One bad issure

[GitHub-huyuan]

On my kafka broker, it is too many close_wait about ten minutes; It is a coordinator. The consumerGroup is about 6000+ consumer；In the sarama log， i can not get some information about it.

[Gorgonx7]

@GitHub-huyuan please could you provide more information in to what you believe the bug in Sarama is? From the description/logs above this could be anything from a transient network issue, a broker issue or a config issue and in order to investigate a fix in Sarama we'll need more information