Which Kafka version are you using ? Older versions of kafka (0.10 and prior) had some bugs in the log-cleaner thread that might sometimes cause it to crash.
Please check the log-cleaner.log file to see if there was some clue. Cheers On Sun, Feb 4, 2018 at 11:14 AM, adrien ruffie <adriennolar...@hotmail.fr> wrote: > Hello all, > > > I'm a beginner in Kafka and this morning when I try some tests and when > running this following cmd: > > ./bin kafka-topics.sh --zookeeper localhost:2181 --describe > > > I understand my 3 created topic like "customer-topic", > "streams-plaintext-input", and "streams-wordcount-output" > > > But I already get this following output, why __consumer_offsets have 50 > partitions ! I never created it ... do you know this beavior ? > > > Topic:__consumer_offsets PartitionCount:50 > ReplicationFactor:1 Configs:segment.bytes=104857600,cleanup.policy= > compact,compression.type=produ$ > Topic: __consumer_offsets Partition: 0 Leader: 0 > Replicas: 0 Isr: 0 > Topic: __consumer_offsets Partition: 1 Leader: 0 > Replicas: 0 Isr: 0 > Topic: __consumer_offsets Partition: 2 Leader: 0 > Replicas: 0 Isr: 0 > Topic: __consumer_offsets Partition: 3 Leader: 0 > Replicas: 0 Isr: 0 > Topic: __consumer_offsets Partition: 4 Leader: 0 > Replicas: 0 Isr: 0 > Topic: __consumer_offsets Partition: 5 Leader: 0 > Replicas: 0 Isr: 0 > .... > Topic: __consumer_offsets Partition: 49 Leader: 0 > Replicas: 0 Isr: 0 > > > Topic:customer-topic PartitionCount:1 ReplicationFactor:1 > Configs: > Topic: customer-topic Partition: 0 Leader: 0 Replicas: > 0 Isr: 0 > Topic:streams-plaintext-input PartitionCount:1 > ReplicationFactor:1 Configs: > Topic: streams-plaintext-input Partition: 0 Leader: 0 > Replicas: 0 Isr: 0 > Topic:streams-wordcount-output PartitionCount:1 > ReplicationFactor:1 Configs:cleanup.policy=compact > Topic: streams-wordcount-output Partition: 0 Leader: 0 > Replicas: 0 Isr: 0 > > > Thank and bests regards, > > Adrien > > > >