【kafka】记一次线上kafka一直rebalance故障 消费慢 数据积压

1.背景

今天我司线上kafka消息代理出现错误日志，异常rebalance，而且平均间隔2到3分钟就会rebalance一次，分析日志发现比较严重。错误日志如下

08-09 11:01:11 131 pool-7-thread-3 ERROR [] - 
commit failed 
org.apache.kafka.clients.consumer.CommitFailedException: Commit cannot be completed since the group has already rebalanced and assigned the partitions to another member. This means that the time between subsequent calls to poll() was longer than the configured max.poll.interval.ms, which typically implies that the poll loop is spen
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