Kitsune contains a rather blunt instrument to keep the site up in the case of extreme load, a read_only_mode() method that disables all database writes. We should document 1) How to use this. 2) What it does. 3) What it disallows. 4) How the site reacts. Happy to write this doc somewhere around mid-June. Not sure what sprint that is. Or someone can grab it from me and do it sooner.
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