Dnia PoniedziaÅek, 01.11.2010 o 2:17 Amos Jeffries napisaÅ: > On Sun, 31 Oct 2010 20:45:33 +0100, MichaÅ Prokopiuk > <michal@xxxxxxxxxxxxx> > wrote: > > Hi. > > For the last few days I have had troubles with my squid (3.0.24) - it > gets > > a lot of cpu, and > > response time is very long, about 4000 ms. I didn't see any information > > in cache.log, so I tried to upgrade to latest stable release - it > > doesn't change anything. I have read a lot about high cpu usage when > squid > > rebuild disc cache, so I try change cache_dir type from ufs to aufs or > > coss (./configure said about remove coss from squid 3.x), but the > problem > > still exists. > > > > What am I doing wrong? My squid has been working perfectly for two years > > :(. Here's my config.log and squid.conf: > > > > ./configure --prefix=/usr/local/squid-3.1.8 --enable-useragent-log > > --enable-referer-log --enable-default-err-language=Polish > > --enable-err-languages=Polish --enable-linux-netfilter --enable-ssl > > --with-large-files --with-filedescriptors=16384 -enable-snmp > > --with-maxfd=16384 --with-pthreads --enable-async-io --disable-dlmalloc > > --with-aio --enable-epoll > > > > http_port 192.168.1.1:8080 transparent > > pid_filename /var/run/squid/squid.pid > > acl sloneczko src 192.168.0.0/23 > > http_access allow sloneczko > > error_default_language pl-pl > > > > redirect_program /usr/local/bin/redirector.pl > > redirect_children 80 > > Replace those with: > url_write_program /usr/local/bin/redirector.pl > url_rewrite_children 80 > > > > > store_avg_object_size 8 kB > > minimum_object_size 1 KB > > maximum_object_size 100 MB > > maximum_object_size_in_memory 1 MB > > cache_mem 1000 MB > > > > cache_swap_low 80% > > cache_swap_high 100% > > cache_swap_high should be something less than 100% (99% may be better). > Squid will ONLY begin the aggressive space clearing when cache_swap_high > threshold is passed. So with 100% this may cause active connections to be > stopped while 20% of the cache is discarded. > > > # previous cache > > #cache_dir ufs /var/spool/squid-cache/cache 30000 12 256 > > cache_dir aufs /var/spool/squid-cache/cache 30000 60 100 > > > > dns_nameservers 192.168.1.100 192.168.1.200 > > ipcache_size 8192 > > fqdncache_size 1024 > > positive_dns_ttl 2 hours > > negative_dns_ttl 1 minutes > > ipcache_low 90 > > ipcache_high 95 > > > > emulate_httpd_log on > > access_log /var/log/squid/access.log > > Remove emulate... and change access_log to: > access_log /var/log/squid/access.log common > > > cache_log /var/log/squid/cache.log > > cache_store_log /dev/null > > Set this to "cache_store_log none". > > > > > > > Rest of squid.conf are acls. I have about 30 - 40 mbps of traffic. On > > You have "http_access allow sloneczko" at the top of this config. so its > possible your other ACL are not working. > > > board > > are core2duo 1.8 ghz 4 gb ram on intel chipset, 2x SATA on soft raid > (for > > cache - md0). > > by "soft raid" you mean *software* raid? That is a disk IO killer for > Squid. > > > > > Any ideas? When I run -k debug I can't do anything - load has increased, > I set all canges, unfortunately, squid work great for fiew days, and today problem back again. Any other ideas? I didn't see any other solution except remove squid :( -- MichaÅ Prokopiuk http://www.sloneczko.net
