CassandraMemtablePool true false false MemtablePool false org.apache.cassandra.metrics:type=MemtablePool,name=BlockedOnAllocation dynamic NA BlockedOnAllocation > Count 1 double 1 Max 1 double 2 Min 1 long 3 Mean 1 double 4 MeanRate 1 double 5 StdDev 1 double 6 OneMinuteRate 1 double 7 FiveMinuteRate 1 double 8 FifteenMinuteRate 1 double 9 50thPercentile 1 double 10 75thPercentile 1 double 11 95thPercentile 1 double 12 98thPercentile 1 double 13 99thPercentile 1 double 14 999thPercentile 1 double 15