Bacula-users

Re: [Bacula-users] Tuning for large (millions of files) backups?

2010-11-11 06:51:35
Subject: Re: [Bacula-users] Tuning for large (millions of files) backups?
From: Gavin McCullagh <gavin.mccullagh AT gcd DOT ie>
To: Alan Brown <ajb2 AT mssl.ucl.ac DOT uk>
Date: Thu, 11 Nov 2010 11:48:56 +0000
Hi,

On Thu, 11 Nov 2010, Alan Brown wrote:

> What tuning (if any) have you performed on your my.cnf and how much
> memory do you have?

Thus far I haven't spent much time on this and haven't tuned MySQL.  The
slow build an annoyance, but not a killer so I've not really got around to
it.  The server has 6GB RAM (running an X86_64 kernel).

> >Have I done something wrong?  As FileId is a primary key, it doesn't seem
> >like I should need an extra index on that one -- is that wrong?
> 
> It doesn't need an extra index.

Grand.

> You've also got a duplicate pathid indeax which can be deleted.

Ah, I didn't spot that, thanks.

> This kind of thing is why it makes more sense to switch to postgres
> when  mysql databases get large.

I see.  Well, as long as I'm not missing some simple tweak to make MySQL
run quicker I guess I'll plan to do that.

Gavin

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