Help Center/ Config/ User Guide/ Resource Compliance/ Built-In Policies/ Cloud Search Service/ Single-AZ CSS Cluster Check
Updated on 2025-01-20 GMT+08:00
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Single-AZ CSS Cluster Check

Rule Details

Table 1 Rule details

Parameter

Description

Rule Name

css-cluster-multiple-az-check

Identifier

css-cluster-multiple-az-check

Description

If a CSS cluster is deployed in a single AZ, this cluster is noncompliant.

Tag

css

Trigger Type

Configuration change

Filter Type

css.clusters

Configure Rule Parameters

None

Applicable Scenario

By deploying a CSS cluster across multiple AZs, you can increase the cluster's availability, lower the likelihood of data loss, and minimize service downtime. You can deploy a cluster across two or three AZs within a region. For details, see Elasticsearch Cluster Planning Suggestions

Solution

You can deploy a cluster across two or three AZs to enable cross-AZ HA. Ensure that nodes are distributed evenly across these AZs.

Rule Logic

  • If a CSS cluster is deployed in a single AZ, this cluster is noncompliant.
  • If a CSS cluster is deployed in at least two AZs, this cluster is compliant.
Parent topic: Cloud Search Service