nodetool drain

Drains the node.

Drains the node.


install_location/bin/nodetool <options> drain
Table 1. Options
Short Long Description
-h --host Hostname or IP address.
-p --port Port number.
-pwf --password-file Password file path.
-pw --password Password.
-u --username Remote JMX agent username.
-- Separates an option from an argument that could be mistaken for a option.


Flushes all memtables from the node to SSTables on disk. DataStax Distribution of Apache Cassandra™ (DDAC) stops listening for connections from the client and other nodes. You need to restart Cassandra after running nodetool drain. To simply flush memtables to disk, use nodetool flush.