[ale] MySQL Cluster
lists at serioustechnology.com
Mon Feb 20 11:32:43 EST 2012
Chris Fowler wrote:
> On Sat, 2012-02-18 at 15:05 -0500, Michael Trausch wrote:
>> You need some way to take out an atomic lock... or, use a message
>> E.g., one system processes the new things and inserts their data into
>> a message queue, and you can then have N workers (where "N" is "as
>> many as needed on average) to pop things off the queue and send mails
>> based on the content of the message.
> Yea I know, but have one system (server) put things in a queue for the
> other servers to process would defeat the cluster. I'd like to have 3
> servers anywhere in the US and then still run if 2 die. These apps
> would need to know the health of the others. Bunch of work.
> Normally this is one process on one server. I want to make it redundant
> and am ready to do Master-Master-N cluster. I now do Master-Slave and
> then promote the slave manually.
I don't think Postgresql supports master-master, but I've not looked
into it for a while.
Until later, Geoffrey
"I predict future happiness for America if they can prevent
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