Re: WebCatalog on OSX and %CPU
This WebDNA talk-list message is from 2003
It keeps the original formatting.
numero = 52317
interpreted = N
texte = Jeff, I believe you _should_ worry about this. If your processor is consistently using 90+% of the CPU, then you have some bad code someplace, or the box is just extremely busy. Is the box __extremely__ busy? We had a situation like this, The server was fine, then it ran for a while at 150-180% and then it would eventually crash. It was due to some bad code that did a search on a large database, with no limits on results and really not much in the way of search criteria. The page was a secondary 'results' page, that a user would never hit without passing form variables, but whenever a spider would hit The page it would throw webcat into a loop. Enough spiders hit the page, and crash... The machine 'worked' during this time, that is, you couldn't really notice a slowdown in response times... until it crashed. Just as a reference point, since fixing the problem, our xserve now runs webcat at 0% with spikes to 20 or 30. And it does 20-30k sustained bandwidth. And, it 'seems' WAY faster... On 8/18/03 12:18 PM, Jeff Logan mashed the following keys : > Thanks for letting me know. > > Jeff Logan > > >> Hi Jeff, you shouldn't need to worry about this I don't think. >> >> I believe your *nix OS is just allocating that much until another >> process demands some bandwidth. >> >> Donovan >> >> Jeff Logan wrote: >>> I see in Process Viewer that WebCatalog is using 100% or more of my CPU, >>> how can this be and should I be worried. The CPU % ranges from 90 to 105. >>> Note machine is Dual Processor. >>> >>> Server seems really fast though. >>> Jeff >> >> -- >> =o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o >> DONOVAN D. BROOKE >> Eucalyptus Design >> Developer / Consultant >> <-Web Development (specializing in eCommerce), -> >> <-Graphic Design, and Pre-Press Consultation -> >> >> ADDRESS:> Donovan Brooke >> DBA Eucalyptus Design >> P.O. Box 260153 >> Madison, WI 53726-0153 >> >> PH:> 1.608.592.3567 >> email:> dbrooke@euca.us >> Web:> http://www.euca.us >> =o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o >> >> ------------------------------------------------------------- >> This message is sent to you because you are subscribed to >> the mailing list
. >> To unsubscribe, E-mail to: >> To switch to the DIGEST mode, E-mail to >> >> Web Archive of this list is at: http://webdna.smithmicro.com/ > > > ------------------------------------------------------------- > This message is sent to you because you are subscribed to > the mailing list . > To unsubscribe, E-mail to: > To switch to the DIGEST mode, E-mail to > > Web Archive of this list is at: http://webdna.smithmicro.com/ > ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://webdna.smithmicro.com/
Associated Messages, from the most recent to the oldest:
Jeff, I believe you _should_ worry about this. If your processor is consistently using 90+% of the CPU, then you have some bad code someplace, or the box is just extremely busy. Is the box __extremely__ busy? We had a situation like this, The server was fine, then it ran for a while at 150-180% and then it would eventually crash. It was due to some bad code that did a search on a large database, with no limits on results and really not much in the way of search criteria. The page was a secondary 'results' page, that a user would never hit without passing form variables, but whenever a spider would hit The page it would throw webcat into a loop. Enough spiders hit the page, and crash... The machine 'worked' during this time, that is, you couldn't really notice a slowdown in response times... until it crashed. Just as a reference point, since fixing the problem, our xserve now runs webcat at 0% with spikes to 20 or 30. And it does 20-30k sustained bandwidth. And, it 'seems' WAY faster... On 8/18/03 12:18 PM, Jeff Logan mashed the following keys : > Thanks for letting me know. > > Jeff Logan > > >> Hi Jeff, you shouldn't need to worry about this I don't think. >> >> I believe your *nix OS is just allocating that much until another >> process demands some bandwidth. >> >> Donovan >> >> Jeff Logan wrote: >>> I see in Process Viewer that WebCatalog is using 100% or more of my CPU, >>> how can this be and should I be worried. The CPU % ranges from 90 to 105. >>> Note machine is Dual Processor. >>> >>> Server seems really fast though. >>> Jeff >> >> -- >> =o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o >> DONOVAN D. BROOKE >> Eucalyptus Design >> Developer / Consultant >> <-Web Development (specializing in eCommerce), -> >> <-Graphic Design, and Pre-Press Consultation -> >> >> ADDRESS:> Donovan Brooke >> DBA Eucalyptus Design >> P.O. Box 260153 >> Madison, WI 53726-0153 >> >> PH:> 1.608.592.3567 >> email:> dbrooke@euca.us >> Web:> http://www.euca.us >> =o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o=o >> >> ------------------------------------------------------------- >> This message is sent to you because you are subscribed to >> the mailing list . >> To unsubscribe, E-mail to: >> To switch to the DIGEST mode, E-mail to >> >> Web Archive of this list is at: http://webdna.smithmicro.com/ > > > ------------------------------------------------------------- > This message is sent to you because you are subscribed to > the mailing list . > To unsubscribe, E-mail to: > To switch to the DIGEST mode, E-mail to > > Web Archive of this list is at: http://webdna.smithmicro.com/ > ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://webdna.smithmicro.com/
Aaron Lynch
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