nodetool toppartitions
Sample and print the most active partitions for a given column family.
Synopsis
nodetool <options> toppartitions <keyspace> <table> <duration> ...
| Short | Long | Description |
|---|---|---|
-h |
--host |
Hostname or IP address |
-p |
--port |
Port number |
-pwf |
--password-file |
Password file path |
-pw |
--password |
Password |
-u |
--username |
User name |
-- |
Separates an option from an argument that could be mistaken for a option. | |
Other options are:
- -a <samplers> comma separated list of samplers to use (default: all)
- -k <topCount> number of the top partitions to list (default: 10)
- -s <size> capacity of stream summary, closer to the actual cardinality of partitions will yield more accurate results (default: 256)
- keyspace is a keyspace name
- cfname is a column family name
- duration in milliseconds
Description
The nodetool toppartitions command samples and prints the most active
partitions during the duration specified. A keyspace and column family must be specified, as
well as a duration in milliseconds.
Examples
Sample the most active partitions for the table test.users for 1,000
milliseconds
nodetool toppartitions test users 1000Output is produced, similar to the following:
