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HBase >> mail # user >> multiple puts in reducer?


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T Vinod Gupta 2012-02-28, 14:34
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Tim Robertson 2012-02-28, 14:44
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T Vinod Gupta 2012-02-28, 14:50
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Ben Snively 2012-02-28, 14:45
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T Vinod Gupta 2012-02-28, 14:51
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Tim Robertson 2012-02-28, 15:02
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T Vinod Gupta 2012-02-28, 15:06
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Ben Snively 2012-02-28, 15:22
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T Vinod Gupta 2012-02-28, 15:25
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Jacques 2012-02-28, 16:15
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Jacques 2012-02-28, 16:21
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Re: multiple puts in reducer?
Yes you can do it.
But why do you have a reducer when running a m/r job against HBase?

The trick in writing multiple rows... You do it independently of the output from the map() method.
Sent from a remote device. Please excuse any typos...

Mike Segel

On Feb 28, 2012, at 8:34 AM, T Vinod Gupta <[EMAIL PROTECTED]> wrote:

> while doing map reduce on hbase tables, is it possible to do multiple puts
> in the reducer? what i want is a way to be able to write multiple rows. if
> its not possible, then what are the other alternatives? i mean like
> creating a wider table in that case.
>
> thanks
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T Vinod Gupta 2012-02-28, 16:14
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Michael Segel 2012-02-28, 16:20
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Ben Snively 2012-02-28, 17:40
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Jacques 2012-02-29, 05:16
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Michel Segel 2012-02-29, 13:18
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Ben Snively 2012-02-29, 13:21
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Michel Segel 2012-02-29, 13:04
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Jacques 2012-03-01, 17:28
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB