You need more stats than that! * install munin; its always a good thing to do when wanting stats from a unix box * learn to read 'vmstat 1' and 'systat -vmstat 1' * graph the squid stats via SNMP too You need more statistics to diagnose this problem. We're not magicians. :) Adrian On Thu, Aug 30, 2007, Lutieri G. wrote: > # top -d 1 > > last pid: 4183; load averages: 0.03, 0.01, 0.00 > up 0+01:17:41 12:44:54 > 76 processes: 1 running, 75 sleeping > CPU states: 0.0% user, 0.0% nice, 0.0% system, 0.0% interrupt, 100% idle > Mem: 57M Active, 19M Inact, 44M Wired, 16K Cache, 27M Buf, 3708M Free > Swap: 4096M Total, 4096M Free > > 2007/8/30, cktan@xxxxxxxxxxxx <cktan@xxxxxxxxxxxx>: > > Hi, > > > > Please make sure your squid is not using SWAP or it will definitely slow > > down the system. Post your top. > > > > Regards > > > > Lutieri G. wrote: > > > Hi! > > > > > > Today i'm running squid 2.5stable9 in a debian sarg box SUN v20z. All > > > works very nice. Although, i need to migrate squid to a new server SUN > > > x4100 running FreeBSD. And now begin my problems. > > > I was talking about my performance problems with freebsd mailing list. > > > But we can't find a solution for my problem described below: > > > > > > First of all, i'll paste some informations about my new server. > > > > > > #uname -a > > > FreeBSD sd.xyz.com.br 6.2-STABLE FreeBSD 6.2-STABLE #0: Wed Aug 29 > > > 10:26:18 BRT 2007 > > > root@xxxxxxxxxxxxx:/usr/src/sys/amd64/compile/LGB amd64 > > > > > > #mount > > > /dev/da0s1a on / (ufs, local) > > > devfs on /dev (devfs, local) > > > /dev/da0s1e on /tmp (ufs, local, soft-updates) > > > /dev/da0s1f on /usr (ufs, local, soft-updates) > > > /dev/da0s1d on /var (ufs, local, soft-updates) > > > /dev/da0s2a on /cache (ufs, local, soft-updates) > > > devfs on /var/chroot/named/dev (devfs, local) > > > > > > > > > #df -h > > > Filesystem Size Used Avail Capacity Mounted on > > > /dev/da0s1a 496M 88M 368M 19% / > > > devfs 1.0K 1.0K 0B 100% /dev > > > /dev/da0s1e 496M 538K 456M 0% /tmp > > > /dev/da0s1f 9.4G 4.5G 4.1G 52% /usr > > > /dev/da0s1d 4.7G 1.5G 2.9G 34% /var > > > /dev/da0s2a 9.4G 89M 8.6G 1% /cache > > > devfs 1.0K 1.0K 0B 100% /var/chroot/named/dev > > > > > > My kernel was compiled in the day before yesterday with some tunning options: > > > > > > Commented: > > > options INET6 # IPv6 > > > > > > - included: > > > options SYSVSHM #SYSV-style shared memory > > > options SYSVMSG #SYSV-style message queues > > > options SYSVSEM #SYSV-style semaphores > > > options SMP # Symmetric > > > > > > options HZ=2000 > > > options DEVICE_POLLING # Soft intrrupt's > > > options VFS_AIO > > > options MAXDSIZ=(4096UL*1024*1024) # Conf para 4Gb > > > options MAXSSIZ=(256UL*1024*1024) # E aqui vai pra 128 > > > options DFLDSIZ=(4096UL*1024*1024) # 4096 tb! > > > > > > # Message Queues [Based on Squid FAQ] > > > > > > option MSGMNB=262144 # Number of bytes in a queue > > > option MSGMNI=128 # Need to be at least 2 times the number of > > > cache_dir entries in the squid > > > option MSGSSZ=256 # Size of the message segment in a queue > > > option MSGTQL=16384 # Number of max queue identifiers versus 128 > > > option MSGSEG=2048 # Number of messages segments > > > > > > # Shared Memory [Based on Squid FAQ] > > > options SHMMNI=256 # The half of the message queues at least [1 for > > > each cache_dir] > > > options SHMALL=65536 # > > > options SHMMAX=(128UL*1024*1024) # > > > options SHMSEG=128 > > > > > > > > > In squid.conf file : > > > > > > cache_dir diskd /usr/local/squid/cache/cache1 5120 16 256 Q1=128 Q2=100 > > > cache_dir diskd /usr/local/squid/cache/cache2 5120 16 256 Q1=128 Q2=100 > > > > > > cache_replacement_policy heap LFUDA > > > > > > memory_replacement_policy heap GDSF > > > > > > cache_mem 1536 MB > > > > > > cache_swap_low 65 > > > cache_swap_high 80 > > > > > > maximum_object_size 64 MB > > > minimum_object_size 0 KB > > > maximum_object_size_in_memory 2560 Kb > > > > > > #squid -v > > > Squid Cache: Version 2.6.STABLE14 > > > configure options: '--bindir=/usr/local/sbin' > > > '--sbindir=/usr/local/sbin' '--datadir=/usr/local/etc/squid' > > > '--libexecdir=/usr/local/libexec/squid' > > > '--localstatedir=/usr/local/squid' '--sysconfdir=/usr/local/etc/squid' > > > '--enable-removal-policies=lru