🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026
Affected versions: Oracle Linux 10

📖 ~1 min read

Table of contents
  1. Symptom & Impact
  2. Environment & Reproduction
  3. Root Cause Analysis
  4. Quick Triage
  5. Step-by-Step Diagnosis
  6. Solution – Primary Fix
  7. Solution – Alternative Approaches
  8. Verification & Acceptance Criteria
  9. Rollback Plan
  10. Prevention & Hardening
  11. Related Errors & Cross-Refs
  12. References & Further Reading

Symptom & Impact

Throughput declines and latency spikes after host reprovisioning.

Environment & Reproduction

Typically follows profile overrides or missed baseline application.

tuned-adm active
sysctl -a | grep -E 'dirty|swappiness|sched' | head

Root Cause Analysis

Inactive or incorrect tuned profile leaves suboptimal kernel and power settings.

Quick Triage

Check active profile and recent configuration changes.

tuned-adm verify
ls -l /etc/tuned
journalctl -u tuned -n 60

Step-by-Step Diagnosis

Compare running settings against approved baseline profile.

tuned-adm recommend
tuned-adm profile_info throughput-performance
Illustrative mockup for oracle-linux-10 — terminal_or_shell
tuned profile and sysctl comparison — Illustrative mockup — Progressive Robot

Solution – Primary Fix

Apply approved tuned profile and restart service.

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tuned-adm profile throughput-performance
systemctl restart tuned
tuned-adm active
Illustrative mockup for oracle-linux-10 — logs_or_journal
performance anomaly logs — Illustrative mockup — Progressive Robot

Solution – Alternative Approaches

Use custom profile for workload specific behavior.

cp -a /usr/lib/tuned/throughput-performance /etc/tuned/custom-profile
tuned-adm profile custom-profile

Verification & Acceptance Criteria

Key performance metrics return to expected baseline.

tuned-adm verify
vmstat 1 5

Rollback Plan

Switch back to previous profile if regressions appear.

tuned-adm profile balanced

Prevention & Hardening

Enforce profile policy via automation and drift detection.

tuned-adm active
sha256sum /etc/tuned/* -r

Related to CPU governor drift and memory pressure tuning gaps.

Related tutorial: View the step-by-step tutorial for oracle-linux-10.

View all oracle-linux-10 tutorials on the Tutorials Hub →

Browse all common problems & solutions on the Tutorials Hub.

References & Further Reading

Oracle Linux tuned profile management and performance optimization docs.

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