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Re: Using LoadFunc to get arbitrary data into Pig script - Pig - [mail # user]
...Hi Thomas, This isn't a complete answer, but take a look at mock.Storage that Julien wrote to make testing easy:  http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/builtin/mo...
   Author: Dmitriy Ryaboy, 2012-09-07, 16:56
Re: Machine Learning + Pig? - Pig - [mail # user]
...Please take a look at Alek and Jimmy's paper on ML in Pig; there are also a few presentations they did on this, here's one from the Hadoop Summit: https://speakerdeck.com/u/lintool/p/large-s...
   Author: Dmitriy Ryaboy, 2012-09-06, 23:01
[expand - 1 more] - Re: Current "patch available' and open issues - Pig - [mail # dev]
...+1  (we also need to train committers to actually review stuff.. guilty of not reviewing, myself..)  D  On Tue, Sep 4, 2012 at 10:59 AM, Alan Gates  wrote:...
   Author: Dmitriy Ryaboy, 2012-09-04, 18:42
[expand - 1 more] - Re: Extremely slow when loading small amount of data from HBase - Pig - [mail # user]
...I think the hbase folks recommend something like 40 regions per node per tab le, but I might be misremembering something. Have you tried emailing the hba se users list?  On Sep 4, 2012,...
   Author: Dmitriy Ryaboy, 2012-09-04, 11:54
Re: UDF Performance Problem - Pig - [mail # user]
...That's cause you used "group all" which groups everything into one group, which by definition can only go to one reducer.  What if instead you group into some large-enough number of buc...
   Author: Dmitriy Ryaboy, 2012-09-03, 17:21
Re: Custom DB Loader UDF - Pig - [mail # user]
...You can also look at what Vertica did for their Pig connector:  https://github.com/vertica/Vertica-Hadoop-Connector/blob/master/pig-connector/com/vertica/pig/VerticaLoader.java  (i...
   Author: Dmitriy Ryaboy, 2012-09-02, 21:17
Re: wrong sort order (lexical vs numeric) in a nested foreach - Pig - [mail # user]
...I tried to reproduce this and haven't been able to -- all my devious attempts to get something that is actually a string to show up as an int in "describe" wind up in class cast exceptions a...
   Author: Dmitriy Ryaboy, 2012-09-01, 04:42
Re: Unable to open iterator - Pig - [mail # user]
...Please take a look at your job tracker page. It will have a failed job, whic h will have failed tasks, which will have more detailed error logs.   On Aug 28, 2012, at 5:52 PM, Mohit Anc...
   Author: Dmitriy Ryaboy, 2012-08-29, 06:47
Re: Parameterized Expression in Filter - Pig - [mail # user]
...I think you just want this:  filt = filter colors_in by $color_filter;  (no quotes)  D  On Mon, Aug 27, 2012 at 1:50 PM, Duckworth, Will  wrote: een’; ifferent forma...
   Author: Dmitriy Ryaboy, 2012-08-28, 06:34
Re: Question Regarding HBaseStorage Pig 0.8.1 - Pig - [mail # user]
...It works.  Dan, pig should have printed out the name of a file it's logging errors to. That file will have a more complete error trace. Can you send that?  D  On Sat, Aug 25, ...
   Author: Dmitriy Ryaboy, 2012-08-26, 04:04
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