Is switching to
http://www.lighttpd.net/ possible? I've heard its has a
smaller memory footprint, is faster than Apache, making these spikes easier
to deal with.
Eric
On Wed, May 19, 2010 at 1:19 PM, Matt Graham <
danceswithcrows@usa.net>wrote:
> From: Dan Dubovik <dandubo@gmail.com>
> > If you are running into issues with too many httpd processes spinning up,
>
> Why do people call problems "issues"?
>
> > You could run into similar constraints if you hit MaxClients (assuming
> > apache here?) Is the cause of the load from the web server spinning up a
> bunch
> > of processes all of a sudden? Or from the code it is attempting to parse
> /
> > deliver? Increasing the number of servers that are started up could also
> > help in preventing a spike of load if it is the former.
>
> 256M RAM means there's a hard and relatively low limit on the number of
> apache
> processes you can start. About 10 or 12 seems to be the max here. I tried
> adjusting MaxClients, ServerLimit, MaxRequestsPerChild, *buffer_size,
> query_cache* , and so forth in httpd.conf and my.cnf according to what
> other
> people said worked for them in the slicehost wiki and forum. Nothing
> helped.
> RAM is AFAICT the limiting factor on a cheap slice, since almost nobody
> runs
> production stuff on boxes with that little RAM.
>
> > it seems that having that 30 second sleep in the middle of a bunch
> > of traffic, would go against the (supposed) goal of driving traffic
>
> 30 second downtime, or 4 hour downtime? Traffic is secondary to having the
> box stay up without manual intervention; if some people get 404s for a
> while,
> oh well. The sleep() could probably be reduced to 15. I know 30 works
> though.
>
> If this were some sort of profit-generating site, I'd have sprung for a
> more
> expensive slice with more RAM, and these problems probably never would've
> come
> up. However, there are probably people out there who don't have a lot of
> money and are facing similar problems.
>
> --
> Matt G / Dances With Crows
> The Crow202 Blog: http://crow202.org/wordpress/
> There is no Darkness in Eternity/But only Light too dim for us to see
>
>
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