最近一直出现 Kafka 集群中所有节点内存瞬间降低的问题。
然后当时的日志里显示：
[2019-01-09 01:08:05,297] WARN Send worker leaving thread (org.apache.zookeeper.server.quorum.QuorumCnxManager)
[2019-01-09 01:08:05,296] INFO Received connection request /(org.apache.zookeeper.server.quorum.QuorumCnxManager)
[2019-01-09 01:08:05,447] ERROR Unreasonable buffer length: 100000 (org.apache.zookeeper.server.quorum.QuorumCnxManager)
[2019-01-09 01:08:05,547] INFO Received connection request /(org.apache.zookeeper.server.quorum.QuorumCnxManager)
[2019-01-09 01:08:05,564] WARN Connection broken for id 8444275087900673, my id = 1, error = (org.apache.zookeeper.server.quorum.QuorumCnxManager)
java.io.IOException: Received packet with invalid packet: 0
at org.apache.zookeeper.server.quorum.QuorumCnxManager$RecvWorker.run(QuorumCnxManager.java:1012)
[2019-01-09 01:08:05,565] WARN Interrupting SendWorker (org.apache.zookeeper.server.quorum.QuorumCnxManager)
[2019-01-09 01:08:05,595] WARN Interrupted while waiting for message on queue (org.apache.zookeeper.server.quorum.QuorumCnxManager)
java.lang.InterruptedException
at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.reportInterruptAfterWait(AbstractQueuedSynchronizer.java:2014)
at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2088)
at java.util.concurrent.ArrayBlockingQueue.poll(ArrayBlockingQueue.java:418)
at org.apache.zookeeper.server.quorum.QuorumCnxManager.pollSendQueue(QuorumCnxManager.java:1094)
at org.apache.zookeeper.server.quorum.QuorumCnxManager.access$700(QuorumCnxManager.java:74)
at org.apache.zookeeper.server.quorum.QuorumCnxManager$SendWorker.run(QuorumCnxManager.java:929)
[2019-01-09 01:08:05,597] WARN Send worker leaving thread (org.apache.zookeeper.server.quorum.QuorumCnxManager)
[2019-01-09 01:08:05,597] INFO Received connection request (org.apache.zookeeper.server.quorum.QuorumCnxManager)
[2019-01-09 01:08:05,646] WARN Connection broken for id 3377699988963328, my id = 1, error = (org.apache.zookeeper.server.quorum.QuorumCnxManager)
java.io.IOException: Received packet with invalid packet: 0
at org.apache.zookeeper.server.quorum.QuorumCnxManager$RecvWorker.run(QuorumCnxManager.java:1012)
[2019-01-09 01:08:05,670] WARN Interrupting SendWorker (org.apache.zookeeper.server.quorum.QuorumCnxManager)
[2019-01-09 01:08:05,670] WARN Interrupted while waiting for message on queue (org.apache.zookeeper.server.quorum.QuorumCnxManager)
请问 ERROR Unreasonable buffer length: 100000 这个是什么原因造成的，应该如何解决？