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 >
