OpenSearch Updating plugins.ml_commons.rag_pipeline_feature_enabled not working

Question

I've an OpenSearch cluster with the following version and service software version:
* Version: OpenSearch 2.11
* Service software version: OpenSearch_2_11_R20231113-P4

To reproduce, create a new OpenSearch instance with the version above, and make the following request to the API:
```
PUT _cluster/settings
{
    "persistent": {
        "plugins.ml_commons.rag_pipeline_feature_enabled": true
    }
}
```
The output is:
```
401
{"Message":"Your request: '/_cluster/settings' payload is not allowed."}
```
I am able to update other "plugins.ml_commons.*" settings, so I know it's not an authentication issue.

I have the following questions:

Is there a way I can make this request?

Thanks in advance.

Answer

Hi @valdeci, thanks for the prompt response.

I've tried that but the issue still persists, regardless of whether we set it as "false" or "true" first.

The Dev Tool page immediately auto-refresh right after the above response is retrieved.

Answer

This is a issue with OpenSearch already answered [here](https://forum.opensearch.org/t/not-able-to-enable-the-feature-rag-pipeline-feature-enabled-in-ml-plugin/17277).

Can you try setting it to “false” and then setting it back to “true”, probably this will works.

OpenSearch Updating plugins.ml_commons.rag_pipeline_feature_enabled not working

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