MySQL: Beware of sync_binlog on EXT3

Well, I just glazed again over my my.cnf for our web-cluster because I just moved a database from one cluster to another and getting quite different performance from it. So, as I expected, there is a slight difference between both configuration files:

And apparently, according to the MySQL Performance Blog that’s really, really bad (as well, we’re currently running without write caching, as the battery module of the storage is dead).