I guess I don't see the point. Do you see this as "rate gate" mechanism?
Isn't the OS just going to fill up that space as quickly as possible and
then throw away what doesn't fit? So how do you know there isn't
something in there you want? But it might reduce the rate of incoming
traps though it seems risky to me.
MLM is a much better bet. You add a new daemon to share he workload,
because otherwise there is no controlled way to discard incoming traps you
don't want. Whatever comes in trapd is still going to have to process it
eventually. And when he does they are going to go to nvcorrd, just like
before. Nobody's workload is reduced, unless you get a prior agent to
restrict the flow. Even if your gate works, it might still be a disaster
if you later miss something important.
James Shanks
Level 3 Support for Tivoli NetView for UNIX and NT
Tivoli Software / IBM Software Group
Leslie Clark/Southfield/IBM@IBMUS
04/16/2003 08:44 AM
To: nv-l AT lists.tivoli DOT com
cc:
Subject: [nv-l] udp_recvspace vs tcp_recvspace
For systems that are short of memory and being flooded with unsolicited
traps that cannot be turned off for a while, I wonder if this approach
would be appropriate: reduce the 'no' setting for udp_recvspace to
something rather smaller, but leave tcp_recvspace at the correct value.
Would this cause trapd to miss out on incoming traps, but still get all of
the Netview - generated ones? Trapd is handling the flood fine, but
nvcorrd
can't keep up. Just wondering... My next suggestion is going to be an MLM
on the same box.
Cordially,
Leslie A. Clark
IBM Global Services - Systems Mgmt & Networking
(248) 552-4968 Voicemail, Fax, Pager
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