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Posted to user-zh@flink.apache.org by 周虓岗 <zh...@163.com> on 2020/03/24 03:11:33 UTC

flink cpu 随机性飙高排查

https://issues.apache.org/jira/browse/FLINK-16721


各位大佬,在jira上面提了个issue,就是我的flink tm进程不时有内存飙高的现象
使用busy thread抓线程,java线程并没有发现明显的飙高现象。
查看stackoverflow说这类问题可能是iowait引起的。


想问下有碰到过类似情况,或者有排查思路的吗?


先谢谢了