nodetool garbagecollect - Remove deleted data from one or more tables

        nodetool [(-h <host> | --host <host>)] [(-p <port> | --port <port>)]
                [(-pw <password> | --password <password>)]
                [(-pwf <passwordFilePath> | --password-file <passwordFilePath>)]
                [(-u <username> | --username <username>)] garbagecollect
                [(-g <granularity> | --granularity <granularity>)]
                [(-j <jobs> | --jobs <jobs>)] [--] [<keyspace> <tables>...]

        -g <granularity>, --granularity <granularity>
            Granularity of garbage removal. ROW (default) removes deleted
            partitions and rows, CELL also removes overwritten or deleted cells.

        -h <host>, --host <host>
            Node hostname or ip address

        -j <jobs>, --jobs <jobs>
            Number of sstables to cleanup simultanously, set to 0 to use all
            available compaction threads

        -p <port>, --port <port>
            Remote jmx agent port number

        -pw <password>, --password <password>
            Remote jmx agent password

        -pwf <passwordFilePath>, --password-file <passwordFilePath>
            Path to the JMX password file

        -u <username>, --username <username>
            Remote jmx agent username

            This option can be used to separate command-line options from the
            list of argument, (useful when arguments might be mistaken for
            command-line options

        [<keyspace> <tables>...]
            The keyspace followed by one or many tables