Sudden performance drop
philmes
phil at digitalcontortions.net
Thu Oct 20 14:24:41 EDT 2011
Ah! That's probably it...
I have *lots* of sockets in TIME_WAIT state, which makes sense - I open a
connection to the upstream server, make a request, read the response and
then close the connection.
I suppose I have two options:
1) mess with /proc/sys/net/ipv4/tcp_tw_reuse and friends
2) use connection pipelining / persistent http connections. Need to check
the Netty docs for this I guess.
thanks,
Phil.
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