Hi,
>From some time now I see high number tcp close and timewait.
#v+
lb-01 ~ # free
total used free shared buffers cached
Mem: 4046308 1348228 2698080 0 363184 571832
-/+ buffers/cache: 413212 3633096
Swap: 2096440 0 2096440
#v-
#v+
lb-01 ~ # ss -s
Total: 1732 (kernel 1834)
TCP: 94808 (estab 574, closed 93166, orphaned 171, synrecv 0,
timewait 93163/0), ports 5048
Transport Total IP IPv6
* 1834 - -
RAW 0 0 0
UDP 13 13 0
TCP 1642 1642 0
INET 1655 1655 0
FRAG 0 0 0
#v-
My sysctl looks like this:
http://pastebin.com/DPvDv4xu
Haproxy settings:
#v+
defaults
log global
mode http
option httplog
option dontlognull
option redispatch
option httpclose
option srvtcpka
option clitcpka
option forwardfor
balance roundrobin
retries 3
maxconn 8192
timeout client 30s
timeout connect 30s
timeout server 30s
#v-
Rest config it's just fronend's backend's with acl but no more options.
I'm wonder is it's possible to make that number of close/timewait
lower or is it normal ?
--
Łukasz Jagiełło
lukasz<at>jagiello<dot>org