In the examples below, <Node> is the name of a node in the cache store graph, or All to apply to every node.
-DDC-<Node>-MissTypes=StaticMesh+Texture will simulate a miss on every access to to static mesh and texture keys.
-DDC-<Node>-MissTypes=StaticMesh@12.5+Texture will simulate misses on 12.5% of accesses to static mesh keys and every access to texture keys.
-DDC-<Node>-MissRate=5 -DDC-<Node>-MissTypes=Texture will simulate misses on every access to texture keys and 5% of other keys.
-DDC-<Node>-MissRate=5 will simulate misses on 5% of keys.
-DDC-<Node>-MissSalt=PositiveInt32 will set the salt used to match keys to simulate misses on. A key always has the same simulated miss behavior with the same salt.
#preflight 6244d102b33098a72dc136df
#rb Zousar.Shaker
[CL 19572200 by Devin Doucette in ue5-main branch]
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