Public bug reported:
We upgraded to the 3.2.0-45-generic kernel on a pair of 64 but vms and
now the server gets lots of errors with connectoins with CLOSED_WAIT
status. This eventually fills up the connection tables and new work
stops happening. We have removed any iptables firewalls from the pound
servers and the lvs load balancer in front of them. I have also back
revved the kernels back to 3.2.0-24-generic, but it doesn't look like
ths is helping.
These servers are all running ubuntu 12.04.02 for x64. They have been
running in this configuration for years without a problem until
yesterday. Looking for new ideas to try to resolve this.
** Affects: nginx (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1189764
Title:
Pound server get too many CLOSE_WAIT sessions and fails
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