Thank you J-D.
I've checked two datanode log and found the same error. "exceeds the limit of
concurrent xcievers 2047"
[2010-08-31
10:43:26][error][org.apache.hadoop.hdfs.server.datanode.dataxcei...@5a809419][org.apache.hadoop.hdfs.server.datanode.dataxceiver.run(DataXceiver.java:131)]
DatanodeRegistration(192.168.158.172:50010,
storageID=DS-1961101492-192.168.158.172-50010-1273570850144, infoPort=50075,
ipcPort=50020):DataXceiver
java.io.IOException: xceiverCount 2048 exceeds the limit of concurrent xcievers
2047
at
org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:88)
at java.lang.Thread.run(Thread.java:619)
172:
http://pastebin.com/cdw2svHT
177:
http://pastebin.com/iA3jxfuq
Our cluster 4CPU & 6G RAM. is as following:
HBase region server node don't have HDFS. Is this related with the error? Do I
need to increase the xcievers from 2047 --> XX?
Hadoop
192.168.158.176 Master
192.168.158.171 Slave
192.168.158.172 Slave
192.168.158.174 Slave
192.168.158.177 Slave & SNN
192.168.158.180 Slave
192.168.158.186 Slave
HBase Only
192.168.158.179 HMaster & RS & ZK
192.168.158.187 RS & ZK
192.168.158.188 RS & ZK
Thank you in advance.
-- Xiujin Yang.
-----------------------------------------------------------------
My linkedin: http://cn.linkedin.com/in/xiujinyang
> Date: Wed, 1 Sep 2010 10:30:44 -0700
> Subject: Re: Region servers down...
> From: [email protected]
> To: [email protected]
>
> This is errors coming from HDFS, I would start looking at the datanode
> log on the same machine for any exceptions thrown at the same time.
> Also make sure your cluster is properly configured according to the
> last bullet point in the requirements
> http://hbase.apache.org/docs/r0.20.6/api/overview-summary.html#requirements
>
> J-D
>
> 2010/8/31 xiujin yang <[email protected]>:
> >
> >
> > HBase: 0.20.6
> > Hadoop: 0.20.2
> >
> > After I upgrage to 0.20.6,
> > It run no more than one week and one Region server down again.
> >
> > Please check HBase log:
> >
> >
> > http://pastebin.com/J9LugZ17
> >
> >
> >
> > HBase out :
> > http://pastebin.com/QKbpSMwq
> >
> >
> > Thank you in advance.
> >
> > Best,
> >
> > -- Xiujin Yang.
> > -----------------------------------------------------------------
> > My linkedin: http://cn.linkedin.com/in/xiujinyang
> >
> >
> >
> >
