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HBase, mail # user - Exception in data node log


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Re: Exception in data node log
Jean-Marc Spaggiari 2014-02-05, 18:33
So you might want to test your HDFS installation first before loading
HBase. You might want to try teragen/terasort and tools like that to
produce load and see if it's table.

JM
2014-02-05 Vimal Jain <[EMAIL PROTECTED]>:

> Hi Jean,
> These are from data node logs. ( HDFS )
>
>
> On Sat, Feb 1, 2014 at 7:26 AM, Jean-Marc Spaggiari <
> [EMAIL PROTECTED]
> > wrote:
>
> > Hi Vimal,
> >
> > Are those logs into HBase logs? Or into HDFS logs? Sound like you have
> some
> > HDFS issues (slow disks, or running on VM, etc.)
> >
> > JM
> >
> >
> > 2014-01-31 Vimal Jain <[EMAIL PROTECTED]>:
> >
> > > Hi,
> > > I have set up hbase in pseudo distributed mode.
> > > I keep on getting below exceptions in data node log.
> > > Is it a problem ?
> > >
> > > ( Hadoop version - 1.1.2 , Hbase version - 0.94.7 )
> > >
> > > Please help.
> > >
> > >
> > > java.net.SocketTimeoutException: 480000 millis timeout while waiting
> for
> > > channel to be ready for write. ch :
> > > java.nio.channels.SocketChannel[connected local=/192.168.20.30:50010
> > > remote=/
> > > 192.168.20.30:38188]
> > >         at
> > >
> > >
> >
> org.apache.hadoop.net.SocketIOWithTimeout.waitForIO(SocketIOWithTimeout.java:246)
> > >         at
> > >
> > >
> >
> org.apache.hadoop.net.SocketOutputStream.waitForWritable(SocketOutputStream.java:159)
> > >         at
> > >
> > >
> >
> org.apache.hadoop.net.SocketOutputStream.transferToFully(SocketOutputStream.java:198)
> > >         at
> > >
> > >
> >
> org.apache.hadoop.hdfs.server.datanode.BlockSender.sendChunks(BlockSender.java:392)
> > >         at
> > >
> > >
> >
> org.apache.hadoop.hdfs.server.datanode.BlockSender.sendBlock(BlockSender.java:490)
> > >         at
> > >
> > >
> >
> org.apache.hadoop.hdfs.server.datanode.DataXceiver.readBlock(DataXceiver.java:202)
> > >         at
> > >
> > >
> >
> org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:104)
> > >         at java.lang.Thread.run(Thread.java:662)
> > >
> > > 2014-01-31 00:10:28,951 ERROR
> > > org.apache.hadoop.hdfs.server.datanode.DataNode: DatanodeRegistration(
> > > 192.168.20.30:50010,
> > > storageID=DS-1816106352-192.168.20.30-50010-1369314076237,
> > infoPort=50075,
> > > ipcPort=50020):DataXceiver
> > > java.net.SocketTimeoutException: 480000 millis timeout while waiting
> for
> > > channel to be ready for write. ch :
> > > java.nio.channels.SocketChannel[connected local=/192.168.20.30:50010
> > > remote=/
> > > 192.168.20.30:38188]
> > >         at
> > >
> > >
> >
> org.apache.hadoop.net.SocketIOWithTimeout.waitForIO(SocketIOWithTimeout.java:246)
> > >         at
> > >
> > >
> >
> org.apache.hadoop.net.SocketOutputStream.waitForWritable(SocketOutputStream.java:159)
> > >         at
> > >
> > >
> >
> org.apache.hadoop.net.SocketOutputStream.transferToFully(SocketOutputStream.java:198)
> > >         at
> > >
> > >
> >
> org.apache.hadoop.hdfs.server.datanode.BlockSender.sendChunks(BlockSender.java:392)
> > >         at
> > >
> > >
> >
> org.apache.hadoop.hdfs.server.datanode.BlockSender.sendBlock(BlockSender.java:490)
> > >         at
> > >
> > >
> >
> org.apache.hadoop.hdfs.server.datanode.DataXceiver.readBlock(DataXceiver.java:202)
> > >         at
> > >
> > >
> >
> org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:104)
> > >         at java.lang.Thread.run(Thread.java:662)
> > >
> > > --
> > > Thanks and Regards,
> > > Vimal Jain
> > >
> >
>
>
>
> --
> Thanks and Regards,
> Vimal Jain
>