And this is my typical broker config broker.id=0 port:9093 num.network.threads=3 num.io.threads=8 socket.send.buffer.bytes=102400 socket.receive.buffer.bytes=102400 socket.request.max.bytes=104857600 offsets.retention.minutes=360 advertised.host.name=1.1.1.2 advertised.port:9093 ctories under which to store log files log.dirs=C:\\kafka_2.10-0.10.2.0-SNAPSHOT\\data\\kafka-logs num.partitions=1 num.recovery.threads.per.data.dir=1 log.retention.minutes=360 log.segment.bytes=52428800 log.retention.check.interval.ms=300000 log.cleaner.enable=true log.cleanup.policy=delete log.cleaner.min.cleanable.ratio=0.5 log.cleaner.backoff.ms=15000 log.segment.delete.delay.ms=6000 auto.create.topics.enable=false zookeeper.connect=1.1.1.2:2181,1.1.1.3:2182,1.1.1.4:2183 zookeeper.connection.timeout.ms=6000
And this is third consecutive Saturday when it occurred and I have to literally stop all the Kafka producers, delete the respective data directories of all kafka brokers and then start it again :( This does not looks scalable , please try to guide me where I should rack my head ? Courtesy Abhit !wq On Sat, Dec 9, 2017 at 9:23 AM, Abhit Kalsotra <abhit...@gmail.com> wrote: > Guys can I get any reply of help on the same.. this has been occuring very > frequently in my production environment.. Please help.. > > Abhi > > On Dec 6, 2017 13:24, "Abhit Kalsotra" <abhit...@gmail.com> wrote: > >> Hello * >> >> I am running Kafka(*0.10.2.0*) on windows from the past one year ... >> >> But off late there has been unique Broker issues that I have observed 4-5 >> times in >> last 4 months. >> >> Kafka setup cofig... >> >> >> *3 ZK Instances running on 3 different Windows Servers, 7 Kafka Broker >> nodes running on single windows machine with different disk for logs >> directory.... * >> >> *My Kafka has 2 Topics with partition size 50 each , and replication >> factor of 3.* >> >> *My partition logic selection*: Each message has a unique ID and logic >> of selecting partition is ( unique ID % 50), and then calling Kafka >> producer API to route a specific message to a particular topic partition . >> >> But of-late there has been a unique case that's cropping out in Kafka >> broker nodes, >> [2017-12-02 02:47:40,024] ERROR [ReplicaFetcherThread-0-4], Error for >> partition [__consumer_offsets,15] to broker 4:org.apache.kafka.common.erro >> rs.NotLeaderForPartitionException: This server is not the leader for >> that topic-partition. (kafka.server.ReplicaFetcherThread) >> >> The entire server.log is filled with these logs, and its very huge too , >> please help me in understanding under what circumstances these can occur, >> and what measures I need to take.. >> >> Courtesy >> Abhi >> !wq >> >> -- >> >> If you can't succeed, call it version 1.0 >> > -- If you can't succeed, call it version 1.0