lyg created ZOOKEEPER-4021:
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Summary: Zookeeper C Client ERROR about poll
Key: ZOOKEEPER-4021
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-4021
Project: ZooKeeper
Issue Type: Bug
Components: c client
Affects Versions: 3.5.8
Environment: CentOS Linux release 7.8.2003 (Core)
Reporter: lyg
Zookeeper c client request server by dns ， when the zookeeper server and dns
server down at the same time ， c client poll will set revent to POLLNVAL .
At this time The parameter timeout of poll is not valid. it cause very
frequent requests and high cpu use.
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