>
> >>>>> Christopher Akritides writes:
>
> Christopher> Does the limit of active asynchronous requests specified
> Christopher> with the '-window' option apply to each individual
> Christopher> session, or to the total number of pending requests for
> Christopher> the script?
>
> Something in between. A session with a window of 5 means that packets
> from this session will not get on the wire until there are less then 5
> packets from all session on the wire. Note that the order in the queue
> does not change. Thus, a session with a window of 10 can have more
> packets on the wire than a session with a window of 5 iff the first
> session generated more packets in sequence.
Ok, this makes sense. Is there a way to get the current size of the
output/input queues?
> I am not saying this is the best strategy nor am I sure that this
> really works as designed. (I remember a recent test with a single
> scotty process polling thousands of agents where some strange things
> started to happen after a few minutes.)
My script needed to poll ds1 statistics for over 2500 hosts in under 15
minutes. I have been able to do it in under 5 minutes, which comes out to
over 2000 oids/sec on average! Scotty is handling this load very well,
provided I have a large enough window.
The only problems I see are when I increase the number of concurrent
sessions beyond 100 or so. I then have to set my timeout value to over a
minute, but I'm still very satisfied! :-)
Chris
>
> /js
>
> --
> Juergen Schoenwaelder Technical University Braunschweig
> <schoenw@ibr.cs.tu-bs.de> Dept. Operating Systems & Computer Networks
> Phone: +49 531 391 3289 Bueltenweg 74/75, 38106 Braunschweig, Germany
> Fax: +49 531 391 5936 <URL:http://www.ibr.cs.tu-bs.de/~schoenw/>
>
>
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