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Date:      Wed, 4 Mar 1998 22:44:40 -0500 (EST)
From:      "John S. Dyson" <dyson@FreeBSD.ORG>
To:        mike@smith.net.au (Mike Smith)
Cc:        dmaddox@scsn.net, evanc@synapse.net, Matthew.Thyer@dsto.defence.gov.au, mike@smith.net.au, shimon@simon-shapiro.org, current@FreeBSD.ORG
Subject:   Re: silo overflows (Was Re: 3.0-RELEASE?)
Message-ID:  <199803050344.WAA00470@dyson.iquest.net>
In-Reply-To: <199803050332.TAA23822@dingo.cdrom.com> from Mike Smith at "Mar 4, 98 07:32:25 pm"

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Mike Smith said:
> 
> Interesting; why change the mbuf size?  Is this a recommended change 
> for general operation, or is 128 bytes still preferred?
> 
The MSIZE isn't needed.

>
> > options		"TTYHOG=4096"
> 
> This increases tty-internal buffers, but wouldn't be expected to affect 
> interrupt latency.  (There may be some carryover though.)
> 
>  - Were you seeing "silo overflow" messages?
>  - Have the above changes affected your actual throughput?
> 
Note that i also changed the thresholds in the sio.c file.

-- 
John                  | Never try to teach a pig to sing,
dyson@freebsd.org     | it just makes you look stupid,
jdyson@nc.com         | and it irritates the pig.

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