It could be HBASE-6870?
On Mon, Jul 29, 2013 at 7:37 PM, Jean-Daniel Cryans <[email protected]>wrote: > Can you tell who's doing it? You could enable IPC debug for a few secs > to see who's coming in with scans. > > You could also try to disable pre-fetching, set > hbase.client.prefetch.limit to 0 > > Also, is it even causing a problem or you're just worried it might > since it doesn't look "normal"? > > J-D > > On Mon, Jul 29, 2013 at 10:32 AM, Varun Sharma <[email protected]> > wrote: > > Hi folks, > > > > We are seeing an issue with hbase 0.94.3 on CDH 4.2.0 with excessive > .META. > > reads... > > > > In the steady state where there are no client crashes and there are no > > region server crashes/region movement, the server holding .META. is > serving > > an incredibly large # of read requests on the .META. table. > > > > From my understanding, in the steady state, region locations should be > > indefinitely cached in the client. The client is running a work load of > > multiput(s), puts, gets and coprocessor calls. > > > > Thanks > > Varun >
