*BSD News Article 54657


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From: root@buffnet.net (Superuser)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: INND1.4+MMAP=BROKEN MESS
Date: 6 Nov 1995 22:43:49 GMT
Organization: BuffNET
Lines: 24
Distribution: world
Message-ID: <47m335$eu3@buffnet2.buffnet.net>
References: <46ldvj$l3c@buffnet2.buffnet.net> <imzqekgzmt.fsf@hidden.cs.uidaho.edu> <472u66$dpo@blackbush.xlink.net> <47f3gf$2gu@atlas.uniserve.com>
NNTP-Posting-Host: buffnet1.buffnet.net
X-Newsreader: TIN [version 1.2 PL2]

Tom Samplonius (tom@uniserve.com) wrote:
: In article <472u66$dpo@blackbush.xlink.net>, hwr@xlink.net says...
: >|> for about a week (was running on 2.0).  I am using MMAP, and it's
: >|> working fine (I don't have the renumber problem).  I have two incoming
: >|> feeds and over 6k active newsgroups.
: >
: >And I have 20 incoming feeds, > 60 outgoing and do have problems .. I 
: >think that many problems just don't appear beaause machines are not loaded.

:   I've seen this problem with mmap and INN too.  Basically, the active file wasn't 
: staying current, and the hi index value was dropping behind, causing "cant symlink" 
: errors.

:   I believe the problem is related to swapping.  On heavy swapping systems, it will 
: happen a lot.  It appears that when the mmap'ed active is paged out, sometimes it isn't 
: written back to the file, but when it is paged in, it is read back from the file.


I dunno if I want to run out and buy another 64MB of ram!  (actually I 
would probably have to trash the 64MB I have since I believe its multiple 
smaller sims)  UGH...

: Tom