multi-master with mysql backend
dougb at dougbarton.us
Sat Feb 12 22:33:05 UTC 2011
On 02/11/2011 01:51 PM, fddi wrote:
> I understand you, but the advantage of having mysql backend is that
> if one of the two servers dies, the other keeps running with up to
> date informations, and can also be updated wit new informations. When
> the other server comes up again it will automatically sync itself
> using mysql replica mechanism. if I use file backend I have to
> manually sync it, and how to keep tracks of modifications ?
> for this I choose mysql backend
Two questions, how often do you anticipate one of the masters failing,
and how much data are you talking about? Generally the number of times a
server fails is going to be pretty small, if it's not, you've got bigger
If you're not talking about a huge amount of data here (and from what
you've described in previous posts, you're not) then you are fairly
dramatically over-architecting your solution here. Personally I think
David had a great idea in regards to using nsupdate to update both
masters at the same time. If you really think that one of them is going
to fail often enough to justify an automated solution than scripting
something that utilizes rsync shouldn't be too hard.
Nothin' ever doesn't change, but nothin' changes much.
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