nodetool netstats

Provides network information about the host.


nodetool <options> netstats -H

Tarball and Installer No-Services path:

Connection options
Short Long Description



Hostname or IP address.



Port number.



Password file path.






Remote JMX agent username.



Display bytes in human readable form: KiB (kibibyte), MiB (mebibyte), GiB (gibibyte), TiB (tebibyte).


Separates an option from an argument that could be mistaken for an option.


The default host is the connected host if the user does not include a host name or IP address in the command. The output includes the following information:

  • JVM settings

  • Mode

    The operational mode of the node: JOINING, LEAVING, NORMAL, DECOMMISSIONED, CLIENT

  • Read repair statistics

  • Attempted

    The number of successfully completed read repair operations.

  • Mismatch (blocking)

    The number of read repair operations since server restart that blocked a query.

  • Mismatch (background)

    The number of read repair operations since server restart performed in the background.

  • Pool name

    Information about client read and write requests by thread pool size.

  • Active, pending, and completed number of commands and responses


Get the network information of the local node:

nodetool netstats

The output is:

Not sending any streams.
Read Repair Statistics:
Attempted: 0
Mismatch (Blocking): 1
Mismatch (Background): 1
Pool Name                    Active   Pending      Completed   Dropped
Large messages                  n/a         0              0         0
Small messages                  n/a         0          23295         0
Gossip messages                 n/a         0        1853117         0

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