Hi everyone, I've just enabled the new BugTaskFlat-based bug search for ~launchpad on production, in order to test the new search schema for fixing bug #950502. There should be just one minor functional change: you'll no longer be able to see a private bug if you're assigned to it but not subscribed.
However, I expect some performance teething issues. The big problems will come from the new table not being kept in DB cache (because only a tiny fraction of users are requesting it right now), and will go away once it's turned on for everybody. But there will probably be some more indices required -- I'll be watching timeouts in the coming days to identify required changes. So you'll probably see more timeouts than usual. If it doesn't become fast within a refresh or two, poke me and I'll work out what's up. If something goes really wrong (eg. there's a new non-timeout OOPS, or a persistent timeout that's blocking things), the old behaviour can be regained immediately by disabling the bugs.bugtaskflat.search.enabled feature flag. Thanks, William.
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