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[PIG-3850] Optimize join followed by order by using same key - Pig - [issue]
...Possible optimizations:    1) If it is a skewed join, then we can combine ordering into it instead of doing a additional orderby as we skewed join already involves sampling.&n...
http://issues.apache.org/jira/browse/PIG-3850    Author: Rohini Palaniswamy, 2014-05-30, 20:16
[PIG-3852] Remove SecurityHelper class for Tez and use Tez helpers instead - Pig - [issue]
...TEZ jira have been created to support mapreduce.job.hdfs-servers and mapreduce.job.credentials.binary. So we can get rid of SecurityHelper.java written for Pig on Tez....
http://issues.apache.org/jira/browse/PIG-3852    Author: Rohini Palaniswamy, 2014-05-30, 20:15
[PIG-3856] UnionOptimizer in Tez should optimize the case of replicated join - Pig - [issue]
...Replicate join input that was broadcast to union vertex now needs to be broadcast to all the union predecessors. So we need to Create edges from the Replicate join input to all the union pre...
http://issues.apache.org/jira/browse/PIG-3856    Author: Rohini Palaniswamy, 2014-05-30, 20:15
[PIG-3891] FileBasedOutputSizeReader does not calculate size of files in sub-directories - Pig - [issue]
...FileBasedOutputSizeReader only includes files in the top level output directory. So if files are stored under subdirectories (For eg: MultiStorage), it does not have the bytes written correc...
http://issues.apache.org/jira/browse/PIG-3891    Author: Rohini Palaniswamy, 2014-05-30, 01:53
Re: Sampling in operations like Order by - Pig - [mail # dev]
...If there is just one reducer there is no need for sampling (PIG-2784), butwhen there is more than one reducer in order by you need to sample the dataand determine the partition ranges so tha...
   Author: Rohini Palaniswamy, 2014-05-22, 18:33
[PIG-2672] Optimize the use of DistributedCache - Pig - [issue]
...Pig currently copies jar files to a temporary location in hdfs and then adds them to DistributedCache for each job launched. This is inefficient in terms of Space - The jars are distributed...
http://issues.apache.org/jira/browse/PIG-2672    Author: Rohini Palaniswamy, 2014-05-20, 19:14
[PIG-3937] Use unsorted shuffle in Union - Pig - [issue]
...TEZ-661 provides unsorted shuffle...
http://issues.apache.org/jira/browse/PIG-3937    Author: Rohini Palaniswamy, 2014-05-19, 21:36
Issue relating to assigning of Jiras - Pig - [mail # dev]
...https://issues.apache.org/jira/browse/INFRA-7675 ended up causing a changefor all project’s roles not allowing contributors to assign jiras tothemselves. Tez team filed https://issues.apache...
   Author: Rohini Palaniswamy, 2014-05-19, 19:29
Re: Plan to merge tez branch into trunk and branch 0.13 - Pig - [mail # dev]
...+1 on branching for 0.13 and then merging Tez branch.On Wed, May 14, 2014 at 8:07 AM, Cheolsoo Park  wrote: ...
   Author: Rohini Palaniswamy, 2014-05-16, 21:19
[PIG-3925] Port more mini cluster tests to Tez - part 4 - Pig - [issue]
...Port following test casesTestFRJoin.javaTestFRJoinNullValue.javaTestGrunt.javaTestImplicitSplit.javaTestInputOutputMiniClusterFileValidator.javaTestJoin.javaTestJoinSmoke.javaTestKeyTypeDisc...
http://issues.apache.org/jira/browse/PIG-3925    Author: Rohini Palaniswamy, 2014-05-16, 17:48
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB