Displaying 4 results from an estimated 4 matches for "librmb".
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2017 Sep 22
3
librmb: Mail storage on RADOS with Dovecot
Hi ceph-ers,
The email below was posted on the ceph mailinglist yesterday by Wido den
Hollander. I guess this could be interesting for user here as well.
MJ
-------- Forwarded Message --------
Subject: [ceph-users] librmb: Mail storage on RADOS with Dovecot
Date: Thu, 21 Sep 2017 10:40:03 +0200 (CEST)
From: Wido den Hollander <wido at 42on.com>
To: ceph-users at ceph.com
Hi,
A tracker issue has been out there for a while:
http://tracker.ceph.com/issues/12430
Storing e-mail in RADOS with Dovecot, the IMAP/PO...
2017 Sep 24
0
librmb: Mail storage on RADOS with Dovecot
...dovecot/dovecot-ceph-plugin
>
> I am not going to repeat everything which is on Github, put a short summary:
>
> - CephFS is used for storing Mailbox Indexes
> - E-Mails are stored directly as RADOS objects
> - It's a Dovecot plugin
>
> We would like everybody to test librmb and report back issues on Github so that further development can be done.
>
> It's not finalized yet, but all the help is welcome to make librmb the best solution for storing your e-mails on Ceph with Dovecot.
It would be have been nicer if RADOS support was implemented as lib-fs driver...
2018 May 16
2
dovecot + cephfs - sdbox vs mdbox
I'm sending this message to both dovecot and ceph-users ML so please don't
mind if something seems too obvious for you.
Hi,
I have a question for both dovecot and ceph lists and below I'll explain
what's going on.
Regarding dbox format (https://wiki2.dovecot.org/MailboxFormat/dbox), when
using sdbox, a new file is stored for each email message.
When using mdbox, multiple
2018 May 16
0
[ceph-users] dovecot + cephfs - sdbox vs mdbox
...S/NFS storage to Ceph.
The problem with POSIX file systems and dovecot is that e.g. with mdbox
only around ~20% of the IO operations are READ/WRITE, the rest are
metadata IOs. You will not change this with using CephFS since it will
basically behave the same way as e.g. NFS.
We decided to develop librmb to store emails as objects directly in
RADOS instead of CephFS. The project is still under development, so you
should not use it in production, but you can try it to run a POC.
For more information check out my slides from Ceph Day London 2018:
https://dalgaaf.github.io/cephday-london2018-emailsto...