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From: Peter Eisentraut <[email protected]>
To: Emmanuel Kasper <[email protected]>
Cc: [email protected]
Subject: Re: docs/9.1/static/kernel-resources.html needs updating for NetBSD
Date: Sun, 24 Feb 2013 18:55:00 -0500
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
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On Wed, 2013-02-20 at 17:42 +0100, Emmanuel Kasper wrote:
> Hello
> 
> The default number of semaphores sets of NetBSD ist too low for Postgres
> (tested on 9.1)
> 
> I would suggest replacing the sentence:
> 
> In NetBSD 5.0 and later, IPC parameters can be adjusted using sysctl,
> for example:
> 
> $ sysctl -w kern.ipc.shmmax=16777216
> 
> 
> with the following:
> 
> The default settings are only suitable for small installations. In
> NetBSD 5.0 and later, IPC parameters should be adjusted using sysctl,
> for example:
> 
> $ sysctl -w kern.ipc.shmmax=16777216
> $ sysctl -w kern.ipc.semmni=256
> $ sysctl -w kern.ipc.semmns=512

In 9.3, the requirements for shared memory have changed, so this might
no longer be appropriate advice going forward.




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