Thomas Orozco a6004ae016 mononoke: caching_ext: elide DB calls for no data ... Summary: We don't control whatever `get_from_db` will do when asked to fetch no data. We can hope it'll do the smart thing and not hit the DB nor increment any monitoring counters. This can be problematic, because it can result in confusing data in ODS. See T45198435 for a recent example of this. Reviewed By: StanislavGlebik Differential Revision: D15620424 fbshipit-source-id: 629c2eaad00d4977b0598c26e1f2a2ca64a1d66e		2019-06-04 05:16:52 -07:00
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rust	mononoke: caching_ext: elide DB calls for no data	2019-06-04 05:16:52 -07:00
uniqueheap/src	mononoke: efficient search of max generation in NodeFrontier	2018-11-30 04:34:02 -08:00