This is the topic used and created by Kafka internally to store consumer offsets while use consumer programs running.
Thank you, Naresh On Sun, Feb 4, 2018 at 1:38 PM Ted Yu <yuzhih...@gmail.com> wrote: > 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 > > > > > > > > >
