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[PIG-3716] Implement user defined comparators for order by in Tez - Pig - [issue]
http://issues.apache.org/jira/browse/PIG-3716    Author: Rohini Palaniswamy, 2014-05-30, 20:18
[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, 2014-05-30, 20:18
[PIG-3751] Generating Splits in Tez should be configurable to AM or client - Pig - [issue]
...1) TEZ-752 allows setting list of URIs to get delegation tokens. Set that to make Tez get delegation tokens and calculate input splits on AM2) Try using Tez Grouping of input splits instead ...
http://issues.apache.org/jira/browse/PIG-3751    Author: Rohini Palaniswamy, 2014-05-30, 20:18
[PIG-3775] Use unsorted shuffle in 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, 2014-05-30, 20:18
[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, 2014-05-30, 20:17
[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, 2014-05-30, 20:17
[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, 2014-05-30, 20:17
[PIG-3845] Use shared edge with no multiquery - Pig - [issue]
...Currently we write map output once for every split and consume in downstream vertices. Need a custom Shared edge implementation in Tez where we can write once and read from all successor ver...
http://issues.apache.org/jira/browse/PIG-3845    Author: Rohini Palaniswamy, 2014-05-30, 20:17
[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, 2014-05-30, 20:16
[PIG-3848] Dynamically switch to replicate join - Pig - [issue]
...   If data sizes are found to be small after filtering then switch to replicate join dynamically if user has not specified "using" clause explicitly. But this required support from...
http://issues.apache.org/jira/browse/PIG-3848    Author: Rohini Palaniswamy, 2014-05-30, 20:16
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