nodetool nodesyncservice setrate
Temporarily sets the maximum data validation rate.
cassandra.yaml
The location of the cassandra.yaml file depends on the type of installation:| Package installations | /etc/dse/cassandra/cassandra.yaml |
| Tarball installations | installation_location/resources/cassandra/conf/cassandra.yaml |
Tip:
Use the nodetool nodesyncservice ratesimulator to review how the
change may impact performance. For more details, see
Setting the NodeSync rate.
Synopsis
nodetool [connection_options] nodesyncservice setrate
| 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
- -h, --host hostname
- The hostname or IP address of a remote node or nodes. When omitted, the default is the local machine.
- -p, --port jmx_port
- The JMX port number.
- -pw, --password jmxpassword
- The JMX password for authenticating with secure JMX. If a password is not provided, you are prompted to enter one.
- -pwf, --password-file jmx_password_filepath
- The filepath to the file that stores JMX authentication credentials.
- -u, --username jmx_username
- The user name for authenticating with secure JMX.
Command arguments
This command takes no arguments.
Examples
Configure the validation rate of the local host
nodetool nodesyncservice setrate 2048
Verify the setting change
nodetool nodesyncservice getrate
Current rate limit=2048 KB/s