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Date:      Tue, 27 Jun 1995 11:03:29 -0400
From:      Garrett Wollman <wollman@halloran-eldar.lcs.mit.edu>
To:        =?KOI8-R?Q?=E1=CE=C4=D2=C5=CA_=FE=C5=D2=CE=CF=D7?= aka "Andrey A. Chernov, Black Mage" <ache@astral.msk.su>
Cc:        freebsd-current <freebsd-current@freefall.cdrom.com>
Subject:   Re: mb_map full with GATEWAY and maxusers 64!
Message-ID:  <9506271503.AA20062@halloran-eldar.lcs.mit.edu>
In-Reply-To: <xTCLqxlOS9@astral.msk.su>
References:  <199506262226.PAA17617@corbin.Root.COM> <xTCLqxlOS9@astral.msk.su>

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<<On Tue, 27 Jun 1995 03:39:56 +0400 (MSD), =?KOI8-R?Q?=E1=CE=C4=D2=C5=CA_=FE=C5=D2=CE=CF=D7?= aka "Andrey A. Chernov, Black Mage" <ache@astral.msk.su> said:

> I wonder why it happens on my host, as I already said, user activity
> was very low, and I am not running HTTP/anon FTP/IRCD/NFSD or other
> network-consume daemons, just plain routed+named.

The C library's stub resolver likes to use TCP connections to talk to
named (so that it can get a somewhat guaranteed indication of success
or failure).  If you do a lot of DNS resolution very quickly, then
this can create a lot of TCP connections in TIME_WAIT state.

-GAWollman

--
Garrett A. Wollman   | Shashish is simple, it's discreet, it's brief. ... 
wollman@lcs.mit.edu  | Shashish is the bonding of hearts in spite of distance.
Opinions not those of| It is a bond more powerful than absence.  We like people
MIT, LCS, ANA, or NSA| who like Shashish.  - Claude McKenzie + Florent Vollant



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