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[PIG-3480] TFile-based tmpfile compression crashes in some cases - Pig - [issue]
...When pig tmpfile compression is on, some jobs fail inside core hadoop internals.Suspect TFile is the problem, because an experiment in replacing TFile with SequenceFile succeeded....
http://issues.apache.org/jira/browse/PIG-3480    Author: Dmitriy V. Ryaboy, 2014-04-15, 21:45
[PIG-2620] Customizable Error Handling in Pig - Pig - [issue]
...The current behavior of Pig when handling exceptions thrown by UDFs is to fail and stop processing. We want to extend this behavior to let user have finer grain control on error handling.Dep...
http://issues.apache.org/jira/browse/PIG-2620    Author: Dmitriy V. Ryaboy, 2014-04-08, 17:23
[PIG-2167] CUBE operation in Pig - Pig - [issue]
...Computing aggregates over a cube of several dimensions is a common operation in data warehousing.The standard SQL syntax is "GROUP relation BY dim1, dim2, dim3 WITH CUBE" – which in ad...
http://issues.apache.org/jira/browse/PIG-2167    Author: Dmitriy V. Ryaboy, 2013-12-25, 12:04
[PIG-2778] Add 'matches' operator to predicate pushdown - Pig - [issue]
...Currently the regex match operation does not get pushed down to LoadMetadata (and Expression does not have an enum value for it); it would be quite useful to enable this for some optimizatio...
http://issues.apache.org/jira/browse/PIG-2778    Author: Dmitriy V. Ryaboy, 2013-12-13, 01:39
[PIG-3479] Fix BigInt, BigDec, Date serialization. Improve perf of PigNullableWritable deserilization - Pig - [issue]
...While working on something unrelated I discovered some serialization errors with recently added data types, and a heavy use of reflection slowing down PigNullableWritable deserialization....
http://issues.apache.org/jira/browse/PIG-3479    Author: Dmitriy V. Ryaboy, 2013-09-24, 23:55
[PIG-2143] Make PigStorage optionally store schema; improve docs. - Pig - [issue]
...I'd like to propose that we allow for a greater degree of customization in PigStorage.An incomplete list features that we might want to add: flag to tell it to overwrite existing output if i...
http://issues.apache.org/jira/browse/PIG-2143    Author: Dmitriy V. Ryaboy, 2013-08-01, 15:08
[PIG-2448] Convert more tests to use LOCAL mode - Pig - [issue]
...We can switch many tests to use LOCAL mode and run faster. This ticket is for converting a few of these tests....
http://issues.apache.org/jira/browse/PIG-2448    Author: Dmitriy V. Ryaboy, 2013-02-22, 04:54
[PIG-2066] Accumulators should be able to early-terminate - Pig - [issue]
...Accumulators are currently forced to process the whole bag; getValue() is called at the very end.Early termination is a handy feature to be able to use (for IsEmpty, for example).We can add ...
http://issues.apache.org/jira/browse/PIG-2066    Author: Dmitriy V. Ryaboy, 2013-02-22, 04:54
[PIG-2858] Improve PlanHelper to allow finding any PhysicalOperator in a plan - Pig - [issue]
...PlanHelper has a few handy methods for finding Loads, Stores, and Native MR operators in a PhysicalPlan. With a bit of refactoring, we can make PlanHelper find any PhysicalOperator, instead ...
http://issues.apache.org/jira/browse/PIG-2858    Author: Dmitriy V. Ryaboy, 2013-02-22, 04:54
[PIG-2553] Pig shouldn't allow attempts to write multiple relations into same directory - Pig - [issue]
...We've seen multiple occasions where users accidentally try to store 2 or more different relations to the same destination directory. Currently, this passes the Pig planner and fails on MR si...
http://issues.apache.org/jira/browse/PIG-2553    Author: Dmitriy V. Ryaboy, 2013-02-18, 06:04
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