Hi Neha, How can I enable all kafka consumer log in senseidb? Btw: I am using kafka 0.7.2 java client.
2013/3/19 Neha Narkhede <neha.narkh...@gmail.com> > The logs show that senseidb is prematurely closing the socket connection to > the Kafka broker. I would enable atleast INFLO logging for Kafka in > Senseidb to see what the issue is. > > Thanks, > Neha > > On Monday, March 18, 2013, Yonghui Zhao wrote: > > > Thanks Neha, > > > > I use one kafka server with 4 partitions and 3 consumers(senseidb). > > > > Kafka server producer input rate is about 10k. > > And each consumer consuming rate is about 3k. > > > > I see this exceptions many times, kafka has this exception on each > > consumers, but I didn't find error log in consumer side, > consumer(senseidb) > > is alive all the time. > > Is it possible the exception is related with high input/output rate? > > > > And some times another exception(*Connection reset by peer*) happened. > > > > [2013-03-18 21:18:29,107] ERROR Closing socket for /10.2.201.203 because > > of error (kafka.network.Processor) > > java.io.IOException: Connection reset by peer > > at sun.nio.ch.FileChannelImpl.**transferTo0(Native Method) > > at sun.nio.ch.FileChannelImpl.**transferToDirectly(** > > FileChannelImpl.java:456) > > at > sun.nio.ch.FileChannelImpl.**transferTo(FileChannelImpl.**java:557) > > at kafka.message.FileMessageSet.**writeTo(FileMessageSet.scala:**102) > > at kafka.server.MessageSetSend.**writeTo(MessageSetSend.scala:**53) > > at kafka.network.MultiSend.**writeTo(Transmission.scala:91) > > at kafka.network.Processor.write(**SocketServer.scala:339) > > at kafka.network.Processor.run(**SocketServer.scala:216) > > at java.lang.Thread.run(Thread.**java:679) > > > > > > > > Btw: the log is full of "*Closing socket connection*", is it normal? > > > > From the code each "Closing" log should correspond to one exception > > > > In SocketServer.scala: > > > > *catch {** > > ** case e: EOFException => {** > > ** logger.info("Closing socket connection to > > %s.".format(channelFor(key).**socket.getInetAddress))** > > ** close(key)** > > ** }** > > * > > > > [2013-03-18 21:28:42,791] INFO *Closing socket connection* to / > > 10.2.201.201. (kafka.network.Processor) > > [2013-03-18 21:28:43,954] INFO *Closing socket connection* to / > > 10.2.201.201. (kafka.network.Processor) > > [2013-03-18 21:28:45,322] INFO *Closing socket connection* to / > > 10.2.201.201. (kafka.network.Processor) > > [2013-03-18 21:28:47,045] INFO *Closing socket connection *to / > > 10.2.201.201. (kafka.network.Processor) > > [2013-03-18 21:28:50,110] ERROR Closing socket for /10.2.201.201 because > > of error (kafka.network.Processor) > > java.io.IOException: Broken pipe > > at sun.nio.ch.FileChannelImpl.**transferTo0(Native Method) > > at sun.nio.ch.FileChannelImpl.**transferToDirectly(** > > FileChannelImpl.java:456) > > at > sun.nio.ch.FileChannelImpl.**transferTo(FileChannelImpl.**java:557) > > at kafka.message.FileMessageSet.**writeTo(FileMessageSet.scala:**102) > > at kafka.server.MessageSetSend.**writeTo(MessageSetSend.scala:**53) > > at kafka.network.MultiSend.**writeTo(Transmission.scala:91) > > at kafka.network.Processor.write(**SocketServer.scala:339) > > at kafka.network.Processor.run(**SocketServer.scala:216) > > at java.lang.Thread.run(Thread.**java:679) > > > > > > > > From the error it seems that the server was not able to write the fetch > > response on the socket since the socket was closed. Do you see any errors > > on the consumer on 10.2.201.20 <http://10.2.201.202/> ? The consumer > > could've > > closed the socket due to some error or could've died. > > > > Thanks, > > Neha > > - Hide quoted text - <http://grokbase.com/t/kafka/** > > users/133fwd3r91/java-io-**ioexception-broken-pipe#< > http://grokbase.com/t/kafka/users/133fwd3r91/java-io-ioexception-broken-pipe# > >> > > > > On Friday, March 15, 2013, Yonghui Zhao wrote: > > > > This exception happened many times in high through put in kafka 0.7.2 > > > > [2013-03-15 17:27:16,691] ERROR Closing socket for /10.2.201.202 because > > of > > error (kafka.network.Processor) > > java.io.IOException: Broken pipe > > at sun.nio.ch.FileChannelImpl.**transferTo0(Native Method) > > at > > sun.nio.ch.FileChannelImpl.**transferToDirectly(** > > FileChannelImpl.java:456) > > at sun.nio.ch.FileChannelImpl.**transferTo(FileChannelImpl.**java:557) > > at kafka.message.FileMessageSet.**writeTo(FileMessageSet.scala:**102) > > at kafka.server.MessageSetSend.**writeTo(MessageSetSend.scala:**53) > > at kafka.network.MultiSend.**writeTo(Transmission.scala:91) > > at kafka.network.Processor.write(**SocketServer.scala:339) > > at kafka.network.Processor.run(**SocketServer.scala:216) > > at java.lang.Thread.run(Thread.**java:679) > > > > > > It seems it doesn't matter much. > > > > I want to know if we need take actions if we see this exception. > > >