Hi Ted/Jean, Can you please help here ?
On Tue, Oct 22, 2013 at 10:29 PM, Vimal Jain <[email protected]> wrote: > Hi Ted, > Yes i checked namenode and datanode logs and i found below exceptions in > both the logs:- > > Name node :- > java.io.IOException: File > /hbase/event_data/433b61f2a4ebff8f2e4b89890508a3b7/.tmp/99797a61a8f7471cb6df8f7b95f18e9e > could only be replicated to 0 nodes, instead of 1 > > java.io.IOException: Got blockReceived message from unregistered or dead > node blk_-2949905629769882833_52274 > > Data node :- > 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=/192.168.20.30:36188] > > 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.io.EOFException: while trying to read 39309 bytes > > > On Tue, Oct 22, 2013 at 10:19 PM, Ted Yu <[email protected]> wrote: > >> bq. java.io.IOException: File /hbase/event_data/ >> 4c3765c51911d6c67037a983d205a010/.tmp/bfaf8df33d5b4068825e3664d3e4b2b0 >> could >> only be replicated to 0 nodes, instead of 1 >> >> Have you checked Namenode / Datanode logs ? >> Looks like hdfs was not stable. >> >> >> On Tue, Oct 22, 2013 at 9:01 AM, Vimal Jain <[email protected]> wrote: >> >> > HI Jean, >> > Thanks for your reply. >> > I have total 8 GB memory and distribution is as follows:- >> > >> > Region server - 2 GB >> > Master,Namenode,Datanode,Secondary Namenode,Zookepeer - 1 GB >> > OS - 1 GB >> > >> > Please let me know if you need more information. >> > >> > >> > On Tue, Oct 22, 2013 at 8:15 PM, Jean-Marc Spaggiari < >> > [email protected]> wrote: >> > >> > > Hi Vimal, >> > > >> > > What are your settings? Memory of the host, and memory allocated for >> the >> > > different HBase services? >> > > >> > > Thanks, >> > > >> > > JM >> > > >> > > >> > > 2013/10/22 Vimal Jain <[email protected]> >> > > >> > > > Hi, >> > > > I am running in Hbase in pseudo distributed mode. ( Hadoop version - >> > > 1.1.2 >> > > > , Hbase version - 0.94.7 ) >> > > > I am getting few exceptions in both hadoop ( namenode , datanode) >> logs >> > > and >> > > > hbase(region server). >> > > > When i search for these exceptions on google , i concluded that >> > problem >> > > is >> > > > mainly due to large number of full GC in region server process. >> > > > >> > > > I used jstat and found that there are total of 950 full GCs in span >> of >> > 4 >> > > > days for region server process.Is this ok? >> > > > >> > > > I am totally confused by number of exceptions i am getting. >> > > > Also i get below exceptions intermittently. >> > > > >> > > > >> > > > Region server:- >> > > > >> > > > 2013-10-22 12:00:26,627 WARN org.apache.hadoop.ipc.HBaseServer: >> > > > (responseTooSlow): >> > > > {"processingtimems":15312,"call":"next(-6681408251916104762, 1000), >> rpc >> > > > version=1, client version=29, >> > methodsFingerPrint=-1368823753","client":" >> > > > 192.168.20.31:48270 >> > > > >> > > > >> > > >> > >> ","starttimems":1382423411293,"queuetimems":0,"class":"HRegionServer","responsesize":4808556,"method":"next"} >> > > > 2013-10-22 12:06:17,606 WARN org.apache.hadoop.ipc.HBaseServer: >> > > > (operationTooSlow): {"processingtimems":14759,"client":" >> > > > 192.168.20.31:48247 >> > > > >> > > > >> > > >> > >> ","timeRange":[0,9223372036854775807],"starttimems":1382423762845,"responsesize":61,"class":"HRegionServer","table":"event_data","cacheBlocks":true,"families":{"ginfo":["netGainPool"]},"row":"1629657","queuetimems":0,"method":"get","totalColumns":1,"maxVersions":1} >> > > > >> > > > 2013-10-18 10:37:45,008 WARN org.apache.hadoop.hdfs.DFSClient: >> > > DataStreamer >> > > > Exception: org.apache.hadoop.ipc.RemoteException: >> java.io.IOException: >> > > File >> > > > >> > > > >> > > >> > >> /hbase/event_data/4c3765c51911d6c67037a983d205a010/.tmp/bfaf8df33d5b4068825e3664d3e4b2b0 >> > > > could only be replicated to 0 nodes, instead of 1 >> > > > at >> > > > >> > > > >> > > >> > >> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:1639) >> > > > >> > > > Name node :- >> > > > java.io.IOException: File >> > > > >> > > > >> > > >> > >> /hbase/event_data/433b61f2a4ebff8f2e4b89890508a3b7/.tmp/99797a61a8f7471cb6df8f7b95f18e9e >> > > > could only be replicated to 0 nodes, instead of 1 >> > > > >> > > > java.io.IOException: Got blockReceived message from unregistered or >> > dead >> > > > node blk_-2949905629769882833_52274 >> > > > >> > > > Data node :- >> > > > 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=/ >> > > > 192.168.20.30:36188] >> > > > >> > > > 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.io.EOFException: while trying to read 39309 bytes >> > > > >> > > > >> > > > -- >> > > > Thanks and Regards, >> > > > Vimal Jain >> > > > >> > > >> > >> > >> > >> > -- >> > Thanks and Regards, >> > Vimal Jain >> > >> > > > > -- > Thanks and Regards, > Vimal Jain > -- Thanks and Regards, Vimal Jain
