[Dovecot] Indexes to MLC-SSD

Felipe Scarel fbscarel at gmail.com
Thu Nov 3 13:32:34 EET 2011


I'm using native ZFS (http://zfsonlinux.org) on production here (15k+
users, over 2TB of mail data) with little issues. Dedup and compression
disabled, mind that.

Dedup especially is a major source of trouble, I wouldn't recommend it for
production just yet.

Cheers,
fbscarel

On Tue, Nov 1, 2011 at 19:40, Dan Swartzendruber <dswartz at druber.com> wrote:

>
> I can't imagine running any kind of performance critical app on linux using
> fuse!  There is a native ZFS port going on, but I don't know how stable it
> is yet.
>
> -----Original Message-----
> From: dovecot-bounces at dovecot.org [mailto:dovecot-bounces at dovecot.org] On
> Behalf Of Patrick Westenberg
> Sent: Tuesday, November 01, 2011 5:19 PM
> To: dovecot at dovecot.org
> Subject: Re: [Dovecot] Indexes to MLC-SSD
>
> Dovecot-GDH schrieb:
> > If I/O performance is a concern, you may be interested in ZFS and
> Flashcache.
> >
> > Specifically, ZFS' ZIL (ZFS Intent Log) and its L2ARC (Layer 2 Adaptive
> Read Cache)
> > ZFS does run on Linux http://zfs-fuse.net
>
> I'm using NexentaStor (Solaris, ZFS) to export iSCSI-LUNs and I was
> thinking about a SSD based LUN for the indexes. As I'm using multiple
> servers this LUN will use OCFS2.
>
>


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