GNU bug report logs - #43371
[PATCH] doc: prevent host/container nscd mismatch

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From: Ludovic Courtès <ludo <at> gnu.org>
To: conjaroy <conjaroy <at> gmail.com>
Cc: 43371 <at> debbugs.gnu.org, edk <at> beaver-labs.com, 41575 <at> debbugs.gnu.org
Subject: [bug#43371] [PATCH] doc: prevent host/container nscd mismatch
Date: Mon, 14 Sep 2020 09:26:47 +0200

Hi,

conjaroy <conjaroy <at> gmail.com> skribis:

> A separate nscd per container also seems like a reasonable option. However,
> for the sake of machines hosting many long-lived containers, perhaps we
> should consider reducing the cache size: currently it's 32MB for each name
> service type, with an expiration of 12-24 hours:
>
> https://git.savannah.gnu.org/cgit/guix.git/tree/gnu/services/base.scm?id=1042d269a723360a02b19a2baafef1e24a3bfc73#n1115

Good point.

In that case, we can have ‘containerized-operating-system’ provide its
own NSS configuration with a reduced cache size (or without cache since
there’s caching happening on the host for host name lookups, for
instance).

WDYT?  Would you like to give it a try?

Thanks,
Ludo’.

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