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List:       freebsd-hackers
Subject:    mbufs question/problem
From:       Dennis <dennis () etinc ! com>
Date:       1999-06-30 20:47:41
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I have a customer who has been experiencing "slow downs" with a freebsd
router....they have substantially increased performance by reducing
MINCLSIZE. I havent tracked the source, but im trying to hypothesize what
it might be. On the surface I cant see any relationship since very few
routines seem dependent on that value (m_devget() in particular, but I dont
believe they are using any driver that use it). Is it possible that they
are running out of small mbufs (they have NMBCLUSTERS set to a very high
value)?

Any ideas would be helpful.

Dennis






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