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Date:      Thu, 29 May 1997 22:58:13 -0400
From:      "Gary Palmer" <gpalmer@FreeBSD.ORG>
To:        Frank MacLachlan <fpm@n2.net>
Cc:        freebsd-isp@FreeBSD.ORG
Subject:   Re: INN-1.5.1: overchan falls behind 
Message-ID:  <22593.864961093@orion.webspan.net>
In-Reply-To: Your message of "Thu, 29 May 1997 13:21:17 PDT." <199705292021.NAA05250@ravel.n2.net> 

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Frank MacLachlan wrote in message ID
<199705292021.NAA05250@ravel.n2.net>:
> Since upgrading to a news server running FreeBSD 2.2-STABLE and
> inn-1.5.1, I've been seeing messages such as:
> 
>    May 27 03:27:24 jsbach innd: overview!:20:proc:15712 wakeup
>    May 27 03:27:24 jsbach innd: overview!:20:proc:15712 cant write Resource
>      temporarily unavailable
>    May 27 03:27:24 jsbach innd: overview!:20:proc:15712 blocked sleeping 120
> 
> The problem seems to begin soon after expireover runs, but can persist
> after expireover finishes.  Throttling the server doesn't help - the
> problem persists even if the system is totally quiescent.  Eventually
> the data gets tossed:

Try leaving the system unthrottled and instead do a:

ctlinnd flush overchan!

(or ctlinnd flush overchan\! to avoid shell expansion)

If that recovers it, you may benefit from a small change I made to
overchan (basically increasing the buffer size). There seems, however,
to be a more serious i/o contention issue :-/

Gary
--
Gary Palmer                                          FreeBSD Core Team Member
FreeBSD: Turning PC's into workstations. See http://www.FreeBSD.ORG/ for info



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