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Re: Error during filter - difference between . and :: - Pig - [mail # user]
...The "." is a dereference operator. This is used for look into complex datatypes. See http://pig.apache.org/docs/r0.12.0/basic.html#derefThe "::" is a disambiguation operator. When performing...
   Author: Pradeep Gollakota, 2014-10-14, 16:21
Re: Is there a way to indicate that the data is sorted for a group-by operation? - Pig - [mail # user]
...This is a great question!I could be wrong, but I don't believe there is a way to indicate this for agroup-by. It definitely does matter for performance if your input isglobally sorted. Curre...
   Author: Pradeep Gollakota, 2014-10-13, 16:09
[expand - 2 more] - Re: Optimizing Pig script - Pig - [mail # user]
...It looks like the best option at this point is to write a custom UDF thattakes loads a set of regular expressions from file and runs the datathrough all of them.On Mon, Oct 6, 2014 at 1:44 P...
   Author: Pradeep Gollakota, 2014-10-06, 22:42
[expand - 1 more] - Re: Json Loader - Array of objects - Loading results in empty data set - Pig - [mail # user]
...I haven't worked with JsonLoader much, so I'm not sure what the problem is.But your schema looks correct for your JSON structure now.DataBSets is an Array (or Bag) of Objects (or Tuples). Ea...
   Author: Pradeep Gollakota, 2014-08-08, 14:06
[expand - 1 more] - Re: Query On Pig - Pig - [mail # user]
...i. That's correct.ii. If the key partial match is at the beginning of the row key, then whatyou're looking for is the -gte and -lt/-lte flags. If you want to startwith 123, you just specify ...
   Author: Pradeep Gollakota, 2014-07-01, 17:40
[expand - 4 more] - Re: How to FLATTEN hive column in Pig with ARRAY data type - Pig - [mail # user]
...Awesome... that's the way I would have done it as well.On Mon, Jun 2, 2014 at 10:14 AM, Rahul Channe wrote: ...
   Author: Pradeep Gollakota, 2014-06-02, 18:18
Re: How to sample an inner bag? - Pig - [mail # user]
...@Mehmet... great hack! I like it :-POn Tue, May 27, 2014 at 5:08 PM, Mehmet Tepedelenlioglu <[EMAIL PROTECTED]> wrote: ...
   Author: Pradeep Gollakota, 2014-05-27, 21:18
[PIG-3453] Implement a Storm backend to Pig - Pig - [issue]
...There is a lot of interest around implementing a Storm backend to Pig for streaming processing. The proposal and initial discussions can be found at https://cwiki.apache.org/confluence/displ...
http://issues.apache.org/jira/browse/PIG-3453    Author: Pradeep Gollakota, 2014-05-25, 20:53
[expand - 2 more] - Re: Reading sequence file in pig - Pig - [mail # user]
...That is because null is not a datatype in Pig.http://pig.apache.org/docs/r0.12.1/basic.html#data-typesIf fact, you don't need to specify a type at all for aliases.Try, (key, value: chararray...
   Author: Pradeep Gollakota, 2014-05-21, 18:54
[expand - 1 more] - Re: Query : Filtering out string from a field - Pig - [mail # user]
...Kartik,Looks like you're facing this issues:https://issues.apache.org/jira/browse/PIG-2507What version of Pig are you using? The issue is fixed in 0.11.2 and 0.12.So if you upgrade to these ...
   Author: Pradeep Gollakota, 2014-05-12, 17:28
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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