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Re: HBaseStorage not working - Pig - [mail # user]
...Nothing significant changed in Pig trunk, so I am guessing HBase changed something; you are more likely to get help from them (they should at least be able to point at APIs that changed and ...
   Author: Dmitriy Ryaboy, 2012-04-19, 23:02
[expand - 1 more] - Re: "Could not json-decode string:" Using elephantbird JsonLoader - Pig - [mail # user]
...Needs to be regular 1-record per line Json. With multiline, it's hard to mak e the file splittable -- one needs to know how to find the beginning of the n ext record when dropped on any arbi...
   Author: Dmitriy Ryaboy, 2012-04-19, 14:32
[expand - 1 more] - Re: Apache Pig hackday @ Twitter (SF) - Pig - [mail # user]
...I'll see what we can do for that. Not sure if the room I reserved is hooked up for teleconferences.  On Wed, Apr 18, 2012 at 8:15 PM, Norbert Burger  wrote:  few ant...
   Author: Dmitriy Ryaboy, 2012-04-19, 04:15
Re: OutputSchema for EvalFunc<Tuple> - Pig - [mail # user]
...It's messy. Easier to use the schema parser: org.apache.pig.impl.util.Utils.getSchemaFromString("t:tuple(len:int,word:ch ararray)");  Even easier to use the @OutputSchema annotation (co...
   Author: Dmitriy Ryaboy, 2012-04-19, 02:47
Re: Storing Integers in Hbase using HbaseStorage - Pig - [mail # user]
...Could you send your script?  D  On Wed, Apr 18, 2012 at 7:17 PM, Rajgopal Vaithiyanathan  wrote: ot pReduce$Reduce.runPipeline(PigGenericMapReduce.java:464) pReduce$Reduce.pro...
   Author: Dmitriy Ryaboy, 2012-04-19, 02:43
[expand - 1 more] - Re: ordering tuple after grouping - Pig - [mail # user]
...Top doesn't need to sort the whole relation; it can be done in a streaming f ashion over any collection (n log k, where k << n). Plus it's algebraic (ass ociative), since top 10 of a s...
   Author: Dmitriy Ryaboy, 2012-04-17, 09:50
Re: /tmp/ dir filling up? - Pig - [mail # user]
...Looks like you can set JTConfig.JT_STAGING_AREA_ROOT?  D  On Mon, Apr 16, 2012 at 6:08 PM, Yang  wrote: ir() ; _ROOT, ;...
   Author: Dmitriy Ryaboy, 2012-04-17, 03:54
Re: Java 7 and Pig, hijacked from PIG-2643 - Pig - [mail # dev]
...Last time I tried to run a Java 7 jar on a java 6 jvm, things blew up. This suggests to me that before Pig can use Java 7, Hadoop has to be able to (since hadoop spins out the jvm process th...
   Author: Dmitriy Ryaboy, 2012-04-16, 17:28
Re: Sum and count of fields - Pig - [mail # user]
...You can use Pig scalars to do this:  totals = foreach (group inputR all) {   f5s = distinct f5;   generate SUM(f4) as sum_f4, COUNT_STAR(f5s) as counts_f5;  results = for...
   Author: Dmitriy Ryaboy, 2012-04-15, 21:48
Re: Combining pig output - Pig - [mail # user]
...If you are just trying to get your data into a single file to copy to local fs, you can use hadoop fs -getmerge Pig does not give you such a hook explicitly. If you really want to, you can e...
   Author: Dmitriy Ryaboy, 2012-04-15, 21:44
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