Backend Clustering solution, recommendations

Hi, I was wondering if anyone could recommend a database clustering
solution for a massive warehouse. Rails/flex being the main front end.

Talking a few million rows, with queries that may touch a million rows
every few seconds.

I was giving some thought to a MySQL clustering project like Sequoia.
http://sequoia.continuent.org/HomePage

Or possibly just hiring a consulting firm to come in.

We've done some good size projects, but this will be the biggest we've
done to date.

-- Thanks

Hi, I was wondering if anyone could recommend a database clustering
solution for a massive warehouse. Rails/flex being the main front end.

Talking a few million rows, with queries that may touch a million rows
every few seconds.

I was giving some thought to a MySQL clustering project like Sequoia.
http://sequoia.continuent.org/HomePage

We tried continuent a year or two ago and gave up. And our database was small (couple hundred megs). We had three nodes and had problems with a node crashing bringing the other nodes down. With the result being we had to power cycle each of the boxes. We never made it to production.

That said, it was about two years ago. Hopefully it's improved, but I've been soured by the experience. Also, that wasn't sequoia, it was their commercial offering. No idea what difference that makes.

In our case we ended up just using a single master with multiple slaves and the mysql_replication_adapter to spread the load.

-philip

That kind of replication is more than you really want to have on a simple master-master or master-slave replication. Your better off bringing in someone with experience with that scale of DB, and using whatever they recommend to you.

Rob Kaufman
http://notch8.com