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[expand - 3 more] - Using variables generated by FOREACH command - MapReduce - [mail # user]
...Hi  I  have a group and foreach statements as below  grouped = GROUP filterdata BY (page_name,web_session_id); x = foreach grouped { distinct_web_cookie_id= DISTINCT filterdat...
   Author: Mix Nin , 2013-11-14, 23:03
[expand - 3 more] - header of a tuple/bag - MapReduce - [mail # user]
...Hi,  I am trying query a data set on HDFS using PIG.  Data = LOAD '/user/xx/20130523/*; x = FOREACH Data GENERATE cookie_id;  I get below error.   Invalid field projectio...
   Author: Mix Nin , 2013-07-16, 18:04
[expand - 2 more] - Fwd: Number format exception : For input string - HDFS - [mail # user]
...I wrote a script as below.  Data = LOAD 'part-r-00000' AS (session_start_gmt:long) FilterData = FILTER Data BY  session_start_gmt=1369546091667   I get below error  2013-...
   Author: Mix Nin , 2013-07-02, 15:31
Number format exception : For input string - Pig - [mail # user]
...Data = LOAD 'part-r-00000' AS (session_start_gmt:long) FilterData = FILTER Data BY  session_start_gmt=1369546091667   I get below error  2013-07-01 22:48:06,510 [main] ERROR o...
   Author: Mix Nin , 2013-07-02, 14:47
[expand - 8 more] - Passing multiple parameters to a PIG script - Pig - [mail # user]
...Removing space worked. Thanks Will   Thanks   On Thu, Jun 20, 2013 at 12:18 PM, wrote:  > > pig  -f  $ROOT_DIR/pig0.pig -param inputDatePig=$inputDate  -p...
   Author: Mix Nin , 2013-06-20, 20:21
[expand - 7 more] - Reading multiple files of a directory using a Single LOAD Command in PIG - Hadoop - [mail # user]
...Hi,  My mistake, I gave backward slashes and so was getting error. I gave forward slashes and it is working fine.  Good to know that LOAD ignores filenames that begin with "_" or a...
   Author: Mix Nin , 2013-06-11, 22:15
[expand - 3 more] - Single Output file from STORE command - HDFS - [mail # user]
...PIG STORE command produces multiple output files. I want a single output file and I tried using command as below  STORE (foreach (group NoNullData all) generate flatten($1))  into ...
   Author: Mix Nin , 2013-05-24, 21:46
[expand - 12 more] - Number of records in an HDFS file - HDFS - [mail # user]
...Hi,  The final count file should reside in local directory, but not in HDFS directory. The above scripts will store text file in HDFS directory. The count file would need to be sent to ...
   Author: Mix Nin , 2013-05-13, 18:58
[expand - 2 more] - Commands not working properly when stored in pig file - Pig - [mail # user]
...I guess the second map reduce started executing before first one got completed.  Below is error log  2013-03-27 15:48:08,902 [main] INFO  org.apache.pig.backend.hadoop.executi...
   Author: Mix Nin , 2013-03-27, 23:07
[expand - 5 more] - Commands not working properlry when stored in pig file - HDFS - [mail # user]
...This is the error I get  org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - 32% complete 2013-03-27 14:38:35,568 [main] INFO  org.apache.pig.backend.h...
   Author: Mix Nin , 2013-03-27, 21:45