Re: [Condor-users] Multicollectors

[Rita <rmorgan466@xxxxxxxxx>]

your responses cleared my doubts. thanks

On Mon, Jan 31, 2011 at 10:16 AM, Dan Bradley <dan@xxxxxxxxxxxx> wrote:

A multi-tier collector is particular important for large dynamic pools that operate over high-latency networks using strong authentication.  By high-latency I mean round trip times over 50 milliseconds.  By large dynamic pools, I mean pools such as those created by glideinWMS where nodes can come and go at rates of 10 per second or more.

In contrast to those conditions, you are unlikely to see much benefit from a multi-tier collector on a fast secure network with long-lived nodes.

--Dan

On 1/30/11 1:30 PM, Steven Timm wrote:

That wiki page was written for GSI authentication which has become a
lot more stable now with fewer memory leaks.  The most GSI slots I have run in a single collector
is about 16K. I think the production glideinWMS are doing more than
that now but  I know at one point they used a tiered collector, not
sure if they still do.

As the wiki page hints, it is easy to get a static pool going that is that
big.  the load comes when you have a huge influx of slots into the pool
or a huge drop of slots from the pool, or glidein slots that come and
go all the time.

Steve Timm


On Sun, 30 Jan 2011, Rita wrote:

When does one have to worry about getting another collector?

Also, is this still valid? I am hoping things have changed and collectors
have become more scalable.
https://condor-wiki.cs.wisc.edu/index.cgi/wiki?p=HowToConfigCollectors

caio

_______________________________________________
Condor-users mailing list
To unsubscribe, send a message to condor-users-request@xxxxxxxxxxx with a
subject: Unsubscribe
You can also unsubscribe by visiting
https://lists.cs.wisc.edu/mailman/listinfo/condor-users

The archives can be found at:
https://lists.cs.wisc.edu/archive/condor-users/

-- 
--- Get your facts first, then you can distort them as you please.--