----- Original Message ----- > > > > Thanks for the info I will look in to it with our Hosting provider.. > and see what we can do… sound s a bit complicated, but maybe worth > it in the end…
Of course you can always throw more hardware at it.. http://teddziuba.com/2010/12/the-3-basic-tools-of-systems-engineering.html The question is if it doesn't come cheaper to invest a little time. I'd also look into http://httpd.apache.org/docs/trunk/mod/mod_proxy_fcgi.html as an alternative to a special instance with mod_fcgid. Also: http://blag.esotericsystems.at/2010/02/introducing-more-caching/ > Thanks again… i > Rob Morin > > Systems Administrator > > Infinity Labs Inc. > > (514) 387-0638 Ext: 207 > > ilabs-email-sig > > > > > > > > From: Jeroen Geilman [mailto:jer...@adaptr.nl] > Sent: Monday, June 13, 2011 3:33 PM > To: users@httpd.apache.org > Subject: Re: [users@httpd] General question - Apache server-status > page > > > > On 06/13/2011 09:23 PM, Rob Morin wrote: > > Can you please point me in some direction when you say “ Consider > proxying dynamic requests to a dedicated backend (which can run on > the same machine).” > > > 1. set up apache to run the worker MPM; this has a much smaller > memory footprint, and can start threads much faster than prefork > can. > Much, much faster. > Scale these "middle-ends" to handle 2000+ threads simultaenously; > this needs only a few gigs. > 2. proxy all dynamic content - however identified - to a dedicated > mod_fcgid backend that runs your PHP (and cache, etc) > You can now control the exact resource ratio between static and > dynamic content, and tune it to your requirements, or so your > overall resources don't get clobbered. > 3. either use the same box(es) to run the fcgid PHP backend, or > delegate this task to separate backends, i.e. reallocate 3 of the > boxes to run workerproxies + static content, and use the other 3 to > run only dynamic content. > > There's more than one way to skin the cat. > > > > > > Do you mean a reverse proxy to go before the webservers? > > A URL of sorts? > > > > Thanks for your replies so far.. > > > > J > > > > > > > > > > > Rob Morin > > Systems Administrator > > Infinity Labs Inc. > > (514) 387-0638 Ext: 207 > > ilabs-email-sig > > > > > > > > From: Jeroen Geilman [ mailto:jer...@adaptr.nl ] > Sent: Monday, June 13, 2011 3:10 PM > To: users@httpd.apache.org > Subject: Re: [users@httpd] General question - Apache server-status > page > > > > On 06/13/2011 09:01 PM, Rob Morin wrote: > > My problem is as it stands, the loads are too high already, at peek > times our Dual Quad Core Xeons with 18 gigs of ram go as high as > 100.00 and this is with a max clients of 600. We do use memcache and > eaccelerator… > > > > I mean I should have been more clear… I do know what the W and C are > I was just wondering why there would only W and Cs.. sorry for the > confusion there… > > > > When the server is at a load of 100 we still have 2 to 3 gigs of ram > to spare and there is never any swapping… > > > > I just do not think that the problem is server capacity, it seems to > be something else I think, but not sure what? > > > > In a top I see every couple of mins on all servers this… > > 22498 apache 15 0 0 0 0 Z 0.3 0.0 0:45.98 httpd <defunct> > > > > So you're running bad scripts. > > Consider proxying dynamic requests to a dedicated backend (which can > run on the same machine). > > This offers much better control over resources, and will host 3 times > the requests easily. > > > > > > > > > Right now all our server are at … > > > > top - 14:58:31 up 7 days, 3:49, 3 users, load average: 138.71, > 121.10, 85.80 > > Tasks: 759 total, 1 running, 757 sleeping, 0 stopped, 1 zombie > > Cpu(s): 13.2%us, 2.5%sy, 0.0%ni, 82.9%id, 0.0%wa, 0.1%hi, 1.3%si, > 0.0%st > > Mem: 18470312k total, 12042288k used, 6428024k free, 580252k buffers > > Swap: 2096472k total, 0k used, 2096472k free, 8233784k cached > > > > > > Current Time: Monday, 13-Jun-2011 15:00:26 EDT > > Restart Time: Monday, 13-Jun-2011 12:54:23 EDT > > Parent Server Generation: 0 > > Server uptime: 2 hours 6 minutes 3 seconds > > Total accesses: 1062620 - Total Traffic: 197.1 MB > > CPU Usage: u2966.14 s1473.45 cu0 cs0 - 58.7% CPU load > > 141 requests/sec - 26.7 kB/second - 194 B/request > > 378 requests currently being processed, 201 idle workers > > WW_WW_CC_WCC_.__WWWWWW_.WW__W__W___WCWWCWW_CWW_CWWCWWW_WW__C__WW > > W__W___.WCC____CCCWWW_WC_W_WW_C_CCWWWC__CW_W.WWWWWW_W_CW.W__WWCC > > WWRW_WWW_WW___WC_WW_RWW_W_W_WWW_C___WWCCC__WWWWW_W___WC_C.WWWWC_ > > W_WWW___W__C_WWWWW_WWWWW_WW_W.WWW_WW_..___WCW___W_CWC_W_WW_WWWW. > > WC_WCWWCWCW_W_CC_.__.__WWC_CCCW_W_WW_W_W_WCWWWW___WWW_C__W__WWW_ > > _CWWC_W.WCW_CWCWW_WCWCW__W_CCW._WCCW_WC__WWWWW_C_WW_WCWWW__WCCCC > > W_W_W_WWCWWW_WWW_WWW_CWC____..WWW_W__W_.CWC_C_WC_C_WC___WW_WWWC_ > > _W_WW__WWW_C_WWCW__WW_W_WCW_W__CCWCCC_WWCW_..___WW_C_WWWWW_WCW_W > > __.__WW__W_C_CC__WCCWWWCWC_WW__W_R_WWC_W_W__WWWWWWWC_C_C_W__CRC_ > > WWCW_C__._WW_WCWWWWWW_WW > > > > > > > > I am sad…. > > > > > > > Rob Morin > > Systems Administrator > > Infinity Labs Inc. > > (514) 387-0638 Ext: 207 > > ilabs-email-sig > > > > > > > > From: Issac Goldstand [ mailto:mar...@beamartyr.net ] > Sent: Monday, June 13, 2011 2:36 PM > To: users@httpd.apache.org > Subject: Re: [users@httpd] General question - Apache server-status > page > > > > That your server(s) is/are swamped. > > Consider adding more worker threads/processes. > > Issac > > On 13/06/2011 21:23, Rob Morin wrote: > > If I see all the slots filled with W and C only, what would that > indicate, this is during high traffic times.. > > > > We are on Centos 64 bit with Apache 2.2, and have 6 webservers behind > HAproxy > > > > Thanks.. > > > > > > > > Rob Morin > > Systems Administrator > > Infinity Labs Inc. > > (514) 387-0638 Ext: 207 > > ilabs-email-sig > > > > > > > > > > > > -- J. > > > > > -- J. -- Igor Galić Tel: +43 (0) 664 886 22 883 Mail: i.ga...@brainsware.org URL: http://brainsware.org/ --------------------------------------------------------------------- The official User-To-User support forum of the Apache HTTP Server Project. 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