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Re: Parallel Join with Pig - Pig - [mail # user]
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...Ok, I've found.... I was using values that return all the same value % number of reducers. For an unfortunate case I tested always multiple values......Ohhh, my fault. Cheers, A...
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Author: Alberto Cordioli,
2012-10-15, 08:20
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Re: Parallel Join with Pig - Pig - [mail # user]
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...With 'key' you mean the join key, right? If so, something doesn't work. I have 24 distinct values for my join key, but with a parallel degree of 20, all the values go to the same reducer. &n...
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Author: Alberto Cordioli,
2012-10-13, 11:32
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Parallel Join with Pig - Pig - [mail # user]
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...Hi all, I have a simple question about join in Pig. I want to do a simple self join on a relation in Pig. So I load two instances of the same relation in this way: I1 = LOAD '/my...
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Author: Alberto Cordioli,
2012-10-12, 09:46
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Re: IllegalArgumentException: Not a host:port pair - Pig 0.10.0 with HBase - Pig - [mail # user]
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...Ok, I solved the problem copying the required jars in $HADOOP_HOME/lib folder. Thanks, Alberto On 13 September 2012 10:22, Alberto Cordioli wrote: Alberto Cor...
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Author: Alberto Cordioli,
2012-09-13, 09:09
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Re: IllegalArgumentException: Not a host:port pair - Pig 0.10.0 with HBase - Pig - [mail # user]
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...Cheolsoo, doing so I obtain a ClassNotFoundException: ERROR 2998: Unhandled internal error. org/apache/hadoop/hbase/filter/WritableByteArrayComparable That's a very strange thing since...
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Author: Alberto Cordioli,
2012-09-13, 08:22
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Re: IllegalArgumentException: Not a host:port pair - Pig 0.10.0 with HBase - Pig - [mail # user]
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...Thanks Cheolsoo. I've already seen that link. But it is not so much clear to me how Pig makes use of HBase jars. Even if I use Pig in MapReduce mode (real or pseudo-distributed) it needs HBa...
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Author: Alberto Cordioli,
2012-09-12, 22:10
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IllegalArgumentException: Not a host:port pair - Pig 0.10.0 with HBase - Pig - [mail # user]
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...Hi all, I'm currently working with Pig 0.10.0. I'd like to load some data from an HBase table, but I encountered some problems. When I try to load the data it seems to work: grun...
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Author: Alberto Cordioli,
2012-09-12, 09:35
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