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latestOpenAPI 3.0.0Apache 2.0 License2026-07-14238527879.4 KB

Modifies the parameters of a parameter group. For the parameters parameter, it can't contain ASCII characters.

For more information about parameters and parameter groups, go to Amazon Redshift Parameter Groups in the Amazon Redshift Cluster Management Guide.

get/#Action=ModifyClusterParameterGroup

Query parameters

ParameterGroupNamestring required

The name of the parameter group to be modified.

ParameterNamestring

The name of the parameter.

ParameterValuestring

The value of the parameter. If <code>ParameterName</code> is <code>wlm_json_configuration</code>, then the maximum size of <code>ParameterValue</code> is 8000 characters.

Descriptionstring

A description of the parameter.

Sourcestring

The source of the parameter value, such as "engine-default" or "user".

DataTypestring

The data type of the parameter.

AllowedValuesstring

The valid range of values for the parameter.

ApplyType'static' | 'dynamic'

Specifies how to apply the WLM configuration parameter. Some properties can be applied dynamically, while other properties require that any associated clusters be rebooted for the configuration changes to be applied. For more information about parameters and parameter groups, go to <a href="https://docs.aws.amazon.com/redshift/latest/mgmt/working-with-parameter-groups.html">Amazon Redshift Parameter Groups</a> in the <i>Amazon Redshift Cluster Management Guide</i>.

IsModifiableboolean

If <code>true</code>, the parameter can be modified. Some parameters have security or operational implications that prevent them from being changed.

MinimumEngineVersionstring

The earliest engine version to which the parameter can apply.

<p>An array of parameters to be modified. A maximum of 20 parameters can be modified in a single request.</p> <p>For each parameter to be modified, you must supply at least the parameter name and parameter value; other name-value pairs of the parameter are optional.</p> <p>For the workload management (WLM) configuration, you must supply all the name-value pairs in the wlm_json_configuration parameter.</p>
Action'ModifyClusterParameterGroup' required
Version'2012-12-01' required

Response

Success