Which version of HBase are you using ? If this problem only started to appear recently, was there noticeable change in load on the cluster ?
Thanks On Nov 14, 2013, at 3:08 AM, Sandeep L <sandeepvre...@outlook.com> wrote: > Its not a Scan for Map/Reduce. > Internally we are using HBase for one of our application where our > application scans data from HBase tables and we use the scan results.Due to > regular scan time outs our service getting interrupted. > > > Thanks,Sandeep. > >> Date: Thu, 14 Nov 2013 18:54:28 +0800 >> Subject: Re: Frequent scan time outs in multiple region servers in same time >> intervals >> From: ra...@appannie.com >> To: user@hbase.apache.org >> >> Is it a Scan for Map/Reduce? Or it's only a regular scan in which case >> maybe you could consider to set the start and end position of your scan to >> limit the operation. >> >> Thanks >> Ramon >> >> >> On Thu, Nov 14, 2013 at 6:23 PM, Sandeep L <sandeepvre...@outlook.com>wrote: >> >>> Hi, >>> In recent times we are seeing frequent scan time outs in multiple region >>> servers of our production cluster. Due to this our HBase cluster is not >>> responding for 5 to 10 minutes for any queries & that causing huge problem >>> for us. >>> We are getting following error in multiple region servers almost in same >>> time intervals >>> 2013-11-14 00:16:30,178 INFO >>> org.apache.hadoop.hbase.regionserver.HRegionServer: Scanner >>> -8978491571406751432 lease expired on region >>> TableName,news,1383881528749.1e3f228e7a7a5a13d117af309f252c6c >>> This error is occurring on multiple tables. >>> Can suggest us what could be the cause and how to resolve the issue. >>> >>> Thanks,Sandeep. >
