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

yun peng 2012-11-10, 15:03
Stack 2012-11-12, 05:59
PG 2012-11-12, 16:51
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Re: How to monitor total disk access in HBase?

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 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
Elliott Clark 2012-11-13, 15:43