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[PIG-3847] Sort avoidance for group by and join - Pig - [issue]
...Group by and join only require that the records be grouped together by key. It is not necessary for the keys to be sorted. If we can have a Tez Input/Output implementation that does the grou...
http://issues.apache.org/jira/browse/PIG-3847    Author: Rohini Palaniswamy, 2014-03-27, 23:04
[PIG-3631] Improve performance of replicate-join - Pig - [issue]
...Replicated join is implemented in Tez as follows: POFRJoinTez extends POFRJoin. The difference between two is that replication hash table is constructed out of broadcasting edges in Tez inst...
http://issues.apache.org/jira/browse/PIG-3631    Author: Rohini Palaniswamy, 2014-03-27, 22:59
[PIG-3846] Implement automatic reducer parallelism - Pig - [issue]
...Tez has it built-in. We can start with reusing it and then look at customization for better performance....
http://issues.apache.org/jira/browse/PIG-3846    Author: Rohini Palaniswamy, 2014-03-27, 22:55
[PIG-3775] Use unsorted shuffle in Union, Orderby, Skewed Join to improve performance in Tez - Pig - [issue]
...When implementing Pig union, we need to gather data from two or more upstream vertexes without sorting. The vertex itself might consists of several tasks. Same can be done for the partitione...
http://issues.apache.org/jira/browse/PIG-3775    Author: Rohini Palaniswamy, 2014-03-27, 19:47
[PIG-3750] Fix unit tests for MultiQuery and add new ones for Tez - Pig - [issue]
...  Add for both multiquery on and off cases....
http://issues.apache.org/jira/browse/PIG-3750    Author: Rohini Palaniswamy, 2014-03-27, 19:47
[PIG-3840] Umbrella jira for Pig on Tez Unit Test porting - Pig - [issue]
...Separating out unit test porting jiras from PIG-3446 which is the main jira for Pig on Tez....
http://issues.apache.org/jira/browse/PIG-3840    Author: Rohini Palaniswamy, 2014-03-27, 19:41
[PIG-3839] Umbrella jira for Pig on Tez Performance Improvements - Pig - [issue]
...Separating out performance improvements from PIG-3446 which is the main jira for Pig on Tez....
http://issues.apache.org/jira/browse/PIG-3839    Author: Rohini Palaniswamy, 2014-03-27, 19:41
[PIG-3814] Implement RANK in Tez - Pig - [issue]
http://issues.apache.org/jira/browse/PIG-3814    Author: Rohini Palaniswamy, 2014-03-27, 19:01
Re: Review Request 19724: PIG-3814: Implement RANK in Tez - Pig - [mail # dev]
...POLR would be easier to do based on key type here as there would be lot of instances of it and also comes from Physical plan. POValueOutputTez is only few places and always added by us. So w...
   Author: Rohini Palaniswamy, 2014-03-27, 18:55
[PIG-3838] Organize tez code into subpackages - Pig - [issue]
...Created an operators package while implementing rank. Should move all operators there. Also thinking of having other packages like plan (TezCompiler, TezDAGBuilder, planprinter classes, etc)...
http://issues.apache.org/jira/browse/PIG-3838    Author: Rohini Palaniswamy, 2014-03-27, 18:54
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