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[PIG-2923] Lazily register bags with SpillableMemoryManager - Pig - [issue]
...Currently, all Spillable DataBags get registered by the BagFactory at the moment of creation. In practice, a lot of these bags will not get large enough to be worth spilling; we can avoid a ...
http://issues.apache.org/jira/browse/PIG-2923    Author: Dmitriy V. Ryaboy, 2013-01-29, 19:41
[PIG-2857] Add a -tagPath option to PigStorage - Pig - [issue]
...We recently added a "-tagSource" option to PigStorage, which allows us to add filenames from which records come to the returned tuples.Often, users want the whole path, not just the source f...
http://issues.apache.org/jira/browse/PIG-2857    Author: Dmitriy V. Ryaboy, 2012-12-13, 19:59
[PIG-3044] Trigger POPartialAgg compaction under GC pressure - Pig - [issue]
...If partial aggregation is turned on in pig 10 and 11, 20% (by default) of the available heap can be consumed by the POPartialAgg operator. This can cause memory issues for jobs that use all,...
http://issues.apache.org/jira/browse/PIG-3044    Author: Dmitriy V. Ryaboy, 2012-12-10, 21:26
[PIG-2204] Allow passing arguments to custom Partitioners - Pig - [issue]
...Currently, this works:y = group x by $0 partition by MyPartitioner PARALLEL 2;However, passing an argument to the partitioner constructor does not work, and dies with a misleading error:y = ...
http://issues.apache.org/jira/browse/PIG-2204    Author: Dmitriy V. Ryaboy, 2012-12-06, 22:17
[PIG-2474] DuplicateForEachColumnRewrite fails in some pig scripts - Pig - [issue]
...The following script fails:l = load 'tmp/t' as (key:int, v1, v2);              g = group l by key;                 ...
http://issues.apache.org/jira/browse/PIG-2474    Author: Dmitriy V. Ryaboy, 2012-10-31, 17:19
[PIG-2900] Streaming should provide conf settings in the environment - Pig - [issue]
...Hadoop Streaming converts jobconf properties into environment variables; Pig streaming does not. This is a useful feature that Pig streaming should provide....
http://issues.apache.org/jira/browse/PIG-2900    Author: Dmitriy V. Ryaboy, 2012-10-24, 23:46
[PIG-2710] Implement Naive CUBE operator - Pig - [issue]
...The Naive CUBE operator is just syntactic sugar for the CubeDimensions UDFS followed by a flatten+group-by....
http://issues.apache.org/jira/browse/PIG-2710    Author: Dmitriy V. Ryaboy, 2012-10-22, 19:44
[PIG-2925] Extremely long JobConf values should not be added to Streaming environment - Pig - [issue]
...PIG-2900 made Pig match Hadoop's practice of making all JobConf properties available as environment variables for pig streaming. As it happens, ProcessBuilder creates a long string with all ...
http://issues.apache.org/jira/browse/PIG-2925    Author: Dmitriy V. Ryaboy, 2012-10-15, 21:43
[PIG-2918] Avoid Spillable bag overhead where possible - Pig - [issue]
...We use BagFactory.newDefaultBag() liberally, and pay a price – each such bag registers with the spillable memory manager, and if we allocate a lot of tiny bags, we wind up paying for m...
http://issues.apache.org/jira/browse/PIG-2918    Author: Dmitriy V. Ryaboy, 2012-09-15, 03:45
[PIG-2528] Add setScriptPlan() method to PigProgressNotificationListener - Pig - [issue]
...For the purposes of tracing usage and statistics of Pig scripts, I'd like to be able to correlate the information PPNL can now collect with the script that was actually running. Currently, a...
http://issues.apache.org/jira/browse/PIG-2528    Author: Dmitriy V. Ryaboy, 2012-09-03, 04:41
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