looks like these logs coming immediately after topic creation. did you see any data loss? otherwise, these should be normal.
On Fri, Jul 14, 2017 at 5:02 PM, mosto...@gmail.com <mosto...@gmail.com> wrote: > we are using a local ZFS > > > > On 14/07/17 13:31, Tom Crayford wrote: > >> Hi, >> >> Which folder are you storing kafka's data in? By default that's /tmp, >> which >> might be getting wiped by your OS. >> >> Thanks >> >> Tom Crayford >> Heroku Kafka >> >> On Fri, Jul 14, 2017 at 11:50 AM, mosto...@gmail.com <mosto...@gmail.com> >> wrote: >> >> anyone? >>> >>> >>> >>> On 13/07/17 17:09, mosto...@gmail.com wrote: >>> >>> Hi >>>> >>>> With swiss precission, our kafka test environment seems to truncate >>>> topics at o'clock hours. >>>> >>>> This might be confirmed with the following trace, which states >>>> "Truncating log ... to offset 0" >>>> >>>> We are still using Kafka 0.10.2.1, but I was wondering if this is >>>> resolved in recent versions, it's a know bug or just a misconfiguration >>>> (I >>>> think it is shown below). >>>> >>>> Thanks >>>> >>>> Jul 13 16:00:00 computer kafka[28511]: [2017-07-13 16:00:00,986] >>>> INFO [TopicChangeListener on Controller 1002]: New topics: >>>> [Set(mytopic.2017-07-13-16)], deleted topics: [Set()], new >>>> partition replica assignment [Map([mytopic.2017-07-13-16,0] -> >>>> List(1001, 1002), [mytopic.2017-07-13-16,2] -> List(1003, 1001), >>>> [mytopic.2017-07-13-16,1] -> List(1002, 1003))] >>>> (kafka.controller.PartitionStateMachine$TopicChangeListener) >>>> Jul 13 16:00:00 computer kafka[28511]: [2017-07-13 16:00:00,987] >>>> INFO [Controller 1002]: New topic creation callback for >>>> [mytopic.2017-07-13-16,0],[mytopic.2017-07-13-16,2],[mytopic. >>>> 2017-07-13-16,1] >>>> (kafka.controller.KafkaController) >>>> Jul 13 16:00:00 computer kafka[28511]: [2017-07-13 16:00:00,988] >>>> INFO [Controller 1002]: New partition creation callback for >>>> [mytopic.2017-07-13-16,0],[mytopic.2017-07-13-16,2],[mytopic. >>>> 2017-07-13-16,1] >>>> (kafka.controller.KafkaController) >>>> Jul 13 16:00:00 computer kafka[28511]: [2017-07-13 16:00:00,988] >>>> INFO [Partition state machine on Controller 1002]: Invoking state >>>> change to NewPartition for partitions >>>> [mytopic.2017-07-13-16,0],[mytopic.2017-07-13-16,2],[mytopic. >>>> 2017-07-13-16,1] >>>> (kafka.controller.PartitionStateMachine) >>>> Jul 13 16:00:00 computer kafka[28511]: [2017-07-13 16:00:00,988] >>>> INFO [Replica state machine on controller 1002]: Invoking state >>>> change to NewReplica for replicas >>>> [Topic=mytopic.2017-07-13-16,Partition=1,Replica=1003],[ >>>> Topic=mytopic.2017-07-13-16,Partition=0,Replica=1001],[Topic=mytopic. >>>> 2017-07-13-16,Partition=2,Replica=1001],[Topic=mytopic.2017-07-13-16,Pa >>>> rtition=1,Replica=1002],[Topic=mytopic.2017-07-13-16, >>>> Partition=2,Replica=1003],[Topic=mytopic.2017-07-13-16, >>>> Partition=0,Replica=1002] >>>> (kafka.controller.ReplicaStateMachine) >>>> Jul 13 16:00:00 computer kafka[28511]: [2017-07-13 16:00:00,993] >>>> INFO [Partition state machine on Controller 1002]: Invoking state >>>> change to OnlinePartition for partitions >>>> [mytopic.2017-07-13-16,0],[mytopic.2017-07-13-16,2],[mytopic. >>>> 2017-07-13-16,1] >>>> (kafka.controller.PartitionStateMachine) >>>> Jul 13 16:00:01 computer kafka[28511]: [2017-07-13 16:00:01,036] >>>> INFO [Replica state machine on controller 1002]: Invoking state >>>> change to OnlineReplica for replicas >>>> [Topic=mytopic.2017-07-13-16,Partition=1,Replica=1003],[ >>>> Topic=mytopic.2017-07-13-16,Partition=0,Replica=1001],[Topic=mytopic. >>>> 2017-07-13-16,Partition=2,Replica=1001],[Topic=mytopic.2017-07-13-16,Pa >>>> rtition=1,Replica=1002],[Topic=mytopic.2017-07-13-16, >>>> Partition=2,Replica=1003],[Topic=mytopic.2017-07-13-16, >>>> Partition=0,Replica=1002] >>>> (kafka.controller.ReplicaStateMachine) >>>> Jul 13 16:00:01 computer kafka[28511]: [2017-07-13 