On Thu, Sep 10, 2009 at 10:54 AM, Avinash Rao <avinash.aol@xxxxxxxxx> wrote: > On Wed, Sep 9, 2009 at 5:45 PM, Amos Jeffries <squid3@xxxxxxxxxxxxx> wrote: >> Avinash Rao wrote: >>> >>> Dear all, >>> >>> I am sure this question would have been posted many times. I read a >>> few threads, but my requirement or setup is a bit different. I am >>> running Squid2.6stable18 on Ubuntu Server 8.04 Server 64-bit installed >>> on Sun Fire X4150 Server with 8GB RAM + 8 SAS HDD's - RAID 5 + 2 Quad >>> Core Intel Xeon Processors. >>> >>> I have both LTSP and WinXP clients using Squid. Many times i have >>> noticed, squid stops responding, the browser keeps trying to connect >>> and i don't see any error in cache.log or store.log. My only way out >>> is to restart squid. >> >> Usually means Squid is doing something with its on-disk storage. >> >>> >>> I read through cache_mem, my current configuration is 100MB, i >>> changed it to 128MB, but squid couldn't start saying the cache_mem is >>> more than cache_disk size. >>> >>> Why does this happen and what is the recommended configuration for the >>> hardware i have? >> >> You are missing a cache_dir option. Which means Squid-2 will be using the >> default and very inefficient 100 MB ufs formatted storage. >> >> Squid-3.1 and later are the only releases of Squid where cache_dir can be >> fully removed from the config. >> >> Either define a cache_dir to use the disks or setup the "null" cache_dir >> type for memory-only storage. >> >>> >>> squid.conf: Please donot compare this config to my other posts, as >>> this is on a different server and it has a very basic configuration. >>> >>> visible_hostname sunserver >>> hierarchy_stoplist cgi-bin ? >>> acl QUERY urlpath_regex cgi-bin \? >>> no_cache deny QUERY >> >> Drop 'no_cache' use instead: >> cache deny QUERY >> >>> hosts_file /etc/hosts >>> http_port 10.10.10.10:3128 >>> refresh_pattern ^ftp: 1440 20% 10080 >>> refresh_pattern ^gopher: 1440 0% 1440 >>> refresh_pattern . 0 20% 4320 >>> >>> acl all src 0.0.0.0/0.0.0.0 >>> acl manager proto cache_object >>> acl localhost src 127.0.0.1/255.255.255.255 >>> acl to_localhost dst 127.0.0.0/8 >>> acl SSL_ports port 443 563 >>> acl Safe_ports port 80 # http >>> acl Safe_ports port 21 # ftp >>> acl Safe_ports port 443 563 # https, snews >>> 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 631 # cups >>> acl Safe_ports port 777 # multiling http >>> acl Safe_ports port 901 # SWAT >>> acl Safe_ports port 993 # IMAP >>> acl Safe_ports port 587 # SMTP >>> acl Safe_ports port 22 # SSH >>> acl purge method PURGE >>> acl special_urls url_regex "/etc/squid/squid-noblock.acl" >>> acl extndeny url_regex -i "/etc/squid/blocks.files.acl" >>> acl malware_block_list url_regex -i "/etc/squid/malware_block_list.txt" >>> acl badurl url_regex -i teen orkut youtube sex mp3 mp4 >>> acl lan src 10.10.10.0/24 >>> acl stud ident_regex babu >>> acl download method GET >>> acl CONNECT method CONNECT >>> cache_mem 100 MB >>> ident_lookup_access allow all >>> deny_info http://malware.hiperlinks.com.br/denied.shtml malware_block_list >>> http_access allow manager localhost >>> http_access deny manager >>> http_access allow purge localhost >>> http_access allow special_urls >>> http_access deny extndeny download >>> http_access deny extndeny >>> http_access deny purge >>> http_access deny !Safe_ports >>> http_access deny CONNECT !SSL_ports >>> http_access deny badurl >>> http_access deny malware_block_list >>> http_access allow localhost >>> http_access allow lan >>> http_access deny all >>> http_reply_access allow all >>> icp_access allow all >>> coredump_dir /var/spool/squid >>> >>> >>> Many Thanks >>> Avinash >> >> >> -- >> Please be using >> Current Stable Squid 2.7.STABLE6 or 3.0.STABLE18 >> Current Beta Squid 3.1.0.13 >> > > Thank you all for the information. I read the documentation. > To begin with I have set cache_dir to 256MB and cache_mem also to 256 > MB. Which takes the precedence? I guess the pages are stored/retrieved > from the RAM. Does this setting mean that, once 256MB is reached in > RAM it will start storing the pages in cache_dir? > > Thanks, > Avinash > Hi Guys, I just tested it, but it was pretty slow, the page was not loading only. Strange coz, the cache_mem is increased to 256MB and its still slow? How does this work? According to the squid Documentation, i recommended size for cache_dir is 7000 or 8000! I set cache_dir to null /tmp and i could see a lot of difference and it worked pretty well. Thanks Avinash
