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[expand - 1 more] - Re: How to redirect the Pig script summary to a file - Pig - [mail # user]
...It works, thanks. I looked up http://tldp.org/LDP/abs/html/io-redirection.html but still could not figure why your suggestion works.  If & is inclusive of 1 & 2, either 1 or 2 should ha...
   Author: shan s, 2012-06-14, 04:55
[expand - 2 more] - Re: Multi-GroupBy-Insert optimization - Hive - [mail # user]
...Thanks for the explanation Jan. If I understand correctly, the input will be read one single time and will be preprocessed in some form,  and this intermediate data is used for subseque...
   Author: shan s, 2012-06-04, 15:18
[expand - 1 more] - Re: Need help with simple subquery - Hive - [mail # user]
...Thanks Nanda, Igor, This worked..  On Tue, May 29, 2012 at 11:55 PM, Nanda Vijaydev wrote:  ...
   Author: shan s, 2012-06-04, 12:39
[expand - 3 more] - Re: subquery in select - Hive - [mail # user]
...That was a typo in the email, but it still errors after the typo is corrected. Did you try to run it?  Here is the entire script after creating the file, gt.txt from data below.... &nbs...
   Author: shan s, 2012-05-28, 08:54
hdfs out of disk space. - Hadoop - [mail # user]
...My cluster went out of disk during a job execution and now shows occupied disk space = 100%. When I attempt hadoop fs -ls input, I get below.  Java HotSpot(TM) 64-Bit Server VM warning:...
   Author: shan s, 2012-05-22, 12:43
[expand - 2 more] - Re: How to combine muliple group by - Pig - [mail # user]
...Thanks Alan. Yes, I see it now..  One question on optimizeion/projection I have is that lets say I have rleation with 20 fields. On Wed, May 16, 2012 at 6:09 AM, Alan Gates  wrote:...
   Author: shan s, 2012-05-16, 16:50
Re: Load Pig metadata from file? - Pig - [mail # user]
...Can you use macros instead? It would be much cleaner.. I was just pointed to http://hortonworks.com/blog/new-apache-pig-features-part-1-macro/   On Wed, May 16, 2012 at 4:04 AM, Saurabh...
   Author: shan s, 2012-05-15, 23:11
[expand - 1 more] - Re: replicated join amd map tasks - Pig - [mail # user]
...By other steps, I mainly mean other default joins in the script.  The point is that when I use 'Replicated'  join, 2 maps tasks are scheduled. When I use "default" join, 100+ map j...
   Author: shan s, 2012-05-02, 05:58
Confusing progress and error reporting - Pig - [mail # user]
...I have a job with  file strd.txt is 1.5. gb with 2,458,220  records. I get 24 maps assigned for the first job.  The first 9 maps are working on the same file, with each split ...
   Author: shan s, 2012-04-20, 20:34
Java heap space error, for simple load/store on 1.5 gb file - Pig - [mail # user]
...I am simply reading 1.5 gb file with 2458220 records, and storing it back.  I am getting Java Heap space error  The current setting is mapred.child.java.opts -Xmx1073741824   ...
   Author: shan s, 2012-04-20, 20:18
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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