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Re: Cache Peers and traffic handling

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On 4/15/21 4:37 AM, Eliezer Croitoru wrote:
> I don’t know your use case that well but maybe another proxy can do that for you.
> I wrote a haproxy routing config by username sometime ago:
> https://gist.github.com/elico/405f0608e60910fc9ea119e22e1ffd07

Just to clarify: The above haproxy configuration is conceptually the
same as the problematic Squid configuration -- static lists of users,
ACLs, and cache peers. I do not know whether haproxy scales better than
Squid as far as handling 5000 cache peers are concerned.

Alex.



> From: squid-users <squid-users-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of koshik moshik
> Sent: Sunday, April 11, 2021 12:04 AM
> To: squid-users@xxxxxxxxxxxxxxxxxxxxx
> Subject:  Cache Peers and traffic handling
> 
> Hello, 
> 
> I am trying to run a Squid proxy Server witth about 5000 cache peers. I am running a dedicated server with 6 cores and 32GB RAM on Ubuntu 16. 
> 
> Could you tell me what else is needed / not needed in my squid.config? I am encountering a high CPU usage and would like to create a very efficient proxy server. 
> 
> Down below you can find my squid.config(I deleted the other cache_peer lines):
> -----------
> http_port 3128
> dns_v4_first on
> acl SSL_ports port 1-65535
> acl Safe_ports port 1-65535
> acl CONNECT method CONNECT
> http_access deny !Safe_ports
> http_access deny CONNECT !SSL_ports
> auth_param basic program /usr/lib/squid/basic_ncsa_auth /etc/squid/.htpasswd
> auth_param basic children 5
> auth_param basic realm Squid Basic Authentication
> auth_param basic credentialsttl 5 hours
> acl password proxy_auth REQUIRED
> http_access allow password
> #http_access deny all
> cache allow all
> never_direct allow all
> ident_access deny all
> 
> 
> 
> 
> cache_mem 1 GB
> maximum_object_size_in_memory 16 MB
> 
> 
> 
> 
> # Leave coredumps in the first cache dir
> coredump_dir /var/spool/squid
> 
> #Rules to anonymize http headers
> forwarded_for off
> request_header_access Allow allow all
> request_header_access Authorization allow all
> request_header_access WWW-Authenticate allow all
> request_header_access Proxy-Authorization allow all
> request_header_access Proxy-Authenticate allow all
> request_header_access Cache-Control allow all
> request_header_access Content-Encoding allow all
> request_header_access Content-Length allow all
> request_header_access Content-Type allow all
> request_header_access Date allow all
> request_header_access Expires allow all
> request_header_access Host allow all
> request_header_access If-Modified-Since allow all
> request_header_access Last-Modified allow all
> request_header_access Location allow all
> request_header_access Pragma allow all
> request_header_access Accept allow all
> request_header_access Accept-Charset allow all
> request_header_access Accept-Encoding allow all
> request_header_access Accept-Language allow all
> request_header_access Content-Language allow all
> request_header_access Mime-Version allow all
> request_header_access Retry-After allow all
> request_header_access Title allow all
> request_header_access Connection allow all
> request_header_access Proxy-Connection allow all
> request_header_access User-Agent allow all
> request_header_access Cookie allow all
> request_header_access All deny all
> 
> 
> 
> 
> #
> # Add any of your own refresh_pattern entries above these.
> #
> #refresh_pattern ^ftp:           1440    20%     10080
> #refresh_pattern ^gopher:        1440    0%      1440
> #refresh_pattern -i (/cgi-bin/|\?) 0     0%      0
> #refresh_pattern (Release|Packages(.gz)*)$      0       20%     2880
> #refresh_pattern .               0       20%     4320
> 
> ################################
> acl me proxy_auth ye-1
> cache_peer http://my.proxy.com/ parent 31280 login=user1:password1 no-query name=a1
> cache_peer_access a1 allow me
> cache_peer_access a1 deny all
> 
> _______________________________________________
> squid-users mailing list
> squid-users@xxxxxxxxxxxxxxxxxxxxx
> http://lists.squid-cache.org/listinfo/squid-users
> 

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