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[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
Re: Number of mappers in MRCompiler - Pig - [mail # dev]
...I think we decided to instead stub in a special loader that reads a few records from each underlying split, in a single mapper (by using a single wrapping split), right?  On Thu, Aug 23...
   Author: Dmitriy Ryaboy, 2012-08-24, 03:20
Re: Pig testing in maven projects - Pig - [mail # user]
...Yeah, these should be published to maven.  D  On Wed, Aug 15, 2012 at 3:49 AM, Віталій Тимчиш ин  wrote: e ar t ve...
   Author: Dmitriy Ryaboy, 2012-08-22, 16:57
Re: pig pull request: Fix newline right after quote - Pig - [mail # dev]
...Committed today, thanks both.  D  On Sat, Aug 18, 2012 at 9:26 AM, Віталій Тимчиш ин  wrote: s-2.patch r. ch rom y...
   Author: Dmitriy Ryaboy, 2012-08-21, 01:45
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