still I haven't been able to figure out what's the problem...
> On 13/07/17 17:09, mosto...@gmail.com > <javascript:_e(%7B%7D,'cvml','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, > Partition=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, > Partition=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. > UnknownTopicOrPartitionException: This server does not host this > topic-partition. (kafka.server.ReplicaFetcherThread) > > > > >