nodetool setcompactionthroughput
Where is the cassandra.yaml
file?
The location of the cassandra.yaml
file depends on the type of installation:
Installation Type | Location |
---|---|
Package installations + Installer-Services installations |
|
Tarball installations + Installer-No Services installations |
|
Sets the throughput capacity for compaction in the system, or disables throttling.
Overwrites the compaction_throughput_mb_per_sec
setting in cassandra.yaml
.
To view the current setting, use |
Synopsis
nodetool [connection_options] setcompactionthroughput
[--] throughput_cap_in_mb
Syntax legend
Syntax conventions | Description |
---|---|
UPPERCASE |
Literal keyword. |
Lowercase |
Not literal. |
|
Variable value. Replace with a valid option or user-defined value. |
|
Optional.
Square brackets ( |
|
Group.
Parentheses ( |
|
Or.
A vertical bar ( |
|
Repeatable.
An ellipsis ( |
|
Single quotation ( |
|
Map collection.
Braces ( |
|
Set, list, map, or tuple.
Angle brackets ( |
|
End CQL statement.
A semicolon ( |
|
Separate the command line options from the command arguments with two hyphens ( |
|
Search CQL only: Single quotation marks ( |
|
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
--
-
Separates an option from an argument that could be mistaken for an option.
throughput_cap_in_mb
-
Corresponds to the
compaction_throughput_mb_per_sec
incassandra.yaml
.-
positive number
- Throttles compaction to the specified MB per second across the instance. -
0
- disable throttling
-
Examples
Disable compaction throughput
nodetool setcompactionthroughput 0
Set compaction throughput to 16 MB
nodetool setcompactionthroughput 16