nodetool setcompactionthroughput
Sets the throughput capacity for compaction in the system, or disables throttling.
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 nodetool getcompactionthroughput. |
Synopsis
nodetool [<connection_options>] setcompactionthroughput
[--] <throughput_cap_in_mb>
Syntax conventions | Description |
---|---|
UPPERCASE |
Literal keyword. |
Lowercase |
Not literal. |
<`Italics>` |
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 ( |
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Search CQL only: Single quotation marks ( |
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Search CQL only: Identify the entity and literal value to overwrite the XML element in the schema and solrconfig files. |
Definition
The short- and long-form options 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 username 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 in
cassandra.yaml
.-
positive number - Throttles compaction to the specified MB per second across the instance.
-
0 - disable throttling
-
Examples
Disable compaction throughput
nodetool setcompactionthroughput
Set compaction throughput to 16 MB
nodetool setcompactionthroughput 16