How to intepret "Key cache hit rate"? What does this no mean?
Keyspace: StressKeyspace
Read Count: 87579
Read Latency: 11.792417360326105 ms.
Write Count: 179749
Write Latency: 0.009272318622078566 ms.
Pending Tasks: 0
Column Family: StressStandard
SSTable count: 59
Space used (live): 52432078035
Space used (total): 52432078035
Memtable Columns Count: 229
Memtable Data Size: 114103248
Memtable Switch Count: 375
Read Count: 87579
Read Latency: NaN ms.
Write Count: 179751
Write Latency: 0.007 ms.
Pending Tasks: 0
Key cache capacity: 1000000
Key cache size: 78576
Key cache hit rate: 3.8880248833592535E-4
Row cache: disabled
Compacted row minimum size: 182786
Compacted row maximum size: 5839588
Compacted row mean size: 532956
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