Phusion Passenger version 3.0.18
nginx version: nginx/1.2.4
ruby 1.8.7 (2011-06-30 patchlevel 352) [x86_64-linux]
rails (3.0.20)
MULTIPLE TCP RESETS sent
I usually see 20-25 database connections from my
ruby/rails//passenger/nginx server to my database server. Pool is set to
25. Passenger is limited to 20
I am seeing lots of TCP Resets and dropped mysql connections. I run the
DB
on port 3312…and using tcpdump I can see the db sends a [S.] SYN-ACK
but
the rails server responds with a [R] RESET immediately.
tcptrack on port 3312 shows 20-25 connections then all of a sudden it
jumps
to 300-600 connections but the majority are RESET (s) Any idea why rails
would be killing off so many DB connections (more then are even
established)
-dave webster
yyy.yyy.yyy.yyy:56468 xxx.xxx.xxx.xxx:3312 RESET 2s 0
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yyy.yyy.yyy.yyy:49257 xxx.xxx.xxx.xxx:3312 ESTABLISHED 1s 7
KB/s
yyy.yyy.yyy.yyy:56610 xxx.xxx.xxx.xxx:3312 RESET 1s 0
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