Move the decimal point 4 places to the left. It's the percent of your queries that get a hit from the key cache .
Aaron On 16/04/2011, at 6:25 AM, mcasandra <mohitanch...@gmail.com> wrote: > > 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 > > > -- > View this message in context: > http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/Key-cache-hit-rate-tp6277236p6277236.html > Sent from the cassandra-u...@incubator.apache.org mailing list archive at > Nabble.com.
