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From: Gionatan Danti <g.danti@assyoma.it>
To: LVM general discussion and development <linux-lvm@redhat.com>
Cc: "Tomas Dalebjörk" <tomas.dalebjork@gmail.com>
Subject: Re: [linux-lvm] lvm limitations
Date: Sun, 30 Aug 2020 20:01:11 +0200	[thread overview]
Message-ID: <29c466317b90d36bff995b3f3d0f4cf2@assyoma.it> (raw)
In-Reply-To: <8f19f639-107d-610d-0083-596d0c21a081@redhat.com>

Il 2020-08-30 19:33 Zdenek Kabelac ha scritto:
> For illustration  for 12.000 LVs you need ~4MiB just store Ascii
> metadata itself, and you need metadata space for keeping at least 2 of
> them.

Hi Zdenek, are you speaking of classical LVM metadata, right?

> Handling of operations like  'vgremove' with so many LVs requires
> signification amount of your CPU time.
> 
> Basically to stay within bounds - unless you have very good reasons
> you should probably stay in range of low thousands to keep lvm2 
> performing
> reasonably well.

What about thin vols? Can you suggest any practical limit with lvmthin?
Thanks.

-- 
Danti Gionatan
Supporto Tecnico
Assyoma S.r.l. - www.assyoma.it
email: g.danti@assyoma.it - info@assyoma.it
GPG public key ID: FF5F32A8

  reply	other threads:[~2020-08-30 18:03 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-29 23:25 [linux-lvm] lvm limitations Tomas Dalebjörk
2020-08-30 17:33 ` Zdenek Kabelac
2020-08-30 18:01   ` Gionatan Danti [this message]
2020-08-30 19:30     ` Zdenek Kabelac
2020-09-01 13:21       ` Gionatan Danti
2020-09-15 19:16         ` Tomas Dalebjörk
2020-09-15 20:08           ` Zdenek Kabelac
2020-09-15 21:24             ` Tomas Dalebjörk
2020-09-15 21:30               ` Stuart D Gathman
2020-09-15 22:24                 ` Gionatan Danti
2020-09-15 21:47               ` Zdenek Kabelac
2020-09-15 22:26                 ` Gionatan Danti
2020-09-16  4:25                   ` Tomas Dalebjörk
2020-09-17 19:24                     ` Zdenek Kabelac
2020-09-16  4:31                   ` Tomas Dalebjörk
2020-09-16  4:58                   ` Tomas Dalebjörk
2020-09-17 19:17                     ` Zdenek Kabelac
2020-09-17 19:32                   ` Zdenek Kabelac
2020-09-14  6:03 Tomas Dalebjörk

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