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2020-04-30 16:50:37,010 WARN kafka.server.epoch.LeaderEpochFileCache: Received a PartitionLeaderEpoch assignment for an epoch < latestEpoch. This implies messages have arrived out of order. New: {epoch:16, offset:339490219592}, Current: {epoch:498, offset335305734105} for Partition: __consumer_offsets-47
2020-04-30 16:50:37,011 WARN kafka.server.epoch.LeaderEpochFileCache: Received a PartitionLeaderEpoch assignment for an epoch < latestEpoch. This implies messages have arrived out of order. New: {epoch:16, offset:339490219599}, Current: {epoch:498, offset335305734105} for Partition: __consumer_offsets-47
2020-04-30 16:50:37,011 WARN kafka.server.epoch.LeaderEpochFileCache: Received a PartitionLeaderEpoch assignment for an epoch < latestEpoch. This implies messages have arrived out of order. New: {epoch:14, offset:105463605}, Current: {epoch:336, offset104508994} for Partition: appDataToK3_test-12
2020-04-30 16:50:37,011 WARN kafka.server.epoch.LeaderEpochFileCache: Received a PartitionLeaderEpoch assignment for an epoch < latestEpoch. This implies messages have arrived out of order. New: {epoch:17, offset:92001836731}, Current: {epoch:479, offset86819324213} for Partition: __consumer_offsets-4
2020-04-30 16:50:37,012 WARN kafka.server.epoch.LeaderEpochFileCache: Received a PartitionLeaderEpoch assignment for an epoch < latestEpoch. This implies messages have arrived out of order. New: {epoch:16, offset:339490219606}, Current: {epoch:498, offset335305734105} for Partition: __consumer_offsets-47
kafka日常使用没有特殊操作
曾怀疑是follower 跟不上 leader 导致提示异常,查看topic ISR ,发现上面日志中 __consumer_offsets-47
有报警告,但是下面查看topic 分区47的 __consumer_offsets
IRS是正常
Topic: __consumer_offsets Partition: 38 Leader: 153 Replicas: 153,154,150 Isr: 154,153
Topic: __consumer_offsets Partition: 39 Leader: 154 Replicas: 154,150,151 Isr: 154,151,150
Topic: __consumer_offsets Partition: 40 Leader: 150 Replicas: 150,152,153 Isr: 152,150,153
Topic: __consumer_offsets Partition: 41 Leader: 151 Replicas: 151,153,154 Isr: 151,154,153
Topic: __consumer_offsets Partition: 42 Leader: 152 Replicas: 152,154,150 Isr: 152,154,150
Topic: __consumer_offsets Partition: 43 Leader: 153 Replicas: 153,150,151 Isr: 151,153
Topic: __consumer_offsets Partition: 44 Leader: 154 Replicas: 154,151,152 Isr: 154,152,151
Topic: __consumer_offsets Partition: 45 Leader: 150 Replicas: 150,153,154 Isr: 154,150,153
Topic: __consumer_offsets Partition: 46 Leader: 151 Replicas: 151,154,150 Isr: 151,154,150
Topic: __consumer_offsets Partition: 47 Leader: 152 Replicas: 152,150,151 Isr: 152,150,151
Topic: __consumer_offsets Partition: 48 Leader: 153 Replicas: 153,151,152 Isr: 151,152,153
Topic: __consumer_offsets Partition: 49 Leader: 154 Replicas: 154,152,153 Isr: 154,152,153
下图是监控 JMX kafka.network:type=SocketServer,name=NetworkProcessorAvgIdlePercent 的值