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From llpind <sonny_h...@hotmail.com>
Subject Re: Help with Map/Reduce program
Date Wed, 10 Jun 2009 17:28:05 GMT

also,

I think what we want is a way to wildcard everything after colFam1:   (e.g.
colFam1:*).  Is there a way to do this in HBase?

This is assuming we dont know the column name, we want them all.


llpind wrote:
> 
> Thanks.
> 
> Yea I've got that colFam for sure in the HBase table:
> 
> {NAME => 'tableA', FAMILIES => [{NAME => 'colFam1', VERSIONS => '3',
> COMPRESSION => 'NONE', LENGTH => '2147483647',
>  TTL => '-1', IN_MEMORY => 'false', BLOCKCACHE => 'false'}, {NAME =>
> 'colFam2', VERSIONS => '3', COMPRESSION =>
>  'NONE', LENGTH => '2147483647', TTL => '-1', IN_MEMORY => 'false',
> BLOCKCACHE => 'false'}]}
> 
> 
> I've been trying to play with rowcounter, and not having much luck either.
> 
> I run the command:
> hadoop19/bin/hadoop org.apache.hadoop.hbase.mapred.Driver rowcounter
> /home/hadoop/dev/rowcounter7 tableA colFam1:
> 
> 
> The map/reduce finishes just like it does with my own program, but with
> all part files empty in /home/hadoop/dev/rowcounter7.   
> 
> Any Ideas?
> 
> 

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