Which statement best describes Beelnstana?

Beelnstana is the official name for the Kubernetes operator used to deploy and manage the self-hosted (on-premises) Instana backend. A key characteristic of this deployment is its architecture, which relies on a cluster of high-performance, distributed data stores, such as Cassandra and ClickHouse. The Beelnstana operator is responsible for orchestrating the deployment of the entire Instana backend, which includes these essential data store components required to process and store large volumes of observability data effectively.

A. This statement is correct but incomplete. Option C provides a more comprehensive and specific description by including the critical dependency on the data store architecture, which is a defining feature of the deployment managed by Beelnstana.

B. This is incorrect. Beelnstana is a Kubernetes operator responsible for application lifecycle management, not a database for storing metrics. Instana uses databases like ClickHouse for metrics, but that is not Beelnstana.

D. This is incorrect because the operator typically provisions the required data stores as part of the installation process; it does not require that they are already installed.

1. IBM Documentation for Instana Observability. "Installing Instana backend on Kubernetes". The documentation states, "The Instana backend for Kubernetes is based on a Kubernetes operator that is named Beelnstana. The operator uses other operators to provision required data stores, such as Cassandra and ClickHouse." This confirms Beelnstana is an operator and highlights its role in provisioning the required high-performance data stores. (IBM Documentation, Instana Observability > Installing and updating > Installing Instana backend on Kubernetes > Overview).