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[PIG-4769] UnionOptimizer hits errors when merging vertex group into split
...1) For a script that needs store vertex group removed and merged into split, it gives errorCaused by: java.lang.IllegalArgumentException: VertexGroup must have at least 2 membersas we leave ...
, 2016-01-05, 08:31
[PIG-4551] Partition filter is not pushed down in case of SPLIT
... The below query with implicit split will not push down the partition filters and will scan the whole table. A = LOAD 'db1.table1' USING org.apache.hive...
, 2015-12-10, 20:30
[PIG-4096] Implement predicate pushdown evaluation in OrcStorage
... Parquest supports predicate evaluation and filtering of records natively via https://github.com/apache/incubator-parquet-mr/blob/master/parquet-column/src/main/java/parquet/filter2/pre...
, 2015-11-29, 20:30
[PIG-4094] Predicate pushdown to support complex data types
... Parquet has support for pushing predicates on tuples, maps and bags according to Aniket Mokashi. ORC currently only supports primitives, but will add support for structs(tuples) in the...
, 2015-11-29, 20:29
[PIG-4736] Removing empty keys in UDFContext broke one LoadFunc
...PIG-4697 separated UDFContext specific to each vertex. But it also had an optimization to remove empty keys. That broke one user LoadFunc which was keeping the UDFContext Properties as a loc...
, 2015-11-14, 23:32
[PIG-4697] Serialize relevant part of the udfcontext per vertex to reduce payload size
... What HCatLoader/HCatStorer puts in UDFContext is huge and if there are multiple of them in the pig script, the size of data sent to Tez AM is huge and also the size of data that Tez AM...
, 2015-11-14, 00:49
[PIG-4735] PartitionerDefinedVertexManager should do slowstart
...Currently all the partitioner vertex and final reducer vertex tasks are started as soon as the sampler vertex completes. The final reducer vertex tasks should only start after a percentage o...
, 2015-11-13, 23:30
[PIG-4733] Avoid NullPointerException in JVMReuseImpl for builtin classes
, 2015-11-13, 19:45
[PIG-4722] [Pig on Tez] NPE while running Combiner
...DefaultSorter in Tez calls Combiner from two different threads - during spill in SpillThread and flush in the main thread. If both run the combiner, one ends up with NPE as Reporter is set o...
, 2015-11-13, 19:28
[PIG-4478] TestCSVExcelStorage fails with jdk8
, 2015-11-13, 19:25
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