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Is there a way to access mapreduce job id/taskId/attempId in UDF? - Pig - [mail # user]
...it will help me to debug the pig script. Thanks, Jack...
   Author: Jinyuan Zhou, 2013-05-03, 21:39
Re: how to filter empty string - Pig - [mail # user]
...for null:  itemid is not null should be used On Tue, Feb 26, 2013 at 3:41 PM, Dan Yi  wrote:    ...
   Author: Jinyuan Zhou, 2013-02-27, 01:22
Re: Declaring schema for unknown number of columns - Pig - [mail # user]
...Sorry, Looks like my suggestion won't help unless you were able to specify the schema with the original load statement. If the number of field is ONLY available at runtime but each row have ...
   Author: Jinyuan Zhou, 2013-01-08, 02:48
Re: Declaring schema for unknown number of columns - Pig - [mail # user]
...If you can load it but join operation need the complete schema, then you can try  do a generate statement to project your original relation  to produce the one you can define schem...
   Author: Jinyuan Zhou, 2013-01-07, 22:27
Re: ClassNotFoundException when loading a hbase table in mapreduce mode - Pig - [mail # user]
...Thanks Cheolsoo, I figured I need to put a lot of hbase jars or jars hbase depend on  through -D option. Instead, I  put all the hbase lib's jar  to HADOOP_CLASSPATH. It worke...
   Author: Jinyuan Zhou, 2012-11-25, 07:39
ClassNotFoundException when loading a hbase table in mapreduce mode - Pig - [mail # user]
...Hi, I am using org.apache.pig.backend.hadoop.hbase.HBaseStorage to load from hbase table in pig. it works in local mode. But when I was trying do it in mapreduce mode. The mappers got the Ca...
   Author: Jinyuan Zhou, 2012-11-20, 21:48
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