[squid-users] AW: any chance to optimize squid3?

I have some performance graphs. Maybe they will help:
http://ubuntuone.com/09XVmTzqmNAPgVDmc6h2yI

-----Ursprüngliche Nachricht-----
Von: Fuhrmann, Marcel [mailto:Marcel.Fuhrmann_at_lux.ag]
Gesendet: Freitag, 16. November 2012 11:32
An: squid-users_at_squid-cache.org
Betreff: [squid-users] any chance to optimize squid3?

Hi list!

Is there any chance to speed up my squid proxy by changing the config? I don't think my squid is really slow. But some users think so.
Thanks a lot!

Here some information about the Hardware:

# cat /proc/cpuinfo
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 44
model name      : Intel(R) Xeon(R) CPU           X5650  @ 2.67GHz stepping        : 2 cpu MHz         : 2660.000 cache size      : 12288 KB fpu             : yes fpu_exception   : yes cpuid level     : 11 wp              : yes flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology tsc_reliable nonstop_tsc aperfmperf pni pclmulqdq ssse3 cx16 sse4_1 sse4_2 popcnt aes hypervisor lahf_lm ida arat bogomips        : 5320.00 clflush size    : 64 cache_alignment : 64 address sizes   : 40 bits physical, 48 bits virtual power management:

processor       : 1
vendor_id       : GenuineIntel
cpu family      : 6
model           : 44
model name      : Intel(R) Xeon(R) CPU           X5650  @ 2.67GHz stepping        : 2 cpu MHz         : 2660.000 cache size      : 12288 KB fpu             : yes fpu_exception   : yes cpuid level     : 11 wp              : yes flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology tsc_reliable nonstop_tsc aperfmperf pni pclmulqdq ssse3 cx16 sse4_1 sse4_2 popcnt aes hypervisor lahf_lm ida arat bogomips        : 5320.00 clflush size    : 64 cache_alignment : 64 address sizes   : 40 bits physical, 48 bits virtual power management:
------------------------------------------
# cat /proc/meminfo
MemTotal:        2057432 kB
MemFree:          330656 kB
Buffers:          138628 kB
Cached:           800828 kB
SwapCached:        24844 kB
Active:           796564 kB
Inactive:         660000 kB
Active(anon):     295336 kB
Inactive(anon):   221812 kB
Active(file):     501228 kB
Inactive(file):   438188 kB
Unevictable:           0 kB
Mlocked:               0 kB
SwapTotal:        407544 kB
SwapFree:         328728 kB
Dirty:               352 kB
Writeback:             0 kB
AnonPages:        492608 kB
Mapped:            14632 kB
Shmem:               132 kB
Slab:             184576 kB
SReclaimable:     160328 kB
SUnreclaim:        24248 kB
KernelStack:        2368 kB
PageTables:        33136 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:     1436260 kB
Committed_AS:   10306360 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      274032 kB
VmallocChunk:   34359460564 kB
HardwareCorrupted:     0 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:       10240 kB
DirectMap2M:     2086912 kB
------------------------------------------
# df -h
/dev/sda1             6,6G  2,8G  3,6G  44% /
/dev/sdb1              10G  7,3G  2,8G  73% /var/spool/squid3
/dev/sda3             912M   94M  772M  11% /var/log

Sdb is a raid10 device.
------------------------------
This is my config.

cache_mem 64 MB
maximum_object_size 1000 KB
maximum_object_size_in_memory 128 KB
cache_replacement_policy heap LFUDA
memory_replacement_policy heap GDSF
cache_dir aufs /var/spool/squid3 8000 256 256 dns_nameservers 10.4.1.20 cache_peer localhost parent 8899 0 no-query no-digest url_rewrite_program /usr/bin/squidGuard -c /etc/squid/squidGuard.conf url_rewrite_children 20 cache_effective_user proxy cache_mgr lux.support_at_lux.ag error_directory /usr/share/squid3/errors/de-de auth_param ntlm program /usr/bin/ntlm_auth --helper-protocol=squid-2.5-ntlmssp
auth_param ntlm children 20 startup=0 idle=1 auth_param basic program /usr/bin/ntlm_auth --helper-protocol=squid-2.5-basic auth_param basic children 5 auth_param basic realm Domain Proxy Server auth_param basic credentialsttl 2 hours auth_param basic casesensitive off authenticate_cache_garbage_interval 10 seconds authenticate_ttl 28800 seconds external_acl_type nt_group ttl=5 children=5 %LOGIN /usr/lib/squid3/wbinfo_group.pl acl INTERNET_SQUID external nt_group internet acl snmplux snmp_community kj3v45hv345j23 acl NMS src 10.4.1.234 acl SERVER src 10.2.1.51 acl manager proto cache_object acl localhost src 127.0.0.1/32 acl to_localhost dst 127.0.0.0/8 0.0.0.0/32 acl SSL_ports port 443 acl Safe_ports port 80          # http acl Safe_ports port 21          # ftp acl Safe_ports port 443         # https acl Safe_ports port 70          # gopher acl Safe_ports port 210         # wais acl Safe_ports port 1025-65535  # unregistered ports acl Safe_ports port 280         # http-mgmt acl Safe_ports port 488         # gss-http acl Safe_ports port 591         # filemaker acl Safe_ports port 777         # multiling http acl CONNECT method CONNECT snmp_port 3401 snmp_access allow snmplux localhost snmp_access allow snmplux NMS http_access allow SERVER http_access allow manager localhost http_access deny manager http_access deny !Safe_ports http_access deny CONNECT !SSL_ports http_access allow localhost http_access allow INTERNET_SQUID http_access deny all icp_access deny all htcp_access deny all http_port 3128 hierarchy_stoplist cgi-bin ?
access_log /var/log/squid3/access.log squid cache_log /var/log/squid3/cache.log squid refresh_pattern ^ftp:           1440    20%     10080 refresh_pattern ^gopher:        1440    0%      1440 refresh_pattern -i(/cgi-bin/|\?) 0      0%      0 refresh_pattern .               0       20%     4320 icp_port 0

--
Marcel