On Thu, Apr 21, 2011 at 12:52 AM, Dmitriy Lyubimov <[email protected]> wrote: > On a completely other issue i was reporting, I still have no ideas why > remote client latencies would hover around 25ms in this case if they > avg <1ms on the server. But i am inclined to believe it is unlikely to > be a region server problem, as evidenced by rpc metrics.
You can turn on RPC logging too; on the regionserver UI, set logging level of org.apache.hadoop.ipc to DEBUG (Thats right, hadoop.ipc, not hbase.ipc). That might help (though it will probably only give you what you are seeing via metrics). St.Ack
