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From Jack Levin <magn...@gmail.com>
Subject Re: 0.90.3
Date Tue, 24 May 2011 23:04:29 GMT
img645.prod.imageshack.us and img645.imageshack.us are both point to
the same IP.

-Jack

On Tue, May 24, 2011 at 3:50 PM, Jack Levin <magnito@gmail.com> wrote:
> looks like our balancer is on:
>
> hbase(main):001:0> balance_switch true
> true
> 0 row(s) in 0.3700 seconds
>
> I simply kill PID for RS, and it stays on the list with regions
> assigned, and master does not know about it.
>
> So it still does not work.
>
> -Jack
>
> On Tue, May 24, 2011 at 3:43 PM, Dave Latham <latham@davelink.net> wrote:
>> Are you using the graceful_stop script?
>>
>> In 0.90.3 the bin/graceful_stop.sh script was updated to disable the
>> master's balancer.  However, it doesn't seem that anything re-enables it, so
>> if you're using it you need to re-enable it on your own.  See the book for
>> more details:
>> http://hbase.apache.org/book.html#decommission
>>
>> Dave
>>
>> On Tue, May 24, 2011 at 3:33 PM, Jack Levin <magnito@gmail.com> wrote:
>>
>>> just put new hbase version on our test cluster. and been testing it...
>>> so far if I shutdown an RS, master does not reassign its regions, and
>>> we remain inconsistent forerver, likewise when new RS is up, it does
>>> not get regions assigned to it, this is the master log:
>>>
>>>
>>> 2011-05-24 15:30:57,724 DEBUG
>>> org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher:
>>> master:60000-0x1302094818900a4-0x1302094818900a4 Received ZooKeeper
>>> Event, type=NodeDeleted, state=SyncConnected,
>>> path=/hbase/rs/img645.prod.imageshack.com,60020,1306276075768
>>> 2011-05-24 15:30:57,724 INFO
>>> org.apache.hadoop.hbase.zookeeper.RegionServerTracker: RegionServer
>>> ephemeral node deleted, processing expiration
>>> [img645.prod.imageshack.com,60020,1306276075768]
>>> 2011-05-24 15:30:57,724 INFO
>>> org.apache.hadoop.hbase.zookeeper.RegionServerTracker: No HServerInfo
>>> found for img645.prod.imageshack.com,60020,1306276075768
>>> 2011-05-24 15:30:57,726 DEBUG
>>> org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher:
>>> master:60000-0x1302094818900a4-0x1302094818900a4 Received ZooKeeper
>>> Event, type=NodeChildrenChanged, state=SyncConnected, path=/hbase/rs
>>> 2011-05-24 15:31:03,330 DEBUG
>>> org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher:
>>> master:60000-0x1302094818900a4-0x1302094818900a4 Received ZooKeeper
>>> Event, type=NodeChildrenChanged, state=SyncConnected, path=/hbase/rs
>>> 2011-05-24 15:31:03,338 DEBUG
>>> org.apache.hadoop.hbase.zookeeper.ZKUtil:
>>> master:60000-0x1302094818900a4-0x1302094818900a4 Retrieved 32 byte(s)
>>> of data from znode
>>> /hbase/rs/img645.prod.imageshack.com,60020,1306276262774 and set
>>> watcher; img645.prod.imageshack.com:60020
>>> 2011-05-24 15:31:03,350 INFO
>>> org.apache.hadoop.hbase.master.ServerManager: Server start rejected;
>>> we already have img645.imageshack.us:60020 registered;
>>> existingServer=serverName=img645.imageshack.us,60020,1306276075768,
>>> load=(requests=0, regions=0, usedHeap=40, maxHeap=3995),
>>> newServer=serverName=img645.imageshack.us,60020,1306276262774,
>>> load=(requests=0, regions=0, usedHeap=23, maxHeap=3995)
>>> 2011-05-24 15:31:03,350 INFO
>>> org.apache.hadoop.hbase.master.ServerManager: Triggering server
>>> recovery; existingServer img645.imageshack.us,60020,1306276075768
>>> looks stale
>>> 2011-05-24 15:31:03,353 DEBUG
>>> org.apache.hadoop.hbase.master.ServerManager:
>>> Added=img645.imageshack.us,60020,1306276075768 to dead servers,
>>> submitted shutdown handler to be executed, root=false, meta=false
>>> 2011-05-24 15:31:03,353 INFO
>>> org.apache.hadoop.hbase.master.handler.ServerShutdownHandler:
