Thanks for your info, I need to read a lot, thanks!!! On Thu, May 24, 2012 at 5:24 AM, Eliezer Croitoru <eliezer@xxxxxxxxxxxx> wrote: > i'm not that fan of linking to web pages so you will need to read but > sometimes it's a must. > starts with this: > http://www.mnot.net/cache_docs/ > to understand the basic things about http cache. > > this page: > http://www.squid-cache.org/Doc/config/refresh_pattern/ > is specific on squid refresh patterns usage. > > i must say that the above squid document took me awhile to understand and > until today i dont like the way it's organized (just my opinion) but it > contains everything about refresh_pattern. > > this document: > http://etutorials.org/Server+Administration/Squid.+The+definitive+guide/Chapter+7.+Disk+Cache+Basics/7.7+refresh_pattern/ > > was taken from squid book and is organized nicely. > > i will give you one site that is organized as heaven for http cache: > http://www.djmaza.com/ > > about the frontera.info you will want to check the main page instead of the > one you checked using: > http://redbot.org/?descend=True&uri=http://www.frontera.info/Home.aspx > > the server time is not correct but as for cache age it's not important. > > Regards, > > Eliezer > (you can look me up on squid irc channel) > > > > On 24/05/2012 03:59, Beto Moreno wrote: >> >> Hi, thanks for your info. >> >> I had try that tool, just need to understand: >> >> frontera.info say: >> >> General >> The server's clock is 3 min 58 sec behind. >> Content Negotiation >> The resource doesn't send Vary consistently. >> The server's clock is 3 min 58 sec behind. >> Content negotiation for gzip compression is supported, saving 42%. >> The server's clock is 3 min 58 sec behind. >> Caching >> This response only allows a private cache to store it. >> This response allows a cache to assign its own freshness lifetime. >> >> Now the embedded: >> >> Problems >> The server's clock is 3 min 58 sec behind. >> This response allows a cache to assign its own freshness lifetime. >> The resource doesn't send Vary consistently. >> The Content-Disposition header doesn't have a 'filename' parameter. >> Cache-Control: public is rarely necessary. >> The If-Modified-Since response is missing required headers. >> >> Now yahoo.com >> >> General >> The server's clock is correct. >> Caching >> >> This response only allows a private cache to store it. >> This response allows a cache to assign its own freshness lifetime. >> >> Now: noticiasmvs.com >> >> General >> The server's clock is correct. >> The Content-Length header is correct. >> >> Content Negotiation >> Content negotiation for gzip compression is supported, saving 22%. >> >> Caching >> This response allows all caches to store it. >> This response allows a cache to assign its own freshness lifetime. >> >> What I understand is that yahoo/frontera won't let squid to save some >> of their data, and noticiasmvs is open for squid, right? >> >> Will very appreciated if someone could explain me a little more about >> this output from this site I want to go deeper with squid, what we can >> do in this situation(private cache)? >> >> Thanks!!! >> >> On Wed, May 23, 2012 at 2:57 AM, Eliezer Croitoru<eliezer@xxxxxxxxxxxx> >> wrote: >>> >>> you can try to use this tool: >>> http://redbot.org/ >>> to make sure what are the sites cachebilaty options >>> maybe some objects there need some cache enforcement rules in the >>> refresh_pattern specified for them. >>> >>> Eliezer >>> >>> >>> On 23/05/2012 02:54, Beto Moreno wrote: >>>> >>>> >>>> I had been working on the settings: >>>> >>>> refresh_pattern. >>>> >>>> The doc say that is better for the new websites that use dynamic >>>> content and a friend here at the list explain me the difference. >>>> >>>> My test was simple: >>>> >>>> use 2 browsers: firefox/iexplore. >>>> Run the test twice for each site. >>>> >>>> first run >>>> firefox site1, site2,site3,site4 >>>> iexplore site1, site2,site3,site4 >>>> >>>> run ccleaner, repeat the test. >>>> >>>> run srg to get my squid-cache peformance and free-sa. >>>> >>>> They where 3 settings I try and make the same test. >>>> >>>> NOTE: every time I start a setting, I delete my cache, clean my logs >>>> and start from 0. >>>> >>>> setting 1 default settings >>>> acl QUERY urlpath_regex cgi-bin \? >>>> cache deny QUERY >>>> >>>> setting 2 new way: >>>> disable the old way: >>>> >>>> #acl QUERY urlpath_regex cgi-bin \? >>>> #cache deny QUERY >>>> refresh_pattern -i (/cgi-bin/|\?) 0 0% 0 >>>> refresh_pattern . 