@Peter
Is there database access during this? I'm not sure, a few people mentioned
checking this the next time it happened, so I will check
-What external dependencies are there (if any)?
- Databases? There are some LOCAL database calls to MySQL running on
the same server, that it all
- External Calls?
-Do you have high timeouts on anything? Not sure what you mean hear, when
this happens pages take a VERY long time to load, if at all
-Is it just very inefficient code? Not likely, the same code has been used
on other machines withouh any problem.
At this point (in my experience), if you do not see a clear indication of
the issue in the apache logs, it's not apache. I have enabled forensic
logging to help trace the problem the next time it happens.
@Daniel Reinhardt
I don't really think that CPU is the issue. As others have mentioned the
hits are very low and I simply host a few blogs, some dev sites, and other
misc things. I once ran an very popular game site (getting upwards of 1
million hits a month with a database back end) on a low-end Athlon XP
processor with 768MB of RAM and it ran fine. It was Win 2000 running Xampp.
I am running 64Bit Fedora currently but I don't believe that RAM is the
issue either.
I will be sure to block that IP address.
@Nicholas Sherlock
That is correct, I don't run anything very impressive at all, with the
exception of a few domains, most of them don't even really have much if
anything on them. The server handles mail also (though I just put mail on
it a week or two ago, after the first time this happened) but it just
forwarding them all to external addresses.
@Justin Pasher
I agree, I have run MUCH higher traffic on a much lower end machine. I
truly do not believe the system spec to be the problem as the first time
this happened there was only 2 web site on the box.
@Eric Covener
I completely agree, this does not seem to be from a lack of resources.
Thanks,
--
Dan
http://www.moonlightrpg.com
http://www.linkedin.com/in/danbunyard
http://www.danodemano.com
http://www.dansrandomness.com
http://www.danandshelley.com
This is not a problem that requires infinite wisdom, Benj. This is a problem
that requires enough neural organization to qualify as a vertebrate,
apparently a stretch for some folks these days.
~Cecil Adams.
On Thu, Jan 28, 2010 at 12:18, <[email protected]> wrote:
>
> >
> > >
> > > Obviously not in this case as this person wouldn't ne here complaining
> about
> > > apache and its processes. The issue here is the CPU is too weak even
> if it
> > > is a 2.4Ghz processor. The E2220 isn't suitable for a server
> processor.
> > > Its strictly for home computing. I help remote administrate a server
> that
> > > supports 10 Domains and 5 E-Mail Servers that receive a whole lot more
> > > traffic on a P3 933Mhz and these issues are not occurring there, and
> the
> > > settings for Apache are default.
> >
> > Having lots of processes hanging around doesn't imply high CPU usage
> > or insufficient horsepower.
> >
>
> Is there database access during this? High load is not indicative of the
> CPU working hard. High load, in this case, is due to the CPU not getting
> answers back fast enough, and processes queueing up (eventually shutting
> down apache). It will consume all available threads (connections), then
> start killing the box.
>
> -What external dependencies are there (if any)?
> - Databases?
> - External Calls?
>
> -Do you have high timeouts on anything?
>
> -Is it just very inefficient code?
>
> At this point (in my experience), if you do not see a clear indication of
> the issue in the apache logs, it's not apache.
>
> Peter J. Milanese
>
> > --
> > Eric Covener
> > [email protected]
> >
> > ---------------------------------------------------------------------
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> >
>
>
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