[Zope] ZEO and a front end...

[Bill Anderson]

Toby Dickenson wrote:
> 
> On Fri, 14 Jul 2000 14:12:33 -0600, Bill Anderson <bill@libc.org>
> wrote:
> 
> >Roman Milner wrote:
> >>
> >> I'm wondering if anyone can suggest something good to run in front of
> >> 2 zopes talking to a zeo server - for failover and load balancing.  I
> >> have been using a tool called 'balance' which works really well - but
> >> for failover it only works if the socket to one of the zope servers
> >> doesn't connect.
> >>
> >> We occasionally have a situation where the socket will still answer
> >> but the zope server hanges and never returns an answer.  So, I'm
> >> looking for something with configurable timeouts on responses.  Does
> >> any one know of anything like that?
> >
> >
> >You didn't specify the platform, so I'll suggest a nice, cost-effective
> >one:
> >Linux with IPVS (IP Virtual Server). www.linux-ha.com has more
> >information.
> 
> That looks good on paper, and I may be setting up a trial system next
> month.

I'm doing it this week, I'll keep you posted ;-)

> 
> One disadvantage is that solution is that each Zope will have poor
> locality-of-reference within the object database. I think I can avoid
> that using a squid redirector (www.squid-cache.org). Ill post any
> news.

What do you mean?

 


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