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HBase >> mail # user >> question about clienttrace logs in hdfs and shortcircuit read


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Re: question about clienttrace logs in hdfs and shortcircuit read
What the hdfs data locality metric?
And remote read and local read?

On Thursday, July 4, 2013, Viral Bajaria wrote:

> Currently datanode shows a lot of clienttrace logs for DFSClient. I did a
> quick command line check to see how many clienttrace do I get per active
> RegionServer and it seems the local RegionServer had very few (< 1%).
>
> Given that datanode logs are too noisy with clienttrace, I was hoping to
> find the metrics in an easier way. But maybe I will hunt the logs now.
>
> Any pointers on what type of log to look for ?
>
> Thanks,
> Viral
>
> On Thu, Jul 4, 2013 at 1:57 AM, Azuryy Yu <[EMAIL PROTECTED]<javascript:;>>
> wrote:
>
> > if SCR take effect, you can see releated logs in the datanode log.
>
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