Re: [squid-users] Best Configuration for sibling peer

Kris wrote:
> Dear All,
>
> i have 4 proxy server with about 1000 request per second average , i
> have extra free nic in every server and i connected that 4 proxy to 1
> switch and give them 1 network ip. i set 4 proxy as SIBLING each
> other. after few days i got problem like.
>
> 1. weird error log (sometimes)
>
> 2009/12/16 09:48:25| storeClientReadHeader: no URL!
> 2009/12/16 09:48:25| storeClientReadHeader: no URL!
> 2009/12/16 09:48:25| storeClientReadHeader: no URL!
> 2009/12/16 09:48:28| storeClientReadHeader: no URL!
> 2009/12/16 09:48:29| storeClientReadHeader: no URL!
>
> 2. TCP Connection Failed
>
> 2009/12/16 09:45:15| TCP connection to 10.10.10.10 (10.10.10.10:3128)
> failed
> 2009/12/16 09:45:22| TCP connection to 10.10.10.11 (10.10.10.11:3128)
> failed
> 2009/12/16 09:45:22| TCP connection to 10.10.10.11 (10.10.10.11:3128)
> failed
> 2009/12/16 09:45:28| TCP connection to 10.10.10.13 (10.10.10.13:3128)
> failed
> 2009/12/16 09:45:36| TCP connection to 10.10.10.12 (10.10.10.12:3128)
> failed
>
> 3. sometimes it become hard to browse , but it going normal after i
> disabled all SIBLING, if i enabled it will slow again.
>
> my file descriptor already 65535
>
> my peer config
> # cache_peer 10.10.10.10 sibling 3128 3130 no-netdb-exchange no-digest
> no-delay round-robin proxy-only
> cache_peer 10.10.10.11 sibling 3128 3130 no-netdb-exchange no-digest
> no-delay round-robin proxy-only
> cache_peer 10.10.10.12 sibling 3128 3130 no-netdb-exchange no-digest
> no-delay round-robin proxy-only
> cache_peer 10.10.10.13 sibling 3128 3130 no-netdb-exchange no-digest
> no-delay round-robin proxy-only
>
> any suggestion what best configuration for sibling peer ?

I don't think that round-robin makes much sense with sibling selection.
Either the a sibling has the object (and we grab the object from it) or
it doesn't (and we grab the object directly).

For myself, I use a line like...

cache_peer proxypool-2.my.domain sibling 8080 3130 no-digest

Chris
Received on Wed Dec 16 2009 - 20:41:45 MST