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From Jean-Daniel Cryans <jdcry...@apache.org>
Subject Re: Why the Master is waiting for the stopped regionserver?
Date Thu, 04 Aug 2011 17:18:39 GMT
Those logs show the end result, but not the cause. Digging in those
logs before 18:29 you need to look for the reason why the master
didn't see the region server shutting down.

J-D

On Wed, Aug 3, 2011 at 6:07 AM, shanmuganathan.r
<shanmuganathan.r@zohocorp.com> wrote:
> Hi All,
>
>
>      I have a problem in HBase fully distributed mode with four node cluster. My Hadoop
and zookeeper are working properly. The HBase also starting and running properly but it is
not stopped when I give the stop-hbase.sh command.
>
>
>
> --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
> The log in my master is
>
>
> 2011-08-03 18:29:20,156 INFO org.apache.hadoop.hbase.master.ServerManager: Waiting on
regionserver(s) to go down mageshv.zohocorpin.com,60020,1312376233494
> 2011-08-03 18:29:21,156 INFO org.apache.hadoop.hbase.master.ServerManager: Waiting on
regionserver(s) to go down mageshv.zohocorpin.com,60020,1312376233494
> 2011-08-03 18:29:22,156 INFO org.apache.hadoop.hbase.master.ServerManager: Waiting on
regionserver(s) to go down mageshv.zohocorpin.com,60020,1312376233494
> 2011-08-03 18:29:23,157 INFO org.apache.hadoop.hbase.master.ServerManager: Waiting on
regionserver(s) to go down mageshv.zohocorpin.com,60020,1312376233494
> 2011-08-03 18:29:24,157 INFO org.apache.hadoop.hbase.master.ServerManager: Waiting on
regionserver(s) to go down mageshv.zohocorpin.com,60020,1312376233494
> 2011-08-03 18:29:25,157 INFO org.apache.hadoop.hbase.master.ServerManager: Waiting on
regionserver(s) to go down mageshv.zohocorpin.com,60020,1312376233494
> 2011-08-03 18:29:26,158 INFO org.apache.hadoop.hbase.master.ServerManager: Waiting on
regionserver(s) to go down mageshv.zohocorpin.com,60020,1312376233494
> 2011-08-03 18:29:27,158 INFO org.apache.hadoop.hbase.master.ServerManager: Waiting on
regionserver(s) to go down mageshv.zohocorpin.com,60020,1312376233494
> 2011-08-03 18:29:28,158 INFO org.apache.hadoop.hbase.master.ServerManager: Waiting on
regionserver(s) to go down mageshv.zohocorpin.com,60020,1312376233494
> 2011-08-03 18:29:29,158 INFO org.apache.hadoop.hbase.master.ServerManager: Waiting on
regionserver(s) to go down mageshv.zohocorpin.com,60020,1312376233494
> 2011-08-03 18:29:30,159 INFO org.apache.hadoop.hbase.master.ServerManager: Waiting on
regionserver(s) to go down mageshv.zohocorpin.com,60020,1312376233494
> 2011-08-03 18:29:31,159 INFO org.apache.hadoop.hbase.master.ServerManager: Waiting on
regionserver(s) to go down mageshv.zohocorpin.com,60020,1312376233494
> 2011-08-03 18:29:32,160 INFO org.apache.hadoop.hbase.master.ServerManager: Waiting on
regionserver(s) to go down mageshv.zohocorpin.com,60020,1312376233494
> 2011-08-03 18:29:33,160 INFO org.apache.hadoop.hbase.master.ServerManager: Waiting on
regionserver(s) to go down mageshv.zohocorpin.com,60020,1312376233494
> 2011-08-03 18:29:34,160 INFO org.apache.hadoop.hbase.master.ServerManager: Waiting on
regionserver(s) to go down mageshv.zohocorpin.com,60020,1312376233494
> 2011-08-03 18:29:35,161 INFO org.apache.hadoop.hbase.master.ServerManager: Waiting on
regionserver(s) to go down mageshv.zohocorpin.com,60020,1312376233494
> 2011-08-03 18:29:36,161 INFO org.apache.hadoop.hbase.master.ServerManager: Waiting on
regionserver(s) to go down mageshv.zohocorpin.com,60020,1312376233494
> 2011-08-03 18:29:37,161 INFO org.apache.hadoop.hbase.master.ServerManager: Waiting on
regionserver(s) to go down mageshv.zohocorpin.com,60020,1312376233494
> 2011-08-03 18:29:38,162 INFO org.apache.hadoop.hbase.master.ServerManager: Waiting on
regionserver(s) to go down mageshv.zohocorpin.com,60020,1312376233494
>
>
> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>
>
> The log in my magesh regionserver is
>
>
>
>
> 2011-08-03 18:28:57,873 INFO org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation:
Closed zookeeper sessionid=0x2318fafe4950005
> 2011-08-03 18:28:57,876 INFO org.apache.zookeeper.ZooKeeper: Session: 0x2318fafe4950005
closed
> 2011-08-03 18:28:57,876 INFO org.apache.zookeeper.ClientCnxn: EventThread shut down
> 2011-08-03 18:28:57,880 INFO org.apache.zookeeper.ZooKeeper: Session: 0x3318faeedc00002
closed
> 2011-08-03 18:28:57,880 INFO org.apache.zookeeper.ClientCnxn: EventThread shut down
> 2011-08-03 18:28:57,882 INFO org.apache.hadoop.hbase.regionserver.HRegionServer: regionserver60020
exiting
> 2011-08-03 18:28:57,883 INFO org.apache.hadoop.hbase.regionserver.ShutdownHook: Shutdown
hook starting; hbase.shutdown.hook=true; fsShutdownHook=Thread[Thread-14,5,main]
> 2011-08-03 18:28:57,883 INFO org.apache.hadoop.hbase.regionserver.HRegionServer: STOPPED:
Shutdown hook
> 2011-08-03 18:28:57,883 INFO org.apache.hadoop.hbase.regionserver.ShutdownHook: Starting
fs shutdown hook thread.
> 2011-08-03 18:28:57,984 INFO org.apache.hadoop.hbase.regionserver.ShutdownHook: Shutdown
hook finished.
>
>
>
>
>
> --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>
>      Thanks in advance.....!
>
>
> Regards,
>
> Shanmuganathan
>
>
>

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