cassandra key cache hit rate differs between nodetool and opscenter

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I checked my key cache hit rate via nodetool and opscenter, the first shows a hit rate of 0.907 percent.

Key Cache : entries 1152104, size 96.73 MB, capacity 100 MB, 52543777 hits, 57954469 requests, 0.907 recent hit rate, 14400 save period in seconds

but in opscenter the graph shows 100%.

any one understands why the difference?

asked 1 min ago

user1058511
109

cassandra key cache hit rate differs between nodetool and opscenter