heap' '--disable-linux-netfilter' > > > '--disable-linux-tproxy' '--disable-epoll' '--enable-auth=basic ntlm > > > digest' '--enable-basic-auth-helpers=DB NCSA PAM MSNT SMB YP' > > > '--enable-digest-auth-helpers=password' > > > '--enable-external-acl-helpers=ip_user session unix_group > > > wbinfo_group' '--enable-ntlm-auth-helpers=SMB' > > > '--enable-negotiate-auth-helpers=squid_kerb_auth' '--with-pthreads' > > > '--enable-storeio=ufs diskd null aufs' '--enable-delay-pools' > > > '--enable-snmp' '--disable-carp' '--enable-ssl' '--with-openssl=/usr' > > > '--enable-cache-digests' '--enable-arp-acl' > > > '--enable-follow-x-forwarded-for' '--with-large-files' > > > '--enable-large-cache-files' '--enable-err-languages=Azerbaijani > > > Bulgarian Catalan Czech Danish Dutch English Estonian Finnish French > > > German Greek Hebrew Hungarian Italian Japanese Korean Lithuanian > > > Polish Portuguese Romanian Russian-1251 Russian-koi8-r Serbian > > > Simplify_Chinese Slovak Spanish Swedish Traditional_Chinese Turkish' > > > '--enable-default-err-language=English' '--enable-ntlm-fail-open' > > > '--prefix=/usr/local' '--mandir=/usr/local/man' > > > '--infodir=/usr/local/info/' 'amd64-portbld-freebsd6.2' 'CC=cc' > > > 'CFLAGS=-O2 -fno-strict-aliasing -pipe -I/usr/include' 'CPPFLAGS=' > > > 'LDFLAGS= -rpath=/usr/lib:/usr/local/lib -L/usr/lib' > > > 'build_alias=amd64-portbld-freebsd6.2' > > > 'host_alias=amd64-portbld-freebsd6.2' > > > 'target_alias=amd64-portbld-freebsd6.2' > > > > > > > > > My new box is a X4100 SUN. > > > With 4 gigabits NIC. > > > Two SAS disks. > > > 4Gb RAM > > > > > > I tryed use with and without RAID but I got the same problem. > > > > > > Let me explain my environment: > > > All my users use IE6 and they have proxy config like this: > > > host: proxy.xyz.com.br > > > port 3128 > > > > > > Once i need to migrate all users to my new server with FreeBSD ,I only > > > change the IP address of proxy register in DNS server. > > > Ok. After two minutes i can see some users in the new server log(access.log). > > > > > > After 10 minutes squidclient mgr:info return me 70 clients and the > > > speed connection goes very low for the users. > > > > > > I commented out all acl's and authentication scheme in squid conf > > > file. Running squid i'm monitoring with systat -v and iostat but CPU > > > and disks is working almost all time as idle. > > > > > > cache.log doesn't show me errors. only this messages: > > > 2007/08/30 08:13:31| httpAccept: FD 39: accept failure: (53) Software > > > caused connection abort > > > 2007/08/30 08:13:32| httpAccept: FD 39: accept failure: (53) Software > > > caused connection abort > > > 2007/08/30 08:13:32| httpAccept: FD 39: accept failure: (53) Software > > > caused connection abort > > > 2007/08/30 08:13:32| httpAccept: FD 39: accept failure: (53) Software > > > caused connection abort > > > 2007/08/30 08:13:32| httpAccept: FD 39: accept failure: (53) Software > > > caused connection abort > > > 2007/08/30 08:13:32| httpAccept: FD 39: accept failure: (53) Software > > > caused connection abort > > > 2007/08/30 08:13:32| httpAccept: FD 39: accept failure: (53) Software > > > caused connection abort > > > 2007/08/30 08:13:32| httpAccept: FD 39: accept failure: (53) Software > > > caused connection abort > > > 2007/08/30 08:13:32| httpAccept: FD 39: accept failure: (53) Software > > > caused connection abort > > > 2007/08/30 08:13:50| httpAccept: FD 39: accept failure: (53) Software > > > caused connection abort > > > > > > I've read that is harmless. > > > > > > But the low speed continue. > > > This is not a DNS problem. I've tested. > > > > > > Any suggestion?!?! > > > > > > tanx > > > > > > > > > > > > > > > -- > > CK Tan > > IT Manager > > > > Optical Communication Engineering S/B > > 19, Jalan Semangat, > > 46200 Petaling Jaya, Selangor Darul Ehsan > > Tel: +60 3 76808000 EXT:1205 > > Fax: +60 3 76808010 > > H/P: +60 12 9033077 > > email: cktan@xxxxxxxxxxxx > > > > > > > -- > Att. > Lutieri G. B. -- - Xenion - http://www.xenion.com.au/ - VPS Hosting - Commercial Squid Support - - $25/pm entry-level bandwidth-capped VPSes available in WA -
