This document describes the Prometheus alerts available for Spanner Omni. Use these alerts to monitor the status and performance of your Spanner Omni deployment.
TrueTime alerts
Use the following alerts to monitor the status of TrueTime in your deployment:
| Alert | Severity | Duration | Description |
|---|---|---|---|
TrueTimeUnavailable |
critical | 1 minute | TrueTime is unavailable for more than 1 minute. |
ClockSlaViolation |
critical | 1 minute | A server has violated the clock service level agreement (SLA). |
CPU alerts
Use the following alerts to monitor the CPU utilization of your deployment:
| Alert | Severity | Duration | Description |
|---|---|---|---|
SpannerHighCPUUtilization |
warning | 5 minutes | Overall CPU utilization has been higher than 65% for more than 5 minutes. |
Storage alerts
Use the following alerts to monitor the storage utilization of your deployment:
| Alert | Severity | Duration | Description |
|---|---|---|---|
SpannerStorageUtilizationWarning |
warning | 5 minutes | Spanner Omni storage on a server is high (80%). |
SpannerStorageUtilizationCritical |
critical | 5 minutes | Spanner Omni storage on a server is high (90%). |
SpannerStoragePerVCPUTooHigh |
warning | 5 minutes | The storage per vCPU is exceeding 500 GB. |