walterhong edited a comment on issue #1573: kill one rocketMq master broker and slave broker CPU is much higher than before URL: https://github.com/apache/rocketmq/issues/1573#issuecomment-557813618 @duhenglucky I use top -Hp 10227, and I get the thread PID that has the highest CPU in process 10227, and then I use ‘printf %x\n’ to transform this thread PID into its hexadecimal representation,0x2889,and at last I use jstack 10277|grep 0x2889 -A 30, and I find the one of the highest CPU thread name in process 10277 is Async-appended-worker, and the other threads in process 10277 which have as high CPU as Async-appended-worker are Netty threads such as nettyserverthread, nettyNIOthread, and nettycodecthrrad.I do not know why, because I try the same in another rocketmq cluster which has the same cluster configuration, and I find that the CPU of slave broker do not raise, so I suspect system parameter of Linux is the cause???
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