Re: ZFS Stability & MySQL (Comments Requested)

2010/4/29 Jason J. W. Williams <jasonjwwilliams_at_gmail.com>:
> Hi Y'all,
>
> I've written before that we're considering moving to FreeBSD 8 from
> OpenSolaris and are heavily reliant on ZFS. Has anyone used FreeBSDs
> ZFS implementation for a high reliability environment like a database?
> If so, what are your experiences?
>
> Basically, I'm curious how stable the implementation is and whether
> it's ready for a critical production environment. Also, any gotchas
> particularly with running it with MySQL or anything else that utilizes
> a lot of memory. On Solaris, we cap the max ARC size to keep it from
> grabbing all the system RAM and competing with MySQL.
>
> Any thoughts or comments are greatly appreciated.

No experience with databases on ZFS but I think you should set the
recordsize property to a proper (I mean, for your MySQL setup) value
on the FS that will hold the data.

Have a look at :
http://www.solarisinternals.com/wiki/index.php/ZFS_for_Databases

Cheers

>
> -J
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