nodetool clientstats

Return details about connected clients.

Return details about connected clients.

Synopsis

nodetool [connection_options] clientstats
Table 1. Legend
Syntax conventions Description
UPPERCASE Literal keyword.
Lowercase Not literal.
Italics Variable value. Replace with a valid option or user-defined value.
[ ] Optional. Square brackets ( [ ] ) surround optional command arguments. Do not type the square brackets.
( ) Group. Parentheses ( ( ) ) identify a group to choose from. Do not type the parentheses.
| Or. A vertical bar ( | ) separates alternative elements. Type any one of the elements. Do not type the vertical bar.
... Repeatable. An ellipsis ( ... ) indicates that you can repeat the syntax element as often as required.
'Literal string' Single quotation ( ' ) marks must surround literal strings in CQL statements. Use single quotation marks to preserve upper case.
{ key:value } Map collection. Braces ( { } ) enclose map collections or key value pairs. A colon separates the key and the value.
<datatype1,datatype2> Set, list, map, or tuple. Angle brackets ( < > ) enclose data types in a set, list, map, or tuple. Separate the data types with a comma.
cql_statement; End CQL statement. A semicolon ( ; ) terminates all CQL statements.
[ -- ] Separate the command line options from the command arguments with two hyphens ( -- ). This syntax is useful when arguments might be mistaken for command line options.
' <schema> ... </schema> ' Search CQL only: Single quotation marks ( ' ) surround an entire XML schema declaration.
@xml_entity='xml_entity_type' Search CQL only: Identify the entity and literal value to overwrite the XML element in the schema and solrconfig files.

Definition

The short form and long form parameters are comma-separated.

Connection options

--all
List all connections.
-h, --host hostname
Node hostname or ip address.
-p, --port port
Remote jmx agent port number.
-pw, --password password
Remote jmx agent password.
-pwf, --password-file passwordFilePath
Remote jmx agent password file path.
-u, --username username
Remote jmx agent username.

Command arguments

This command takes no arguments.

Example

To return all client statistics

nodetool clientstats --all
Address              Cipher Protocol  SSL       Version User      Keyspace  Requests Driver-Name                     Driver-Version     
/10.101.33.110:56948 false  undefined undefined 66      cassandra OpsCenter 26551719 DataStax Enterprise Java Driver 1.10.0-dse+20200217
/10.101.34.28:60254  false  undefined undefined 66      cassandra OpsCenter 32504215 DataStax Enterprise Java Driver 1.10.0-dse+20200217
/10.101.32.233:46966 false  undefined undefined 66      cassandra           44049    DataStax Enterprise Java Driver 1.10.0-dse+20200217
/10.101.32.233:47494 false  undefined undefined 66      cassandra           154225   DataStax Enterprise Java Driver 1.10.0-dse+20200217
/10.101.33.110:56954 false  undefined undefined 66      cassandra           44064    DataStax Enterprise Java Driver 1.10.0-dse+20200217
/10.101.32.233:47486 false  undefined undefined 66      cassandra           44042    DataStax Enterprise Java Driver 1.10.0-dse+20200217
/10.101.33.110:56956 false  undefined undefined 66      cassandra system    44601    DataStax Enterprise Java Driver 1.10.0-dse+20200217
/10.101.32.233:46830 false  undefined undefined 66      cassandra           44019    DataStax Enterprise Java Driver 1.10.0-dse+20200217
/10.101.32.243:55374 false  undefined undefined 66      cassandra OpsCenter 48268    DataStax Enterprise Java Driver 1.10.0-dse+20200217
/10.101.33.110:56946 false  undefined undefined 66      cassandra           44062    DataStax Enterprise Java Driver 1.10.0-dse+20200217
     
Total connected clients: 10
 
User      Connections
cassandra 10