J-D, thank you.
On Wed, Mar 18, 2009 at 2:45 PM, Jean-Daniel Cryans <[email protected]> wrote: > Michael, > > This is normal when not followed by RetriesExhausted exceptions. That > exception is used by the region servers to tell the clients that a > certain region was moved (because of rebalancing or splitting) and > that they should refresh their cache. > > J-D > > On Wed, Mar 18, 2009 at 4:00 AM, Michael Dagaev > <[email protected]> wrote: >> Hi all >> >> We run a small Hbase 0.18 cluster (4 machines). >> A few days ago the traffic (mostly writes) increased >> and we started to notice NotServingRegionExceptions. >> >> Has anybody run into such a problem ? >> >> org.apache.hadoop.hbase.NotServingRegionException: Region <...> closed >> at >> org.apache.hadoop.hbase.regionserver.HRegion.obtainRowLock(HRegion.java:1810) >> at >> org.apache.hadoop.hbase.regionserver.HRegion.getLock(HRegion.java:1875) >> at >> org.apache.hadoop.hbase.regionserver.HRegion.batchUpdate(HRegion.java:1406) >> at >> org.apache.hadoop.hbase.regionserver.HRegion.batchUpdate(HRegion.java:1380) >> at >> org.apache.hadoop.hbase.regionserver.HRegionServer.batchUpdate(HRegionServer.java:1114) >> at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source) >> at >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) >> at java.lang.reflect.Method.invoke(Method.java:597) >> at org.apache.hadoop.hbase.ipc.HbaseRPC$Server.call(HbaseRPC.java:554) >> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:888) >> >> Thank you for your cooperation, >> M. >> >> P.S. Yes, we are going to upgrade our cluster to Hbase 0.19 >> >
