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HDFS >> mail # user >> How can I record some position of context in Reduce()?


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Roth Effy 2013-03-12, 10:38
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Re: How can I record some position of context in Reduce()?
Through the RecordReader and FileStatus you can get it.
On Tue, Mar 12, 2013 at 4:08 PM, Roth Effy <[EMAIL PROTECTED]> wrote:

> Hi,everyone,
> I want to join the k-v pairs in Reduce(),but how to get the record
> position?
> Now,what I thought is to save the context status,but class Context doesn't
> implement a clone construct method.
>
> Any help will be appreciated.
> Thank you very much.
>
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Roth Effy 2013-03-13, 01:56
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Azuryy Yu 2013-03-13, 02:12
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Roth Effy 2013-03-13, 02:50
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Azuryy Yu 2013-03-13, 14:36
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Roth Effy 2013-03-13, 15:05
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Roth Effy 2013-03-14, 08:23
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