We are in the process of evaluating upgrading to 1.9.8 from 1.8.17,
and we are seeing a roughly 70% increase in sockets in TIME_WAIT on
our haproxy servers with a mostly idle server cluster
$ sudo netstat | grep 'TIME_WAIT' | wc -l

Looking at the source/destination of this it seems likely that this
comes from healthchecks.  We also see a corresponding load increase on
the backend applications serving the healthchecks.

Checking the git logs for healthcheck was unfruitful.  Any clue what
might be going on?


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