From: Michael Metz-Martini | SpeedPartner GmbH <metz-nNLO/KQnRccYk8zSAXK5OQ@public.gmane.org>
To: Sage Weil <sage-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
ceph-devel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
ceph-users-Qp0mS5GaXlQ@public.gmane.org,
ceph-maintainers-Qp0mS5GaXlQ@public.gmane.org,
ceph-announce-Qp0mS5GaXlQ@public.gmane.org
Subject: Re: Deprecating ext4 support
Date: Tue, 12 Apr 2016 09:00:19 +0200 [thread overview]
Message-ID: <570C9D03.6020701@speedpartner.de> (raw)
In-Reply-To: <alpine.DEB.2.11.1604111632520.13448-Wo5lQnKln9t9PHm/lf2LFUEOCMrvLtNR@public.gmane.org>
Hi,
Am 11.04.2016 um 23:39 schrieb Sage Weil:
> ext4 has never been recommended, but we did test it. After Jewel is out,
> we would like explicitly recommend *against* ext4 and stop testing it.
Hmmm. We're currently migrating away from xfs as we had some strange
performance-issues which were resolved / got better by switching to
ext4. We think this is related to our high number of objects (4358
Mobjects according to ceph -s).
> Recently we discovered an issue with the long object name handling
> that is not fixable without rewriting a significant chunk of
> FileStores filename handling. (There is a limit in the amount of
> xattr data ext4 can store in the inode, which causes problems in
> LFNIndex.)
We're only using cephfs so we shouldn't be affected by your discovered
bug, right?
--
Kind regards
Michael
next prev parent reply other threads:[~2016-04-12 7:00 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-11 21:39 Deprecating ext4 support Sage Weil
2016-04-11 21:44 ` Sage Weil
2016-04-11 21:57 ` Mark Nelson
[not found] ` <570C1DBC.3040408-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-04-11 22:49 ` Shinobu Kinjo
2016-04-11 23:54 ` [ceph-users] " Robin H. Johnson
2016-04-11 23:09 ` Lionel Bouton
2016-04-12 7:45 ` [ceph-users] " Jan Schermer
2016-04-12 18:00 ` Sage Weil
2016-04-12 19:19 ` Jan Schermer
2016-04-12 19:58 ` Sage Weil
2016-04-12 20:33 ` Jan Schermer
2016-04-12 20:47 ` Sage Weil
[not found] ` <alpine.DEB.2.11.1604121639590.29593-Wo5lQnKln9t9PHm/lf2LFUEOCMrvLtNR@public.gmane.org>
2016-04-12 21:08 ` Nick Fisk
[not found] ` <4f0f087c.9Ro.9Gf.hg.1qX1VyMOaD-ImYt9qTNe79BDgjK7y7TUQ@public.gmane.org>
2016-04-12 21:22 ` wido-fspyXLx8qC4
[not found] ` <362740c3.9Ro.9Gf.hg.1qX1VyMOaE@mailjet.com>
2016-04-12 23:12 ` [ceph-users] " Jan Schermer
2016-04-13 13:13 ` Sage Weil
2016-04-13 13:06 ` Sage Weil
2016-04-14 18:05 ` Jianjian Huo
2016-04-14 18:30 ` Samuel Just
2016-04-12 6:39 ` [Ceph-maintainers] " Loic Dachary
[not found] ` <alpine.DEB.2.11.1604111632520.13448-Wo5lQnKln9t9PHm/lf2LFUEOCMrvLtNR@public.gmane.org>
2016-04-11 21:42 ` Allen Samuels
2016-04-11 21:47 ` [ceph-users] " Jan Schermer
2016-04-11 23:39 ` Christian Balzer
2016-04-12 1:12 ` [ceph-users] " Sage Weil
[not found] ` <alpine.DEB.2.11.1604112046570.29593-Wo5lQnKln9t9PHm/lf2LFUEOCMrvLtNR@public.gmane.org>
2016-04-12 1:32 ` Shinobu Kinjo
2016-04-12 2:05 ` [Ceph-maintainers] " hp cre
2016-04-12 2:43 ` [ceph-users] " Christian Balzer
2016-04-12 13:56 ` Sage Weil
[not found] ` <alpine.DEB.2.11.1604120837120.29593-Wo5lQnKln9t9PHm/lf2LFUEOCMrvLtNR@public.gmane.org>
2016-04-13 3:27 ` Christian Balzer
[not found] ` <20160412083925.5106311d-9yhXNL7Kh0lSCLKNlHTxZM8NsWr+9BEh@public.gmane.org>
2016-04-14 9:43 ` Antw: " Steffen Weißgerber
2016-04-12 7:00 ` Michael Metz-Martini | SpeedPartner GmbH [this message]
2016-04-13 2:29 ` [ceph-users] " Christian Balzer
2016-04-13 12:30 ` Sage Weil
2016-04-14 0:57 ` Christian Balzer
2016-04-13 12:51 ` Michael Metz-Martini | SpeedPartner GmbH
2016-04-13 14:19 ` Francois Lafont
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