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Re: MySQL Native Clustering and Red Hat Cluster Suite
Posted by: Stewart Smith
Date: June 15, 2006 10:18PM

AFAIK innodb does not support external locking.

If it did it would be horribly slow too.

all metadata for shared storage systems either has to go over a network (ethernet) or to the disk. Both are slow and all nodes have to respond to actually get the lock. i.e. you would see nowhere near the performance of a single machine.

Stewart Smith, Software Engineer - MySQL Cluster
MySQL AB, www.mysql.com

Jumpstart your cluster:
http://www.mysql.com/consulting/packaged/cluster.html

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