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[expand - 3 more] - Re: easiest way to get loops in PIG? - Pig - [mail # user]
...well, I tried to give a pure pig latin version without using Udf, but now it seems too cumbersome without udf:   2 of the problems I can't solve is: for a bag [ (id : int,  extra_i...
   Author: Yang, 2012-06-21, 04:33
[expand - 1 more] - Re: error with FLATTEN and nested generate - Pig - [mail # user]
...thanks, but the error msg is for the line before the xx.x  also I removed the xx.x completely and it still gave errors   On Wed, Jun 20, 2012 at 9:09 PM, Bill Graham  wrote: &...
   Author: Yang, 2012-06-21, 04:15
[expand - 3 more] - Re: error to generate a map? - Pig - [mail # user]
...a related  issue is   grunt> a = load 'a' as (x:chararray, y:chararray); grunt> b = foreach a generate { (x,x),(y,y) } as ff:bag{ tt:tuple(hh:chararray, yy:chararray)}; 2012-...
   Author: Yang, 2012-06-20, 23:28
[expand - 2 more] - Re: pig generated 2 map-only jobs ? - Pig - [mail # user]
...Thanks, Alan, here it is     SET mapred.max.jobs.per.node 1; SET mapred.max.maps.per.node  8; SET mapred.tasktracker.map.tasks.maximum   8; SET mapred.map.tasks 48; SET m...
   Author: Yang, 2012-06-17, 16:39
pig.jar packages hadoop classes? - Pig - [mail # user]
...I noticed that in 0.8.x and earlier pig.jar , hadoop classes such as FileInputFormat are also packaged,  then there is a potential problem that the behavior specified in the pig jar cou...
   Author: Yang, 2012-06-17, 02:55
[expand - 1 more] - Re: different mapred.min.split.size within one pig script? - Pig - [mail # user]
...thanks,  I tried, but it does not seem to work,  even after I put the second set split.size= at the very end of the script, it is the second SET that takes effect for both places i...
   Author: Yang, 2012-06-14, 06:08
[expand - 1 more] - Re: /tmp/ dir filling up? - Pig - [mail # user]
...seems to be the case   ./mapred/src/java/org/apache/hadoop/mapred/LocalJobRunner.java      /**    * @see org.apache.hadoop.mapreduce.protocol.ClientProtocol#get...
   Author: Yang, 2012-04-17, 01:08
[expand - 1 more] - Re: UDF allowed return data types? - Pig - [mail # user]
...thanks!  On Mon, Mar 12, 2012 at 11:36 AM, Jonathan Coveney wrote:  ...
   Author: Yang, 2012-03-12, 20:27
debug pig UDF in production EC2 using eclipse ? - Pig - [mail # user]
...sometimes I need to debug a pig UDF in production EC2 cluster using eclipse,  this is normally what I do for debugging a remote jvm:  add "-Xdebug -Xrunjdwp:transport=dt_socket,add...
   Author: Yang, 2012-02-03, 06:01
[expand - 1 more] - Re: control splits / mapper numbers? - Pig - [mail # user]
...found it   SET mapred.min.split.size  12500000; SET mapred.max.split.size  12500000; SET pig.noSplitCombination true;    On Wed, Jan 25, 2012 at 6:06 PM, Yang  ...
   Author: Yang, 2012-01-26, 19:24
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