16:00:01,037] >>>> INFO [ReplicaFetcherManager on broker 1002] Removed fetcher for >>>> partitions mytopic.2017-07-13-16-1 >>>> (kafka.server.ReplicaFetcherManager) >>>> Jul 13 16:00:01 computer kafka[28511]: [2017-07-13 16:00:01,039] >>>> INFO Completed load of log mytopic.2017-07-13-16-1 with 1 log >>>> segments and log end offset 0 in 0 ms (kafka.log.Log) >>>> Jul 13 16:00:01 computer kafka[28511]: [2017-07-13 16:00:01,040] >>>> INFO Created log for partition [mytopic.2017-07-13-16,1] in >>>> /data/kafka-1 with properties {compression.type -> producer, >>>> message.format.version -> 0.10.2-IV0, file.delete.delay.ms -> >>>> 60000, max.message.bytes -> 1000012, min.compaction.lag.ms -> 0, >>>> message.timestamp.type -> CreateTime, min.insync.replicas -> 1, >>>> segment.jitter.ms -> 0, preallocate -> false, >>>> min.cleanable.dirty.ratio -> 0.5, index.interval.bytes -> 4096, >>>> unclean.leader.election.enable -> true, retention.bytes -> -1, >>>> delete.retention.ms -> 3600000, cleanup.policy -> [delete], >>>> flush.ms -> 300000, segment.ms -> 600000, segment.bytes -> >>>> 1073741824, retention.ms -> 14400000, >>>> message.timestamp.difference.max.ms -> 9223372036854775807, >>>> segment.index.bytes -> 10485760, flush.messages -> 10000}. >>>> (kafka.log.LogManager) >>>> Jul 13 16:00:01 computer kafka[28511]: [2017-07-13 16:00:01,045] >>>> INFO Partition [mytopic.2017-07-13-16,1] on broker 1002: No >>>> checkpointed highwatermark is found for partition >>>> mytopic.2017-07-13-16-1 (kafka.cluster.Partition) >>>> Jul 13 16:00:01 computer kafka[28511]: [2017-07-13 16:00:01,047] >>>> INFO Completed load of log mytopic.2017-07-13-16-0 with 1 log >>>> segments and log end offset 0 in 1 ms (kafka.log.Log) >>>> Jul 13 16:00:01 computer kafka[28511]: [2017-07-13 16:00:01,047] >>>> INFO Created log for partition [mytopic.2017-07-13-16,0] in >>>> /data/kafka-1 with properties {compression.type -> producer, >>>> message.format.version -> 0.10.2-IV0, file.delete.delay.ms -> >>>> 60000, max.message.bytes -> 1000012, min.compaction.lag.ms -> 0, >>>> message.timestamp.type -> CreateTime, min.insync.replicas -> 1, >>>> segment.jitter.ms -> 0, preallocate -> false, >>>> min.cleanable.dirty.ratio -> 0.5, index.interval.bytes -> 4096, >>>> unclean.leader.election.enable -> true, retention.bytes -> -1, >>>> delete.retention.ms -> 3600000, cleanup.policy -> [delete], >>>> flush.ms -> 300000, segment.ms -> 600000, segment.bytes -> >>>> 1073741824, retention.ms -> 14400000, >>>> message.timestamp.difference.max.ms -> 9223372036854775807, >>>> segment.index.bytes -> 10485760, flush.messages -> 10000}. >>>> (kafka.log.LogManager) >>>> Jul 13 16:00:01 computer kafka[28511]: [2017-07-13 16:00:01,052] >>>> INFO Partition [mytopic.2017-07-13-16,0] on broker 1002: No >>>> checkpointed highwatermark is found for partition >>>> mytopic.2017-07-13-16-0 (kafka.cluster.Partition) >>>> Jul 13 16:00:01 computer kafka[28511]: [2017-07-13 16:00:01,052] >>>> INFO [ReplicaFetcherManager on broker 1002] Removed fetcher for >>>> partitions mytopic.2017-07-13-16-0 >>>> (kafka.server.ReplicaFetcherManager) >>>> Jul 13 16:00:01 computer kafka[28511]: [2017-07-13 16:00:01,052] >>>> INFO Truncating log mytopic.2017-07-13-16-0 to offset 0. >>>> (kafka.log.Log) >>>> Jul 13 16:00:01 computer kafka[28511]: [2017-07-13 16:00:01,059] >>>> INFO [ReplicaFetcherManager on broker 1002] Added fetcher for >>>> partitions List([mytopic.2017-07-13-16-0, initOffset 0 to broker >>>> BrokerEndPoint(1001,10.0.0.24,9092)] ) >>>> (kafka.server.ReplicaFetcherManager) >>>> Jul 13 16:00:03 computer kafka[28511]: [2017-07-13 16:00:03,614] >>>> ERROR [ReplicaFetcherThread-0-1001], Error for partition >>>> [mytopic.2017-07-13-16,0] to broker >>>> 1001:org.apache.kafka.common.errors.UnknownTopicOrPartition >>>> Exception: >>>> This server does not host this topic-partition. >>>> (kafka.server.ReplicaFetcherThread) >>>> >>>> >>>> >>>> >