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 -- Att. Lutieri G. B.
