Great thank you On Jan 30, 2012 10:44 PM, "Doug Meil" <[email protected]> wrote:
> > Sorry this took so long, but Mikael you are absolutely right that some of > these metrics are non-sensible in name. I created a ticket: > https://issues.apache.org/jira/browse/HBASE-5301 > > The "flushSize", and "flushTime" ones (flushSize_avg_time, > flushSize_num_ops, flushTime_avg_time, flushTime_num_ops) would be better > off being treated as "flush_avg_time", "flush_num_ops", and > "flushSize_avg". > > > I updated the metrics where I could in another ticket. > > > On 11/22/11 6:37 PM, "Doug Meil" <[email protected]> wrote: > > > > >Thanks Mikael for the review. I'll put it in the docs queue. > > > > > > > > > >On 11/22/11 5:23 PM, "Mikael Sitruk" <[email protected]> wrote: > > > >>Hi > >> > >>I have enabled metrics on Hbase cluster (0.90.1), and mapped the metrics > >>to > >>3 categories (missing, Present but not documented/Incomplete > >>documentation,Ok) according to their status in the book ( > >>http://hbase.apache.org/book.html#hbase_metrics). Is it possible to > >>udpate > >>the book accordingly? > >>It seems also that rpc metrics are not documented at all. > >> > >>And now some questions on the metrics: > >>I can see some metrics present a num_ops and avg_time suffix (like rpc) > >>but > >>it seems that for certain metrics is it totally unclear (to me at least) > >>or > >>their name is missleading - for example what > >>means compactionTime_avg_time/compactionTime_num_ops? or > >>flushSize_avg_time > >>and flushSize_num_ops? I mean I would have understood compaction_avg_time > >>and flushSize or flush_avg_time. > >> > >>Also how can we know the unit of measure of metrics (beside > >>memstoreSizeMB > >>and storefileIndexSizeMB that explicitly tell the UOM)? > >> > >>Missing: > >> > >>blockCacheEvictedCount > >>blockCacheHitCachingRatio > >>blockCacheHitCount > >>blockCacheMissCount > >>compactionSize_avg_time > >>compactionSize_num_ops > >>compactionTime_avg_time > >>compactionTime_num_ops > >>flushQueueSize > >>flushSize_avg_time > >>flushSize_num_ops > >>flushTime_avg_time > >>flushTime_num_ops > >> > >> > >> > >>Present but not documented/Incomplete documentation: > >> > >>blockCacheHitRatio > >>fsReadLatency_num_ops > >>fsSyncLatency_num_ops > >>fsWriteLatency_num_ops > >> > >> > >>Ok: > >> > >>blockCacheCount > >>blockCacheFree > >>blockCacheSize > >>compactionQueueSize > >>fsReadLatency_avg_time > >>fsSyncLatency_avg_time > >>fsWriteLatency_avg_time > >>regions > >>requests > >>memstoreSizeMB > >>storefiles > >>stores > >>storefileIndexSizeMB > >> > >> > >> > >>Regards, > >>Mikael.S > > > > > > > > >
