Re: [ic] mod_interchange and Apache MaxClients

["John1" <suppressed>]

On Thursday, November 17, 2005 4:04 PM, suppressed wrote:

> > From: suppressed
> > [mailto:interchange-users- suppressed On Behalf Of John1
> > Sent: Thursday, November 17, 2005 2:47 AM
> >
> > On Wednesday, November 16, 2005 11:03 PM, suppressed wrote:
> >
> > > Here's another test to add to the list:
> > >
> > > When everything appears to pause, block port 80 at the firewall for
> > > a little while.  Remove the block and check whether the backlog has
> > > been cleared and IC is responding once again.  If this test
> > > succeeds then the problem is flood/backlog related.  If not then,
> > > well, it was worth a try.
> > In effect, I think I have verified that Apache doesn't start
> > responding again even if port 80 were to be blocked.  Once
> > MaxClients has been hit Apache stops servicing requests as it won't
> > spawn any more processes and for
> > whatever reason non of the Apache processes ever die after this
> > point, even
> > if the server is left for many hours over night when I know the
> > traffic to my site is very low indeed.  Ron & Jeff - do you also see
> > this effect?
>
> I will take a look next time the event happens while I'm in the
> office. What you describe seems to be what happened when MaxClients
> was reached last time.  Lots of processes running, but none of them
> getting anything done.
Ditto

> I did notice some MySQL processes taking more time and processor usage
> then normal last night so I decided to run an optimize on all of my
> tables.  The site definitely sped up and the site did not need a
> restart last night.  I'm not sure if they are connected or not, but
> perhaps John and Jeff can run optimize on their tables and then see
> if the issue continues to happen.
I have a cron job to optimize the tables once a week in the middle of the 
night. 


		
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