Ubuntu server and mysql

Neil Coetzer ncoetzer at halsteds.co.zw
Sat Jul 12 12:12:02 BST 2008


Hi Simpson, many thanks. Will mail you details soon. At the moment we're
still running on an ancient universe database but we're planning ahead
for the "trial" implementation of opentaps at one of our branches
(hopefully at the end of this month).

Cheers,
Neil

On Sat, 2008-07-12 at 12:41 +0200, Simpson Moyo wrote:

> Hi Neil,
> 
> Whats your setup like? What kind of data are you looking at
> synchronizing?  If you would like to keep your server setup private
> email me and i will assist you with the setup... its pretty straight
> forward... but it all really depends on the nature of your proposed
> setup.
> 
> Simpson Moyo
> 
> 
> On Sat, Jul 12, 2008 at 12:31 PM, Neil Coetzer
> <ncoetzer at halsteds.co.zw> wrote:
> 
>         Hi guys,
>         
>         This isn't strictly Ubuntu-related, but since we're planning
>         to implement it on Ubuntu servers I thought I would ask
>         anyway. 
>         
>         Does anyone know anything about implementing semi-synchronous
>         mysql database replication between a master and slave?
>         
>         As I understand it, this would mean that the master would wait
>         for confirmation from at least one slave that a transaction
>         has been successfully replicated before telling the client
>         that the change has been committed. With asynchronous
>         replication there would be a chance of losing transactions if
>         the master crashes before the slave has replicated those
>         transactions and semi-synchronous replication would go a long
>         way to solving this.
>         
>         I know a couple of guys at Google came up with a patch to
>         allow this functionality, but I haven't been able to find out
>         if it has since been built into later mysql releases. I also
>         haven't been able to find a "howto" that shows exactly how to
>         implement this. Would appreciate any input from someone who
>         knows more about mysql. My knowledge on the subject is pretty
>         limited at this point.
>         
>         Cheers,
>         Neil
>         
>         
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> 
> 
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