[2.1.65 was an internal test version]
RT 2.1.66 features a significant amount of work designed to speed up
common operations. It includes some new database indices and some code
changes. (And one particular database index was deleted, as it confused
mysql sort of badly on ACL checks). On my test dataset with the
nastiest ACLs, common page-views render in 1/3 third the time they did
with 2.1.64. A couple more optimizations I’ve got up my sleeve should
cut this down a good deal more, but I’m going to back off on those for
the moment and concentrate on getting the bugs folks have found in
2.1.6x rolled into 2.1.67.
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