>>> Splitting logs for img645.imageshack.us,60020,1306276075768
>>> 2011-05-24 15:31:04,348 INFO
>>> org.apache.hadoop.hbase.master.handler.ServerShutdownHandler:
>>> Reassigning 0 region(s) that img645.imageshack.us,60020,1306276075768
>>> was carrying (skipping 0 regions(s) that are already in transition)
>>> 2011-05-24 15:31:04,348 INFO
>>> org.apache.hadoop.hbase.master.handler.ServerShutdownHandler: Finished
>>> processing of shutdown of img645.imageshack.us,60020,1306276075768
>>> 2011-05-24 15:31:06,333 DEBUG
>>> org.apache.hadoop.hbase.master.ServerManager: Server
>>> img645.imageshack.us,60020,1306276262774 came back up, removed it from
>>> the dead servers list
>>> 2011-05-24 15:31:06,333 INFO
>>> org.apache.hadoop.hbase.master.ServerManager: Registering
>>> server=img645.imageshack.us,60020,1306276262774, regionCount=0,
>>> userLoad=false
>>> 2011-05-24 15:31:49,890 DEBUG
>>> org.apache.hadoop.hbase.zookeeper.ZKUtil: hconnection opening
>>> connection to ZooKeeper with ensemble (img648:2181)
>>> 2011-05-24 15:31:49,890 INFO org.apache.zookeeper.ZooKeeper:
>>> Initiating client connection, connectString=img648:2181
>>> sessionTimeout=180000 watcher=hconnection
>>> 2011-05-24 15:31:49,891 INFO org.apache.zookeeper.ClientCnxn: Opening
>>> socket connection to server img648/38.99.76.205:2181
>>> 2011-05-24 15:31:49,892 INFO org.apache.zookeeper.ClientCnxn: Socket
>>> connection established to img648/38.99.76.205:2181, initiating session
>>> 2011-05-24 15:31:49,893 INFO org.apache.zookeeper.ClientCnxn: Session
>>> establishment complete on server img648/38.99.76.205:2181, sessionid =
>>> 0x13024216e690004, negotiated timeout = 180000
>>> 2011-05-24 15:31:49,894 DEBUG
>>> org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher: hconnection
>>> Received ZooKeeper Event, type=None, state=SyncConnected, path=null
>>> 2011-05-24 15:31:49,895 DEBUG
>>> org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher:
>>> hconnection-0x13024216e690004 connected
>>> 2011-05-24 15:31:49,896 DEBUG
>>> org.apache.hadoop.hbase.zookeeper.ZKUtil:
>>> hconnection-0x13024216e690004 Set watcher on existing znode
>>> /hbase/master
>>> 2011-05-24 15:31:49,896 DEBUG
>>> org.apache.hadoop.hbase.zookeeper.ZKUtil:
>>> hconnection-0x13024216e690004 Retrieved 32 byte(s) of data from znode
>>> /hbase/master and set watcher; img648.prod.imageshack.com:60000
>>> 2011-05-24 15:31:49,897 DEBUG
>>> org.apache.hadoop.hbase.zookeeper.ZKUtil:
>>> hconnection-0x13024216e690004 Set watcher on existing znode
>>> /hbase/root-region-server
>>> 2011-05-24 15:31:49,897 DEBUG
>>> org.apache.hadoop.hbase.zookeeper.ZKUtil:
>>> hconnection-0x13024216e690004 Retrieved 26 byte(s) of data from znode
>>> /hbase/root-region-server and set watcher; img731.imageshack.us:60020
>>> 2011-05-24 15:31:49,900 DEBUG
>>> org.apache.hadoop.hbase.client.MetaScanner: Scanning .META. starting
>>> at row= for max=2147483647 rows
>>> 2011-05-24 15:31:49,900 DEBUG
>>>
>>> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation:
>>> Lookedup root region location,
>>>
>>> connection=org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation@26f50154
>>> ;
>>> hsa=img731.imageshack.us:60020
>>> 2011-05-24 15:31:49,913 DEBUG
>>>
>>> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation:
>>> Cached location for .META.,,1.1028785192 is img654.imageshack.us:60020
>>> 2011-05-24 15:31:50,061 INFO
>>>
>>> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation:
>>> Closed zookeeper sessionid=0x13024216e690004
>>> 2011-05-24 15:31:50,063 INFO org.apache.zookeeper.ZooKeeper: Session:
>>> 0x13024216e690004 closed
>>> 2011-05-24 15:31:50,063 INFO org.apache.zookeeper.ClientCnxn:
>>> EventThread shut down
>>>
>>> Please help :)
>>>
>>> -Jack
>>>
>>
>

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