[ZWeb] Re: Zope.org general performance
andrew at zope.com
Tue Aug 24 10:16:35 EDT 2004
Chris Withers wrote:
> Andrew Sawyers wrote:
>>>> 1. Some search engine or other spider is ocassionally crawling some
>>>> non-cached and very CPU intensive pages.
>> I definately think this is happening and was going to check the logs
>> in related to our load warnings.
> There are load warning? Where do these go?
They go to our SA's at the moment. It's actually monitoring alerts,
which include a variety of checks, including load.
> Where does Squid (if that's what does the master logging) keep its logs?
in /var/log/squid -- I think I'll get webalizer running on them. Do we
want them generally available to the world?
>>> Hypthesis 3: it's the network. Perhaps the load balancer or some
>>> other box is dropping packets. I don't think I saw a delay when I
>>> accessed the site through an SSH tunnel (to reach a specific app
>> Not this, we didn't put anything behind a loadbalancer. There are two
>> app servers behind a squid though; I have been doing a lot of squid
>> fine tuning for another project and I can take a look at this and see
>> if there are any areas I know will immediately improve the cahce
> That would be very cool, thanks!
It's possible there was (is) a performance bottleneck at the cache under
heavy traffic - I did do some tuning on squid this morning, it will take
a little monitoring on my part to get it dialed in; but it's definately
going to be better then it was.
>> Casey and I were working on a problem recently that requires intensive
>> catalog queries to display pages, but often always only needed to
>> display the X recent items. Today is the first day I can monitor the
>> performance results of this; but we expect it to be massive. I would
>> expect Zope org could benefit from this type of index also -- it's
>> been released as OpenSource.
> Cool, I have a few projects that would also love this. Where can I find it?
Good question; I'm not sure. I'll ask him where he put it.
> And, from a Zope.org point of view, what version of Zope does it
> require? :-S
I've used it with 2.6.x and 2.7.x
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