Here're a few metrics (per server) to consider for finding hot spot: read request count write request count compaction queue size memstore size
Cheers On Thu, Oct 15, 2015 at 2:51 PM, Gevorg Hari <[email protected]> wrote: > Hello, > > I'm afraid that my cluster is suffering of a bit of hotspotting, what's the > best way to verify that? > > Is it enough to verify the data size handled by each regionserver with the > hdfs dfs -du command? Is there a way to easily count the number of records > handled by each regionserver? How about the number of read/writes handled > by each of them? > > Thanks! > Gevorg >
