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From Reindl Harald <h.rei...@thelounge.net>
Subject Re: Lots of TCP time_wait connections
Date Fri, 24 Aug 2012 09:12:30 GMT


Am 24.08.2012 11:06, schrieb Andrew Ashcroft:

> We’re seeing a lot of TCP connections in time_wait on our origin servers and it’s
beginning to effect the
> performance of the site.

TIME_WAIT is from the view of the application a closd connection
http://developerweb.net/viewtopic.php?id=2941

/etc/sysct.conf:
net.ipv4.tcp_tw_reuse = 1

followed by "sysctl -p" may help here
________________________

you may also like these changes in busy servers

net.ipv4.tcp_fin_timeout = 5
net.ipv4.tcp_retries1 = 6
net.ipv4.tcp_syn_retries = 6
net.ipv4.tcp_synack_retries = 2
net.ipv4.ip_local_port_range = 2000 65535
net.ipv4.tcp_slow_start_after_idle = 0




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