portfolio/infra-run/scripts/python/log-diff-checker/examples/sample-diff-report.md

Log Diff Checker

CRITICAL: CRITICAL (NEW)

• