Thanks, Jun.
On Sat, Nov 2, 2013 at 8:31 PM, Jun Rao <[email protected]> wrote: > The # of required open file handlers is # client socket connections + # log > segment and index files. > > Thanks, > > Jun > > > On Fri, Nov 1, 2013 at 10:28 PM, Kane Kane <[email protected]> wrote: > >> I had only 1 topic with 45 partitions replicated across 3 brokers. >> After several hours of uploading some data to kafka 1 broker died with >> the following exception. >> I guess i can fix it raising limit for open files, but I wonder how it >> happened under described circumstances. >> >> >> [2013-11-02 00:19:14,862] INFO Reconnect due to socket error: null >> (kafka.consumer.SimpleConsumer) >> [2013-11-02 00:19:14,706] INFO Reconnect due to socket error: null >> (kafka.consumer.SimpleConsumer) >> >> [2013-11-02 00:19:05,150] INFO Reconnect due to socket error: null >> (kafka.consumer.SimpleConsumer) >> [2013-11-02 00:09:08,569] FATAL [ReplicaFetcherThread-0-2], Disk error >> while replicating data. (kafka.server.ReplicaFetcherThread) >> kafka.common.KafkaStorageException: I/O exception in append to log >> 'perf1-4' >> at kafka.log.Log.append(Unknown Source) >> at kafka.server.ReplicaFetcherThread.processPartitionData(Unknown >> Source) >> at >> kafka.server.AbstractFetcherThread$$anonfun$processFetchRequest$1$$anonfun$apply$mcV$sp$2.apply(Unknown >> Source) >> at >> kafka.server.AbstractFetcherThread$$anonfun$processFetchRequest$1$$anonfun$apply$mcV$sp$2.apply(Unknown >> Source) >> at >> scala.collection.immutable.HashMap$HashMap1.foreach(HashMap.scala:224) >> at >> scala.collection.immutable.HashMap$HashTrieMap.foreach(HashMap.scala:403) >> at >> kafka.server.AbstractFetcherThread$$anonfun$processFetchRequest$1.apply$mcV$sp(Unknown >> Source) >> at >> kafka.server.AbstractFetcherThread$$anonfun$processFetchRequest$1.apply(Unknown >> Source) >> at >> kafka.server.AbstractFetcherThread$$anonfun$processFetchRequest$1.apply(Unknown >> Source) >> at kafka.utils.Utils$.inLock(Unknown Source) >> at kafka.server.AbstractFetcherThread.processFetchRequest(Unknown >> Source) >> at kafka.server.AbstractFetcherThread.doWork(Unknown Source) >> at kafka.utils.ShutdownableThread.run(Unknown Source) >> Caused by: java.io.FileNotFoundException: >> /disk1/kafka-logs/perf1-4/00000000000000010558.index (Too many open >> files) >> at java.io.RandomAccessFile.open(Native Method) >> at java.io.RandomAccessFile.<init>(RandomAccessFile.java:241) >> at kafka.log.OffsetIndex$$anonfun$resize$1.apply(Unknown Source) >> at kafka.log.OffsetIndex$$anonfun$resize$1.apply(Unknown Source) >> at kafka.utils.Utils$.inLock(Unknown Source) >> at kafka.log.OffsetIndex.resize(Unknown Source) >> at >> kafka.log.OffsetIndex$$anonfun$trimToValidSize$1.apply$mcV$sp(Unknown >> Source) >> at kafka.log.OffsetIndex$$anonfun$trimToValidSize$1.apply(Unknown >> Source) >> at kafka.log.OffsetIndex$$anonfun$trimToValidSize$1.apply(Unknown >> Source) >> at kafka.utils.Utils$.inLock(Unknown Source) >> at kafka.log.OffsetIndex.trimToValidSize(Unknown Source) >> at kafka.log.Log.roll(Unknown Source) >> at kafka.log.Log.maybeRoll(Unknown Source) >>
