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HBase, mail # user - How to monitor total disk access in HBase?


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yun peng 2012-11-10, 15:03
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Stack 2012-11-12, 05:59
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PG 2012-11-12, 16:51
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Otis Gospodnetic 2012-11-13, 02:01
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Re: How to monitor total disk access in HBase?
Elliott Clark 2012-11-13, 15:43
Thanks for bringing 3869 up.  I'll try and get to it as I move the last few
parts of HBase to metrics2.
On Mon, Nov 12, 2012 at 6:01 PM, Otis Gospodnetic <
[EMAIL PROTECTED]> wrote:

> Hi,
>
> I was just trawling HBase JIRA for this info after one happy user of SPM
> for HBase asked if we could show read requests separately from write
> requests.
>
> See
> https://issues.apache.org/jira/browse/HBASE-4989
> https://issues.apache.org/jira/browse/HBASE-3647
>
> There is also https://issues.apache.org/jira/browse/HBASE-3869, but it's
> still patchless.
>
> Otis
> --
> Performance Monitoring - http://sematext.com/spm/index.html
>
>
> On Sat, Nov 10, 2012 at 10:03 AM, yun peng <[EMAIL PROTECTED]> wrote:
>
> > Hi, I want to profile the # of disk access (both random and sequential)
> > issued from HBase (into HDFS). For disk reads, I have tried use
> > blockCacheMissCount, which seems working. But is it the correct way for
> > reads (I can't confirmed it from HBase documents)?
> >
> > For disk writes, I can't find any metrics in HBase. How should one get
> disk
> > writes in HBase?
> >
> > Besides, it's best if I can obtain separate numbers regarding to random
> > access and sequential access. Thanks in advance.
> > Regards,
> > Yun
> >
>