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How to enable compatibility mode on existing Opensearch domain


Is it possible to to enable compatibility mode on existing Opensearch domain? I found this article and added in the cluster settings which has changed the master nodes but not the data nodes. I tried scaling the nodes up but they still report the opensearch version number instead of the equivalent Elasticsearch version.

asked 8 months ago722 views
2 Answers

Hi there, yes running the following command will enable compatibility mode in existing OpenSearch domain

PUT /_cluster/settings
  "persistent" : {
    "compatibility.override_main_response_version" : true

If this is already executed, to verify if compatibility mode is enabled, run following command to list all current settings

GET _cluster/settings?include_defaults=true

And look for following section to see if compatibility mode is enabled.

"compatibility" : {
      "override_main_response_version" : "true"

If you are not able to enable the setting, please open a Support case with AWS OpenSearch so that a proper solution can be provided upon looking into other resources.

answered 7 months ago

I am able to edit these settings but they only effect the master services and not the nodes. The nodes are what Kibana checks for compatiblity.

answered 6 months ago

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