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Re: Pig OutOfMemory Error on org.apache.hadoop.mapreduce.Reducer$Context - Pig - [mail # user]
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...Well , the OOM issue about Pig Bag has been fixed by me. I've push it into production and no OOM about Bag any more. I've contributed a patch here: https://issues.apache.or...
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Author: Haitao Yao,
2012-08-22, 02:20
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How can I get the cumulative cpu time of the whole pig script - Pig - [mail # user]
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...hi, all With hive, I can get the cumulative cpu time of the whole script. So how can I get the similar metrics from pig ? Once optimized the pig script, I can only parse...
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Author: Haitao Yao,
2012-08-21, 10:42
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Re: Pig OutOfMemory Error on org.apache.hadoop.mapreduce.Reducer$Context - Pig - [mail # user]
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...Thank you very much for this. But I still can not find which snippet of the script caused this OOM. The heap dump is generated in the midnight, nobody is standing by. I 'v...
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Author: Haitao Yao,
2012-08-21, 10:38
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Re: Pig OutOfMemory Error on org.apache.hadoop.mapreduce.Reducer$Context - Pig - [mail # user]
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...I 'v found the reason: org.apache.hadoop.io.DataInputBuffer , there's a big byte array referenced by DataInputBuffer. But there's no any way to close the buffer. Is t...
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Author: Haitao Yao,
2012-08-21, 08:42
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Pig OutOfMemory Error on org.apache.hadoop.mapreduce.Reducer$Context - Pig - [mail # user]
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...Hi, all, I got an OOME , on org.apache.hadoop.mapreduce.Reducer$Context, here's the snapshot of the heap dump: Well, does pig have to report so many data through th...
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Author: Haitao Yao,
2012-08-20, 01:49
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ColumnMapKeyPrune bug? - Pig - [mail # user]
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...hey, all I got this error on my pig script: org.apache.pig.impl.logicalLayer.FrontendException: ERROR 2000: Error processing rule ColumnMapKeyPrune. Try -t ColumnMapKeyPrune &n...
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Author: Haitao Yao,
2012-08-10, 03:20
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FileAlreadyExistsException while running pig - Pig - [mail # user]
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...hi, all I got this while running pig script: 997: Unable to recreate exception from backend error: org.apache.hadoop.mapred.FileAlreadyExistsException: Output directory hdfs://...
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Author: Haitao Yao,
2012-08-10, 02:42
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Re: What is the best way to do counting in pig? - Pig - [mail # user]
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...Hey, all, I've submitted the patch for PIG-2182, here's the link: https://issues.apache.org/jira/browse/PIG-2812 I didn't change the data bags to spill into only one file, since ...
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Author: Haitao Yao,
2012-08-09, 14:51
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NPE on JobTracker when job count > 70 - Pig - [mail # user]
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...Hi , all I wrote a pig script and it works fine. After I add more computation to the existing pig script, the hadoop job count exceed 70, and I get this error from job tracker...
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Author: Haitao Yao,
2012-08-09, 02:33
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Re: define global constants in pig script - Pig - [mail # user]
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...Yes, this is just what I'm looking for. thanks. Haitao Yao [EMAIL PROTECTED] weibo: @haitao_yao Skype: haitao.yao.final 在 2012-7-27，下午5:26， Jonathan Coveney 写道 ： &nbs...
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Author: Haitao Yao,
2012-07-30, 06:38
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