nodetool truncatehints 

Truncates all hints on the local node, or truncates hints for the one or more endpoints.

Truncates all hints on the local node, or truncates hints for the one or more endpoints.

Synopsis 

$ nodetool <options> truncatehints -- <endpoint> ... 
DataStax Enterprise 5.0 Installer No-Services and tarball installations:
installation_location/resources/cassandra/bin
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.
endpoint One or more endpoint IP addresses or host names designating which hints to deleted.
-- Separates an option from an argument that could be mistaken for a option.