crazywen opened a new issue #2476: URL: https://github.com/apache/rocketmq/issues/2476
The issue tracker is **ONLY** used for bug report(feature request need to follow [RIP process](https://github.com/apache/rocketmq/wiki/RocketMQ-Improvement-Proposal)). Keep in mind, please check whether there is an existing same report before your raise a new one. Alternately (especially if your communication is not a bug report), you can send mail to our [mailing lists](http://rocketmq.apache.org/about/contact/). We welcome any friendly suggestions, bug fixes, collaboration and other improvements. Please ensure that your bug report is clear and that it is complete. Otherwise, we may be unable to understand it or to reproduce it, either of which would prevent us from fixing the bug. We strongly recommend the report(bug report or feature request) could include some hints as the following: **BUG REPORT** 1. Please describe the issue you observed: 两主两从部署，异步刷盘，同步双写，业务进行时client发生请求超时，经排查从节点不可用了，有一线程吃掉一CPU，即HAClient，并导致主从同步不可用。  top -Hp 24494  printf "%x\n" 24605   2. Please tell us about your environment: jdk: 1.8.0_251 linux kernel: 3.10.0-957.e17.x86_64 rocket version: 4.7.0 3. Other information (e.g. detailed explanation, logs, related issues, suggestions how to fix, etc): JDK-2147719 : (se) Selector doesn't block on Selector.select(timeout) (lnx) https://bugs.java.com/bugdatabase/view_bug.do?bug_id=2147719 https://bugs.java.com/bugdatabase/view_bug.do?bug_id=8186337 ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