0 20% 4320 >>>> >>>> setting 2: >>>> >>>> refresh_pattern -i (/cgi-bin/|\?) 0 0% 0 >>>> refresh_pattern -i \.(gif|png|jpg|jpeg|ico)$ 10080 90% 43200 >>>> refresh_pattern -i \.index.(html|htm)$ 0 40% 10080 >>>> refresh_pattern -i \.(html|htm|css|js)$ 1440 40% 40320 >>>> refresh_pattern . 0 20% 4320 >>>> >>>> Them after I finish my test I start reviewing my logs and compare, >>>> the sites I use was: >>>> >>>> yahoo.com >>>> osnews.com >>>> frontera,info(local news paper) >>>> noticias,nvs.com >>>> centos.org >>>> >>>> I didn't interact with the site, just get to the first page, finish >>>> loading and done, continue with the next one. >>>> >>>> Once I check my reports I didn't see to much difference, I found just >>>> 1 log that the old way didn't "cache" 1 thing, check: >>>> >>>> setting 1/2 have this: >>>> >>>> 1337667655.898 0 192.168.50.100 TCP_MEM_HIT/200 21280 GET >>>> http://www.frontera.info/WebResource.axd? - NONE/- >>>> application/x-javascript >>>> >>>> setting 1 TCP_MISS. >>>> >>>> Example of part my logs: >>>> >>>> 1337667655.596 43 192.168.50.100 TCP_MISS/302 603 GET >>>> http://frontera.info/ - DIRECT/216.240.181.163 text/html >>>> 1337667655.748 54 192.168.50.100 TCP_MISS/200 1454 GET >>>> http://www.frontera.info/HojasEstilos/Horoscopos.css - >>>> DIRECT/216.240.181.163 text/css >>>> 1337667655.749 52 192.168.50.100 TCP_MISS/200 1740 GET >>>> http://www.frontera.info/Includes/Controles/LosEconomicos.css - >>>> DIRECT/216.240.181.163 text/css >>>> 1337667655.749 49 192.168.50.100 TCP_MISS/200 1557 GET >>>> http://www.frontera.info/Includes/Controles/ReporteroCiudadano.css - >>>> DIRECT/216.240.181.163 text/css >>>> 1337667655.754 54 192.168.50.100 TCP_MISS/200 1697 GET >>>> http://www.frontera.info/Includes/Controles/Elementos.css - >>>> DIRECT/216.240.181.163 text/css >>>> 1337667655.780 24 192.168.50.100 TCP_MISS/200 1406 GET >>>> http://www.frontera.info/Includes/Controles/Finanzas.css - >>>> DIRECT/216.240.181.163 text/css >>>> 1337667655.817 124 192.168.50.100 TCP_MISS/200 21639 GET >>>> http://www.frontera.info/HojasEstilos/Estilos2009.css - >>>> DIRECT/216.240.181.163 text/css >>>> 1337667655.898 0 192.168.50.100 TCP_MEM_HIT/200 21280 GET >>>> http://www.frontera.info/WebResource.axd? - NONE/- >>>> application/x-javascript >>>> 1337667655.903 20 192.168.50.100 TCP_MISS/200 1356 GET >>>> http://www.frontera.info/Interactivos/lib/jquery.jcarousel.css - >>>> DIRECT/216.240.181.163 text/css >>>> 1337667655.907 308 192.168.50.100 TCP_MISS/200 116552 GET >>>> http://www.frontera.info/Home.aspx - DIRECT/216.240.181.163 text/html >>>> 1337667655.935 23 192.168.50.100 TCP_MISS/200 3934 GET >>>> http://www.frontera.info/Interactivos/skins/fotos/skin.css - >>>> DIRECT/216.240.181.163 text/css >>>> 1337667655.966 27 192.168.50.100 TCP_MISS/200 3995 GET >>>> http://www.frontera.info/Interactivos/skins/elementos/skin.css - >>>> DIRECT/216.240.181.163 text/css >>>> 1337667655.971 23 192.168.50.100 TCP_MISS/200 4260 GET >>>> http://www.frontera.info/HojasEstilos/ui.tabs.css - >>>> DIRECT/216.240.181.163 text/css >>>> 1337667655.972 24 192.168.50.100 TCP_MISS/200 4953 GET >>>> http://www.frontera.info/HojasEstilos/thickbox.css - >>>> DIRECT/216.240.181.163 text/css >>>> 1337667655.993 21 192.168.50.100 TCP_MISS/200 4380 GET >>>> http://www.frontera.info/js/finanzas.js - DIRECT/216.240.181.163 >>>> application/x-javascript >>>> 1337667655.997 47 192.168.50.100 TCP_MISS/200 9341 GET >>>> http://www.frontera.info/Interactivos/lib/jquery.jcarousel.pack.js - >>>> DIRECT/216.240.181.163 application/x-javascript >>>> 1337667656.023 25 192.168.50.100 TCP_MISS/200 4239 GET >>>> http://www.frontera.info/videos/external_script.js - >>>> DIRECT/216.240.181.163 application/x-javascript >>>> >>>> 3 settings same TCP_MISS. >>>> >>>> I was thinking that maybe I will get more TCP_HIT, MEM_HIT, but no. >>>> noticiasmvs.com a lot HIT's but with the 3 settings. >>>> >>>> do this site disable caching their site? exist a way to find out? >>>> what could cause to still get a lot of MISS? >>>> where my settings wrong? >>>> my test was not the best way? >>>> how can I see if this new settings make a difference? >>>> >>>> Any input will be appreciated, thanks for your time!!! >>>> >>>> I'm using squid 2.7.x >>> >>> >>> >>> >>> -- >>> Eliezer Croitoru >>> https://www1.ngtech.co.il >>> IT consulting for Nonprofit organizations >>> eliezer<at> ngtech.co.il >>> > > > -- > Eliezer Croitoru > https://www1.ngtech.co.il > IT consulting for Nonprofit organizations > eliezer <at> ngtech.co.il
