Hi Ted, Hbase version is 0.96.0.2.0
Nothing interesting in the hbase log on dn29 and confirmed that region server is running on dn29 When I do 'get', i see hbase(main):001:0> get 'm_data','2fd811c2b1d7476efb16499ccb2b823d' COLUMN CELL ERROR: org.apache.hadoop.hbase.NotServingRegionException: Region m_data,2fd811c2b1d7476efb16499ccb2b823d,1406512331699.12c9a609765ad0bbd6468d93368f860a. is not online at org.apache.hadoop.hbase.regionserver.HRegionServer.getRegionByEncodedName(HRegionServer.java:2585) at org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:3952) at org.apache.hadoop.hbase.regionserver.HRegionServer.get(HRegionServer.java:2733) at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:26925) at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2175) at org.apache.hadoop.hbase.ipc.RpcServer$Handler.run(RpcServer.java:1879) On Sun, Aug 10, 2014 at 10:32 AM, Ted Yu <[email protected]> wrote: > bq. if I can just rmr stuff under /hbase-unsecure/splitWAL/... > > Please don't. > > Have you checked region server log on dn29.manage.com ? > > What hbase version are you using ? > > Cheers > > > On Sun, Aug 10, 2014 at 10:27 AM, Thomas Kwan <[email protected]> > wrote: > >> And I have a program that do some read operations and it hangs. And I am >> seeing >> >> 2014-08-10 12:22:05,359 DEBUG [main] >> client.HConnectionManager$HConnectionImplementation: Removed all >> cached region locations that map to >> dn29.manage.com,60020,1407600154728 >> 2014-08-10 12:22:06,173 DEBUG [main] >> client.HConnectionManager$HConnectionImplementation: Removed >> dn29.manage.com:60020 as a location of >> >> m_data,2fd811c2b1d7476efb16499ccb2b823d,1406512331699.12c9a609765ad0bbd6468d93368f860a. >> for tableName=m_data from cache >> 2014-08-10 12:22:07,180 DEBUG [main] >> client.HConnectionManager$HConnectionImplementation: Removed >> dn29.manage.com:60020 as a location of >> >> m_data,2fd811c2b1d7476efb16499ccb2b823d,1406512331699.12c9a609765ad0bbd6468d93368f860a. >> for tableName=m_data from cache >> 2014-08-10 12:22:09,193 DEBUG [main] >> client.HConnectionManager$HConnectionImplementation: Removed >> dn29.manage.com:60020 as a location of >> >> m_data,2fd811c2b1d7476efb16499ccb2b823d,1406512331699.12c9a609765ad0bbd6468d93368f860a. >> for tableName=m_data from cache >> 2014-08-10 12:22:09,196 DEBUG [main] >> client.HConnectionManager$HConnectionImplementation: Removed all >> cached region locations that map to >> dn29.manage.com,60020,1407600154728 >> 2014-08-10 12:22:13,208 DEBUG [main] >> client.HConnectionManager$HConnectionImplementation: Removed all >> cached region locations that map to >> dn29.manage.com,60020,1407600154728 >> >> I am seeing the following in the hbase master also >> >> 2014-08-10 10:22:25,016 INFO >> [master02.manage.com,60000,1407690402682.splitLogManagerTimeoutMonitor] >> master.SplitLogManager: total tasks = 1 unassigned = 0 >> tasks={/hbase-unsecure/splitWAL/WALs%2Fdn29.manage.com >> %2C60020%2C1407600154728-splitting%2Fdn29.manage.com >> %252C60020%252C1407600154728.1407621759364=last_update >> = 1407690428226 last_version = 53 cur_worker_name = >> dn21.manage.com,60020,1407650188526 status = in_progress incarnation = >> 3 resubmits = 3 batch = installed = 1 done = 0 error = 0} >> >> I wonder if I can just rmr stuff under /hbase-unsecure/splitWAL/... >> >> thanks >> thomas >>
