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[PIG-2828] Handle nulls in DataType.compare - Pig - [issue]
...While using TOP, and if the DataBag contains null value to compare, it will generate the following exception:Caused by: java.lang.NullPointerException at org.apache.pig.data.DataType.compare...
http://issues.apache.org/jira/browse/PIG-2828    Author: Haitao Yao, 2013-06-04, 08:02
Re: optimization for data cube - Pig - [mail # user]
...Thank you very much.  We're using Pig-0.9.2. I updated to 0.11 but it took an unacceptable time to compile my big pig script. With Pig-0.9.2, it's OK. I still did not find the reason. &...
   Author: Haitao Yao, 2013-04-03, 06:07
Pig script compiling too slow with pig-0.10 and pig-0.11 - Pig - [mail # user]
...Hi all I have a big pig script running under pig-0.9.2. While upgrading to pig 0.11 or 0.10, the script needs to be compiled for 2 hours! This is unbelievable. What new compile rules are ad...
   Author: Haitao Yao, 2013-03-06, 06:32
Error without pig script line information - Pig - [mail # user]
...hi, all ,   here's an error that has no line numbers attached:   ERROR 1200: org.apache.pig.newplan.logical.expression.ScalarExpression cannot be cast to org.apache.pig.newplan.log...
   Author: Haitao Yao, 2012-12-24, 08:36
pig support for in operator - Pig - [mail # user]
...hi, all Can pig support in operator, like this:   A = load 'test_data' as (value); B = filter A by value in (1,2,3,4,5);   I think this is really useful. thanks. Haitao Yao [E...
   Author: Haitao Yao, 2012-12-14, 02:07
[PIG-2812] Spill InternalCachedBag into only 1 file - Pig - [issue]
...I encountered a reducer's OOM because of java.io.DeleteOnExitHook. And I found out that the InternalCachedBag creates a seperate tmp file, and the tmp files is deleted on exit. So the file d...
http://issues.apache.org/jira/browse/PIG-2812    Author: Haitao Yao, 2012-12-04, 18:33
Re: need compress for ObjectSerializer - Pig - [mail # user]
...Oh , sorry , I just found it in the JIRA. thanks.   Haitao Yao [EMAIL PROTECTED] weibo: @haitao_yao Skype:  haitao.yao.final  On 2012-11-6, at 下午12:16, Roh wrote:  ...
   Author: Haitao Yao, 2012-11-06, 04:35
[PIG-2917] SpillableMemoryManager memory leak for WeakReference - Pig - [issue]
...Sine the SpillableMemoryManager subscribed the memory notifications, and hold a weak reference of all the spillable, if there's too many weak reference and the memory exceeds the threshold, ...
http://issues.apache.org/jira/browse/PIG-2917    Author: Haitao Yao, 2012-10-01, 20:19
Re: How can I split the data with more reducers? - Pig - [mail # user]
...The pie chart is generated by  MemoryAnalyzer(http://www.eclipse.org/mat/) from the heap dump when OOME  happened.  I've increased all the parallelisms and set default_paralle...
   Author: Haitao Yao, 2012-09-17, 09:26
Re: How to force the script finish the job and continue the follow script? - Pig - [mail # user]
...I just wanna to spilt the big job into smaller ones but still write into  one script file.   I still does not know why the first one of the compiled job have only 1  reducer. ...
   Author: Haitao Yao, 2012-09-17, 00:00
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