Re: [squid-users] Downloads slow on large files

Try decreasing maximum_object_size_in_memory to the default.

Regards
Henrik

On Tue, 12 Oct 2004, Jeremy wrote:

> Hey,
>
> This is the version of squid and compile options used.
>
> Thanks,
> --jeremy
>
> Squid Cache: Version 2.5.STABLE6
> configure options: --prefix=/usr --bindir=/usr/bin --exec-prefix=/usr
> --sbindir=/usr/sbin --localstatedir=/var --mandir=/usr/share/man
> --sysconfdir=/etc/squid --libexecdir=/usr/lib/squid
> --enable-auth=basic,digest,ntlm --enable-removal-policies=lru,heap
> --enable-digest-auth-helpers=password
> --enable-storeio=ufs,diskd,coss,aufs,null
> --enable-basic-auth-helpers=PAM,getpwnam,YP,NCSA,SMB,MSNT,multi-domain-
> NTLM,winbind --enable-external-acl-
> helpers=ip_user,unix_group,wbinfo_group,winbind_group
> --enable-ntlm-auth-helpers=SMB,fakeauth,no_check,winbind
> --enable-linux-netfilter --enable-ident-lookups --enable-useragent-log
> --enable-cache-digests --enable-delay-pools --enable-referer-log
> --enable-async-io --enable-truncate --enable-arp-acl --with-pthreads
> --enable-htcp --enable-carp --enable-poll --host=i686-pc-linux-gnu
> --disable-snmp --enable-ssl
>
> On Oct 11, 2004, at 4:04 PM, Jeremy wrote:
>
>>
>> We have a fast connection and a cache server running gentoo linux with dual
>> 2.8gig xeon processors and 3 gigs of ram. FS is reiserfs, config file is
>> below
>>
>> The cache works well on regular small to medium size. However, when we try
>> to download a large file, it starts out at about 1.7MB/sec, and slowly
>> eventually works its way down to 200KB/sec (as the dl speed drops on the
>> client, the processor usage on the server approaches 100% of 1 processor) .
>> When we bypass the caching server completely we generally get a sustained
>> 2.4MB/sec.
>>
>> Any Ideas why large requests act this way?
>>
>> Thanks,
>> --jeremy
>> Southgate Schools
>>
>>
>> http_port 3128
>> http_port 80
>> hierarchy_stoplist cgi-bin ? s.js
>> acl QUERY urlpath_regex cgi-bin \? s.js t.aspx
>> acl EDPERF dstdomain test.edperformance.com
>> cache_mem 1500 MB
>> cache_swap_low 96
>> cache_swap_high 98
>> maximum_object_size_in_memory 200 MB
>> cache_dir diskd /squidcache/cache 18000 48 256
>> acl all src 10.81.0.0-10.254.0.0/255.255.0.0
>> acl manager proto cache_object
>> acl localhost src 127.0.0.1/255.255.255.255
>> acl SSL_ports port 443 563
>> acl Safe_ports port 80-81
>> acl Safe_ports port 21
>> acl Safe_ports port 443 563
>> acl Safe_ports port 70
>> acl Safe_ports port 210
>> acl Safe_ports port 1025-65535
>> acl Safe_ports port 280
>> acl Safe_ports port 488
>> acl Safe_ports port 591
>> acl Safe_ports port 777
>> acl CONNECT method CONNECT
>> http_access allow manager localhost
>> http_access allow manager
>> http_access allow Safe_ports
>> http_access deny CONNECT !SSL_ports
>> http_access allow localhost
>> http_access deny all
>> icp_access allow all
>> acl edperformance dstdomain test.edperformance.com
>> no_cache deny QUERY EDPERF
>> always_direct allow edperformance
>> visible_hostname squid.sgate.k12.mi.us
>> maximum_object_size 350 MB
>> cache_effective_user squid
>> cache_effective_group squid
>> dns_nameservers 127.0.0.1
>> redirect_program /usr/bin/squidGuard -c /etc/squid/squidGuard.conf
>> redirect_children 10
>>
>>
>
Received on Tue Oct 12 2004 - 20:23:44 MDT