And I think we should try to address all internal and external issues (not sure how you've chosen the number 300) or at least have a fallback mechanism for them. For example, Ori_IsDirectory and other failures also showed up in the telemetry we collected. And it wasn't negligible amount.
Bug 1594080 Comment 7 Edit History
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And I think we should try to address all internal and external issues (not sure how you've chosen the number 300) or at least have a fallback mechanism for them. For example, Cache_GetPaddingSize, Ori_IsDirectory and other failures also showed up in the telemetry we collected. And it wasn't negligible amount.