Supported features

Using the Mirantis Container Cloud web UI, on the pre-deployment stage of a managed cluster, you can view, enable or disable, or tune the following StackLight features available:

• StackLight HA mode.

• Database retention size and time for Prometheus.

• Tunable index retention period for Elasticsearch 0.

• Tunable PersistentVolumeClaim (PVC) size for Prometheus and Elasticsearch 0 set to 16 GB for Prometheus and 30 GB for Elasticsearch 0 by default. The PVC size must be logically aligned with the retention periods or sizes for these components.

• Email and Slack receivers for the Alertmanager notifications.

• Predefined set of dashboards.

• Predefined set of alerts and capability to add new custom alerts for Prometheus in the following exemplary format:

  - alert: HighErrorRate
    expr: job:request_latency_seconds:mean5m{job="myjob"} > 0.5
    for: 10m
    labels:
      severity: page
    annotations:
      summary: High request latency
  

0(1,2,3)

Starting from Container Cloud 2.16.0, Elasticsearch has switched to OpenSearch. For details, see Elasticsearch switch to OpenSearch.