Hi, all Recently, I upgrade my Kafka cluster to 0.8.1.1 and set replication with num.replica.fetchers=5. Last night, there's something wrong with the network. Soon, I found the server.log files (not data log!) on every node reached 4GB in an hour. I am not sure if it's my inappropriate configuration or other reason. Can anybody help me with this. Thanks~
log file tail ============================================ [2014-10-16 20:59:59,994] ERROR Closing socket for /192.168.1.66 because of error (kafka.network.Processor) kafka.common.KafkaException: This operation cannot be completed on a complete request. at kafka.network.Transmission$class.expectIncomplete(Transmission.scala:34) at kafka.api.FetchResponseSend.expectIncomplete(FetchResponse.scala:191) at kafka.api.FetchResponseSend.writeTo(FetchResponse.scala:214) at kafka.network.Processor.write(SocketServer.scala:375) at kafka.network.Processor.run(SocketServer.scala:247) at java.lang.Thread.run(Thread.java:745) [2014-10-16 20:59:59,994] ERROR Closing socket for /192.168.1.66 because of error (kafka.network.Processor) kafka.common.KafkaException: This operation cannot be completed on a complete request. at kafka.network.Transmission$class.expectIncomplete(Transmission.scala:34) at kafka.api.FetchResponseSend.expectIncomplete(FetchResponse.scala:191) at kafka.api.FetchResponseSend.writeTo(FetchResponse.scala:214) at kafka.network.Processor.write(SocketServer.scala:375) at kafka.network.Processor.run(SocketServer.scala:247) at java.lang.Thread.run(Thread.java:745) [2014-10-16 20:59:59,994] ERROR Closing socket for /192.168.1.65 because of error (kafka.network.Processor) kafka.common.KafkaException: This operation cannot be completed on a complete request. at kafka.network.Transmission$class.expectIncomplete(Transmission.scala:34) at kafka.api.FetchResponseSend.expectIncomplete(FetchResponse.scala:191) at kafka.api.FetchResponseSend.writeTo(FetchResponse.scala:214) at kafka.network.Processor.write(SocketServer.scala:375) at kafka.network.Processor.run(SocketServer.scala:247) at java.lang.Thread.run(Thread.java:745) -- *Xingcan*