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alert-version-mismatch.md

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Alert: Version Mismatch

Purpose of this Alert

All CockroachDB cluster nodes are running exactly the same executable (with identical build label). This warning is a safety catch to guard against an operational error when some node(s) were not upgraded.


Monitoring Metric

build.timestamp

Alert Rule

Tier Definition
WARNING Non-uniform executable Build version across cluster nodes for more than 4 hours.

Alert Response

Ensure all cluster nodes are running exactly the same CockroachDB version, including the patch release version number.


Alert: Major Upgrade Un-finalized

Purpose of this Alert

A major upgrade should not be left un-finalized for an extended period of time, beyond a small number of days necessary to gain confidence in the new release. This warning is a safety catch to guard against an operational error when a major upgrade is left un-finalized.


Monitoring Metric

No metric is available. Monitor via a query against system tables.

Monitoring Result of SQL Query

Run the check query provided in the CockroachDB version upgrade article. If the query returns false, the last major upgrade has not been finalized.

Alert Rule

Tier Definition
WARNING Major release upgrade has not been finalized for 3 days

Alert Response

Finalize the upgrade.