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Pig Local mode - Pig - [mail # user]
...Hi All,My script runs find in map reduce mode, but I get the following error when I run it in the local mode. I have made sure that the i/p file exists. I am not sure why map reduce is comin...
   Author: Sameer Tilak, 2014-01-23, 00:38
Pig UDF: XPath - Pig - [mail # user]
...                Hi everyone, I am using XPath for XML processing in my Java UDF. I get the following exception, I am not sure if it is a Hadoop issue ...
   Author: Sameer Tilak, 2014-01-15, 19:28
[expand - 1 more] - RE: ENOENT error - Pig - [mail # user]
...Yes, for some reason, although I specify local mode, hadoop is coming into picture. bash-4.1$ which java/usr/bin/java bash-4.1$ ls -lrt /usr/bin/javalrwxrwxrwx 1 root root 22 Oct 31 16:17 /u...
   Author: Sameer Tilak, 2014-01-14, 22:59
ENOENT: No such file or directory - Pig - [mail # user]
...Hi All, I am trying to run a pig script in local mode. The input.seq file is present in the current directory. Here is the o/p:. Any help would be highly appreciated. 2014-01-13 15:03:11,991...
   Author: Sameer Tilak, 2014-01-13, 23:12
A question regarding schema - Pig - [mail # user]
...Hi All,I have a UDF that returns a tuple. The number of elements in the tuple will differ for each user. For example: (userid1, item1, item2, item 100, item 400)(userid1, item1, item200)(use...
   Author: Sameer Tilak, 2013-12-30, 18:49
Apache Pig UDF and  Distributed cache - Pig - [mail # user]
...Hi All, I am trying to use Distributed cache in my UDF. I have the following file in HDFS that I want all my map functions to have available locally: hadoop dfs -ls /scratch/-rw-r--r--  ...
   Author: Sameer Tilak, 2013-12-11, 19:12
Data vectorization and pig bag datatype - Pig - [mail # user]
...Hi All,  We are using Apache Pig for building our data pipeline. We have data in the following fashion:  userid, items {code 1, code 2, ….}, few other features...  Each item h...
   Author: Sameer Tilak, 2013-12-10, 18:36
[expand - 1 more] - RE: Apache Pig + Storm integration - Pig - [mail # user]
...Thanks, Pradeep.        ...
   Author: Sameer Tilak, 2013-12-02, 18:55
[expand - 1 more] - RE: Bag of tuples - Pig - [mail # user]
...Hi Alan, Thanks for your reply.   I am trying to understand how Pig processes these relations. As I mentioned, my UDF returns the result in the following format;   {(id1,x,y,z), (i...
   Author: Sameer Tilak, 2013-11-06, 22:38
[expand - 2 more] - RE: More on issue with local vs mapreduce mode - Pig - [mail # user]
...Dear Serega, I am now using log4j for debugging my UDF. Here is what I found out. For some reason in mapreduce mode my exec function does not get called.   The log message in the constr...
   Author: Sameer Tilak, 2013-11-06, 22:09
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB