
When SimpleCache uses a CacheFileMetadataIndex, it will be able to avoid querying file.length() and renaming files, both of which are expensive operations on some file systems. PiperOrigin-RevId: 232664255
When SimpleCache uses a CacheFileMetadataIndex, it will be able to avoid querying file.length() and renaming files, both of which are expensive operations on some file systems. PiperOrigin-RevId: 232664255