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LogicalExpressionSimplifier rules - Pig - [mail # dev]
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...Sending this email for getting wider attention. I propose disabling LogicalExpressionSimplifier optimizer rule, because the complexity of that rule and number of bugs that seem to come...
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Author: Thejas Nair,
2011-10-10, 22:40
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Re: Using 'collected' group - Pig - [mail # dev]
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...I would vote for option C - i would like the user to sign off in each place the feature is used. pig scripts will be modified over time, and person making the edit might no...
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Author: Thejas Nair,
2011-10-07, 23:29
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Re: PIG regression in 0.9.1's BinStorage() - Pig - [mail # user]
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...This was a bug in cast operation, while applying the schema specified in the 2nd load statement. Patch availble in the jira (PIG-2271). -Thejas On 10/6/11 9:0...
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Author: Thejas Nair,
2011-10-06, 21:36
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Re: output partitioning - Pig - [mail # user]
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...-thejas. typed on a tiny virtual keyboard On Oct 5, 2011 5:21 AM, "Alex Rovner" wrote: is...
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Author: Thejas Nair,
2011-10-05, 15:30
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Re: LOAD once, use multiple times - Pig - [mail # user]
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...Removing the filter (B) in the example will still result in similar plan, just that the filter operator will be absent. For example, the following query uses only 1 MR job. If yo...
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Author: Thejas Nair,
2011-10-04, 23:35
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Re: output partitioning - Pig - [mail # user]
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...See the piggybank store func - http://pig.apache.org/docs/r0.9.0/api/org/apache/pig/piggybank/storage/MultiStorage.html Also, see piggybank load func - http://pig.apache.org/docs...
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Author: Thejas Nair,
2011-10-04, 17:24
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Re: LOAD once, use multiple times - Pig - [mail # user]
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...See slides 16,17 in http://www.slideshare.net/thejasmn/apache-pig-performance-optimizations-talk-at-apachecon-2010 . For the query in example, pig includes an index in the ...
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Author: Thejas Nair,
2011-10-04, 17:15
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Re: AvroStorage and duplicate records - Pig - [mail # user]
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...I am not an avro expert, but one thing to check would be the avro versions used to write the data is compatible with the version used with pig to read the data. -Thejas On...
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Author: Thejas Nair,
2011-09-27, 05:43
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Re: ERROR 2118: Input path does not exist - Pig - [mail # user]
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...Do you see any relevant warning messages ? You might want to check if the format of your data is compatible with what PigStorage expects. Thanks, Thejas On 9/22/11 3:15 AM,...
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Author: Thejas Nair,
2011-09-22, 16:44
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Re: ERROR 2118: Input path does not exist - Pig - [mail # user]
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...This is unlikely to be a configuration issue. This query will result in a map-only job, and the number of part files depends on the number of map tasks spawned. In typical configuratio...
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Author: Thejas Nair,
2011-09-21, 17:25
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