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[TEZ-2937] Can Processor.close() be called after closing inputs and outputs? - Tez - [issue]
...Pig hit PIG-4722 as processor.close() which clears some static thread local variables was called when SpillThread was still running the Combiner. cal...    Author: Rohini Palaniswamy , 2018-08-01, 20:08
[TEZ-3391] MR split file validation should be done in the AM - Tez - [issue]
... We had a case  where Split metadata size exceeded 10000000. Instead of job failing from validation during initialization in AM like mapreduce, each of the tasks failed doing that ...    Author: Rohini Palaniswamy , 2018-05-31, 18:22
[VOTE] Move master to Hadoop 3+ and create separate 0.9.x line - Tez - [mail # dev]
...+1. I don't see a problem for Pig as this is being done mainly for thehadoop dependencies conflict and there are no API changes in Tez. At leasttill we get to the point where we introduce Ha...
   Author: Rohini Palaniswamy , 2018-04-16, 16:19
[TEZ-800] One-one edge with parallelism -1 fails if source vertex parallelism is not -1 as well - Tez - [issue]
...// no input initializers. At this moment, only other case is 1-1 edge          // with uninitialized sources          boolean hasOneToOneUni...    Author: Rohini Palaniswamy , 2018-01-28, 08:15
[TEZ-3877] Delete unordered spill files once merge is done - Tez - [issue]
... I see that spill files are not deleted right after merge completes. We should do that as it takes up a lot of space and we can't afford that wastage when Tez takes up a lot of shuffle ...    Author: Rohini Palaniswamy , 2018-01-16, 17:23
[TEZ-2950] Poor performance of UnorderedPartitionedKVWriter - Tez - [issue]
...Came across a job which was taking a long time in UnorderedPartitionedKVWriter.mergeAll. It was decompressing and reading data from spill files (8500 spills) and then writing the final compr...    Author: Rohini Palaniswamy , 2017-12-14, 05:30
[TEZ-394] Better scheduling for uneven DAGs - Tez - [issue]
... Consider a series of joins or group by on dataset A with few datasets that takes 10 hours followed by a final join with a dataset X. The vertex that loads dataset X will be one of the ...    Author: Rohini Palaniswamy , 2017-12-11, 21:10
[TEZ-3865] A new vertex manager to partition data for STORE - Tez - [issue]
...Restricting number of files in output is a very common use case. In Pig, currently users add a ORDER BY, GROUP BY or DISTINCT with the required parallelism before STORE to achieve it. All of...    Author: Rohini Palaniswamy , 2017-12-07, 16:59
[TEZ-3385] DAGClient API should be accessible outside of DAG submission - Tez - [issue]
... In PIG-4958, I had to resort to  DAGClient client = new DAGClientImpl(appId, dagID, new TezConfiguration(conf), null);This is not good as DAGClientImpl is a internal class and not...    Author: Rohini Palaniswamy , 2017-09-01, 15:47
[TEZ-2712] Tez UI: Display the vertex description in the tooltip of vertex in DAG view UI - Tez - [issue]
... Currently it only displays Vertex Name and Vertex ID ( and status, duration, parallelism and Processor name). PIG-4429 sets additional description about the vertex which would be good ...    Author: Rohini Palaniswamy , 2017-08-22, 00:03