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What signs in the Spark UI's Storage tab would indicate suboptimal performance of a cached table when using the MEMORY_ONLY storage level?
A
Size on Disk is < Size in Memory
B
The RDD Block Name includes the “*” annotation signaling a failure to cache
C
Size on Disk is > 0
D
The number of Cached Partitions > the number of Spark Partitions
E
On Heap Memory Usage is within 75% of Off Heap Memory Usage
