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Hive >> mail # user >> why using mapreduce python scripts print more NULLs


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周梦想 2013-03-26, 09:54
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Re: why using mapreduce python scripts print more NULLs
Hi Andy ,

Can you view the data from the table by hadoop fs -text $tabledir/$filename? The data may be corrupted or the filed delimiter is mixed with the data used in the transform script.
Thanks

On Mar 26, 2013, at 2:54 AM, 周梦想 <[EMAIL PROTECTED]> wrote:

> testpoker

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周梦想 2013-03-27, 02:21
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