Elasticsearch Cluster Configuration

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When running embedded in webMethods API Gateway, the Elasticsearch instances have to be clustered by modifying the <Elastic_Dir>/config/elasticsearch.yml file within each webMethods API Gateway instance. You must provide the cluster configurations in the elasticsearch.yml file in the Install_Dir/config/ folder before starting the Elasticsearch for the very first time. When you start Elasticsearch, the node auto-bootstraps itself into a new cluster. You cannot change the configuration after bootstrap and thus, Elasticsearch does not merge separate clusters together after they have formed, even if you subsequently try and configure all the nodes into a single cluster. For more information, see https://www.elastic.co/guide/en/elasticsearch/reference/8.2/index.html.

Note: The support for API Data Store (embedded Elasticsearch) is deprecated and will be removed in future releases. To address security vulnerabilities and simplify upgrades, configuring an Elasticsearch is now the only supported approach.