference to the outer class, which isn't really needed....
, 2012-04-27, 14:03
[MAPREDUCE-4158] Port mapreduce.MapFileOutputFormat to branch-1
...MapFileOutputFormat was missed in MAPREDUCE-3607....
, 2012-04-24, 17:04
[MAPREDUCE-4147] YARN should not have a compile-time dependency on HDFS
...YARN doesn't (and shouldn't) use any HDFS-specific APIs, so it should not declare HDFS as a compile-time dependency....
, 2012-04-13, 14:04
[MAPREDUCE-1651] Public Cluster#getDelegationToken() method returns private implementation class
...Cluster#getDelegationToken() returns a DelegationTokenIdentifier, which is marked as InterfaceAudience.Private. Cluster#renewDelegationToken and Cluster#cancelDelegationToken have the same p...
, 2012-03-12, 23:24
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