[ic] Most Common Performance Issues

John Beima interchange-users@icdevgroup.org
Thu Aug 22 20:23:02 2002


Quoting cfm@maine.com:

> On Thu, Aug 22, 2002 at 03:57:14PM -0700, Barry Treahy, Jr. wrote:
> > Michael Stearne wrote:
> > 
> > >Our site is running IC on a DP 800Mhz Redhat box with 512MB of RAM 
> > >with SCSI disk.  This machine runs only IC.  The site is based off of 
> > >the foundation sample site and contains about 300 product using the 
> > >standard (non-RDBMS) database.  We have seen decreasing performance 
> > >over the last 6 months the site has been up.  There is up to 4 IC 
> > >processes running at a time because of traffic.  Each page on the site 
> > >takes from 2-10 secs to generate.  This is across all platforms and 
> > >browsers at LAN speed. If an IC process has the machine to itself 
> > >(only 1 user on the site), that process will take 97% of the CPU.  
> > >While this is understandable, even when there is 1 process, it still 
> > >takes ~4 seconds to generate a page.  I don't know how a machine as 
> > >powerful can get floored by 4 concurrent users.
> > >
> > >Currently we run expireall each day.  This seems to help a little.
> > >
> > >What else could I do (configuration, cron, etc) to work on performance? 
> > 
> 
> I'd suggest you get someone with sysadmin experience to look at it
> first.  You say **only** IC.  Do you mean **only** IC PLUS
> apache+mod_ssl+ whatever, etc...?
> 
> What does top tell you?  yadda yadda.
> 
> Nor do you say if you are making 15 thousand sales a day or 15.  How
> many pages a day are you serving?
> 
> 

You have also not mentioned if you are expiring old sessions or not.


John Beima
jbeima@palb.com, support@alocalagent.com, and support@alocalchurch.com

P.A.L.B. Systems - Phone: (780)451-1086 - Fax: (780)447-4760
11639-122 Street, Edmonton, Alberta, Canada, T5M 0B6

Affordable Web Pages - Phone: (888)932-9990 - Fax: (256)351-7297
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> 
> 
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> 
> Christopher F. Miller, Publisher                              
> cfm@maine.com
> MaineStreet Communications, Inc           208 Portland Road, Gray, ME 
> 04039
> 1.207.657.5078                                        
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