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HBase >> mail # user >> Hbase heap size


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Varun Sharma 2013-01-17, 21:15
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lars hofhansl 2013-01-17, 22:31
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Varun Sharma 2013-01-17, 23:24
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lars hofhansl 2013-01-18, 02:24
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Chalcy Raja 2013-01-18, 12:45
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Varun Sharma 2013-01-18, 17:50
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Adrien Mogenet 2013-01-18, 20:28
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lars hofhansl 2013-01-18, 21:40
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Re: Hbase heap size
I meant controlling compaction activity by emitting fewer hfiles but of
larger size.

On Fri, Jan 18, 2013 at 12:28 PM, Adrien Mogenet
<[EMAIL PROTECTED]>wrote:

> On Fri, Jan 18, 2013 at 3:24 AM, lars hofhansl <[EMAIL PROTECTED]> wrote:
>
> > - The largest useful region size is 20G (at least that is the current
> > common tribal knowledge).
> >
>
> I'm using much larger region size (~200 GB) and it's not a real problem if
> you're controlling compactions ; am I right ? It allows a strong reduction
> of number of regions, and thus less memstores, smoother flushes, etc. Of
> course, as usual it might depends on your workload but can perfectly fit
> some needs IHMO.
>
> --
> Adrien Mogenet
> 06.59.16.64.22
> http://www.mogenet.me
>
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