<p></p>
<p dir="auto">We are now expiring at the metatile level, yes.</p>
<p dir="auto">The idea of the length limit was really twofold, to reduce the amount of time we spent re-rendering tiles and to reduce the visibility of the damage. I was kind of thinking that we wouldn't then need to do a global dirty after the revert but I guess that we probably would as you say.</p>
<p dir="auto">I don't think we've really had an incident that allows to test the effectiveness of either change though.</p>
<p dir="auto">Maybe we should drop this for now and see how things go with the other change - at least then the revert should correctly dirty the tiles that are changed avoiding the need for a global dirty.</p>

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