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From Ben Cuthbert <bencuthb...@ymail.com>
Subject Re: forcing offline
Date Sun, 20 May 2012 15:56:42 GMT
I will try again as I did not run that. I just saw this error when trying to use hbase-explorer
to connect. 


On 20 May 2012, at 16:02, Michael Segel wrote:

> What did you see when you ran the HBase shell's status? 
> Did you run status w higher details?
> (see status help)
> 
> 
> On May 20, 2012, at 2:12 AM, Ben Cuthbert wrote:
> 
>> All
>> 
>> We run a load test and after about 3 hours our application stopped. Check the logs
I see this in the hbase-master log
>> 
>> 2012-05-20 08:08:17,251 INFO org.apache.hadoop.hbase.master.AssignmentManager: Region
has been OFFLINE for too long, reassigning -ROOT-,,0.70236052 to a random server
>> 2012-05-20 08:08:17,252 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Forcing
OFFLINE; was=.META.,,1.1028785192 state=OFFLINE, ts=1337497517243
>> 2012-05-20 08:08:17,252 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Forcing
OFFLINE; was=-ROOT-,,0.70236052 state=OFFLINE, ts=1337497517243
>> 2012-05-20 08:10:10,309 INFO org.apache.zookeeper.server.NIOServerCnxn: Accepted
socket connection from /0:0:0:0:0:0:0:1%0:62747
>> 2012-05-20 08:10:10,315 INFO org.apache.zookeeper.server.NIOServerCnxn: Client attempting
to establish new session at /0:0:0:0:0:0:0:1%0:62747
>> 2012-05-20 08:10:10,316 INFO org.apache.zookeeper.server.NIOServerCnxn: Established
session 0x137653a0e8e02fa with negotiated timeout 40000 for client /0:0:0:0:0:0:0:1%0:62747
>> 2012-05-20 08:10:10,316 INFO org.apache.zookeeper.server.PrepRequestProcessor: Got
user-level KeeperException when processing sessionid:0x137653a0e8e02fa type:create cxid:0x1
zxid:0xfffffffffffffffe txntype:unknown reqpath:n/a Error Path:/hbase Error:KeeperErrorCode
= NodeExists for /hbase
>> 2012-05-20 08:10:10,329 INFO org.apache.zookeeper.server.PrepRequestProcessor: Got
user-level KeeperException when processing sessionid:0x137653a0e8e02fa type:create cxid:0x2
zxid:0xfffffffffffffffe txntype:unknown reqpath:n/a Error Path:/hbase/unassigned Error:KeeperErrorCode
= NodeExists for /hbase/unassigned
>> 2012-05-20 08:10:10,329 INFO org.apache.zookeeper.server.PrepRequestProcessor: Got
user-level KeeperException when processing sessionid:0x137653a0e8e02fa type:create cxid:0x3
zxid:0xfffffffffffffffe txntype:unknown reqpath:n/a Error Path:/hbase/rs Error:KeeperErrorCode
= NodeExists for /hbase/rs
>> 2012-05-20 08:10:10,330 INFO org.apache.zookeeper.server.PrepRequestProcessor: Got
user-level KeeperException when processing sessionid:0x137653a0e8e02fa type:create cxid:0x4
zxid:0xfffffffffffffffe txntype:unknown reqpath:n/a Error Path:/hbase/table Error:KeeperErrorCode
= NodeExists for /hbase/table
>> 
>> 
>> Hadoop seems to be up and running.
>> 
>> last log in the datanode is
>> 
>> 12/05/20 06:15:25 INFO datanode.DataBlockScanner: Verification succeeded for blk_-3639294708473848144_3329
>> 12/05/20 06:26:20 INFO datanode.DataBlockScanner: Verification succeeded for blk_2502932128500788221_3413
>> 12/05/20 06:26:20 INFO datanode.DataBlockScanner: Verification succeeded for blk_3390059684225099859_3440
>> 12/05/20 06:59:32 INFO datanode.DataNode: BlockReport of 157 blocks took 19 msec
to generate and 3 msecs for RPC and NN processing
>> 12/05/20 07:24:51 INFO datanode.DataBlockScanner: Verification succeeded for blk_8954400942867609419_3363
>> 12/05/20 07:55:51 INFO datanode.DataBlockScanner: Verification succeeded for blk_-3650918785526360502_3387
>> 12/05/20 07:59:33 INFO datanode.DataNode: BlockReport of 157 blocks took 20 msec
to generate and 3 msecs for RPC and NN processing
>> 12/05/20 08:07:25 INFO datanode.DataBlockScanner: Verification succeeded for blk_786514597978592338_3336
>> 
>> I tried using hbase-explorer to view the tables but they all seem to down.
> 


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