Oracle Health Checks run server-level checks and show findings that may affect performance, reliability, and operations.
Oracle Health Checks turn monitoring evidence into a practical review list for reliability, performance, and operations. Prioritize findings that affect availability, backup confidence, storage capacity, security posture, or critical user workloads. Then schedule lower-risk findings into normal DBA maintenance.
Validate each finding before acting. A performance recommendation should be compared with Oracle Queries, Oracle Waits, and Oracle Activity. A memory or configuration recommendation should be reviewed with Oracle Memory and your existing Oracle standards.
Oracle estates often have strict change control. Record the finding, affected database, evidence, recommended action, and owner. After the change, re-run checks and keep the before-and-after result for audit and service reporting.
No. Prioritize by severity, production impact, risk, and maintenance window availability.
Monitoring can identify symptoms and risks, but production Oracle changes must account for workload, version, licensing, and local standards.
Yes. They are useful for monthly service reviews, managed DBA reporting, and pre-upgrade readiness checks.
After reviewing an Oracle health check, confirm the evidence on the related activity, query, wait, or memory page before making changes. Oracle environments often have strict change windows and licensing rules, so document the finding, supporting metric, affected database, owner, and planned action. Re-run health checks after remediation to confirm the condition cleared.
The following Mini DBA Oracle health check detail pages explain the purpose of each check and the actions to take when a check fails.
| Health check | Category | Detail |
|---|---|---|
| Alert Log Errors | HealthCheckCategory.Performance | Open detail |
| Blocking Sessions | HealthCheckCategory.Performance | Open detail |
| Buffer Cache Hit Ratio | HealthCheckCategory.Performance | Open detail |
| Database Uptime | HealthCheckCategory.Performance | Open detail |
| Dead or Inactive Sessions | HealthCheckCategory.Performance | Open detail |
| Invalid Objects | HealthCheckCategory.Performance | Open detail |
| Long Running Sessions | HealthCheckCategory.Performance | Open detail |
| Long Table Scans | HealthCheckCategory.Performance | Open detail |
| Physical Read Pressure | HealthCheckCategory.Performance | Open detail |
| Redo Log Switches | HealthCheckCategory.Performance | Open detail |
| Rollback Rate | HealthCheckCategory.Performance | Open detail |
| Temp I/O Waits | HealthCheckCategory.Performance | Open detail |
| Top SQL Outliers | HealthCheckCategory.Performance | Open detail |
| Data Guard Lag | HealthCheckCategory.Reliability | Open detail |
| PDB Open Mode | HealthCheckCategory.Reliability | Open detail |
| Expiring Passwords | HealthCheckCategory.Security | Open detail |
| Failed Login Attempts | HealthCheckCategory.Security | Open detail |
| Archive Log Destination Usage | HealthCheckCategory.Storage | Open detail |
| FRA (Flash Recovery Area) Usage | HealthCheckCategory.Storage | Open detail |
| Tablespace Usage | HealthCheckCategory.Storage | Open detail |
| Temp Tablespace Usage | HealthCheckCategory.Storage | Open detail |