yun peng 2012-11-10, 15:03
Stack 2012-11-12, 05:59
PG 2012-11-12, 16:51
Otis Gospodnetic 2012-11-13, 02:01
-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:
> 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
> There is also https://issues.apache.org/jira/browse/HBASE-3869, but it's
> still patchless.
> 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
> > 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