Database Reference
In-Depth Information
Pending tasks: 0
Bloom filter false positives: 0
Bloom filter false ratio: 0.00000
Bloom filter space used, bytes: 0
Compacted partition minimum bytes: 0
Compacted partition maximum bytes: 0
Compacted partition mean bytes: 0
Average live cells per slice (last five minutes):
0.0
Average tombstones per slice (last five minutes):
0.0
cfhistogram
The
cfhistogram
command provides statistics about read/write latency in micro-
seconds and the number of sstables involved during reads and writes. The following
command shows output of a column family histogram of the
twitter
table within the
keyspace
twitter_keyspace
:
vivek@vivek-Vostro-3560:~/software/local-cluster/node4$
bin/nodetool cfhistograms
twitter_keyspace twiiter
twitter_keyspace/twiiter histograms
Offset SSTables Write Read Latency
Partition Cell Count
Latency size
(micros) (micros) (bytes)
1 0 0
0 0 0
2 0 0
0 0 0
3 234 0
0 0 0
4 0 0
0 0 0
5 0 0
0 0 0
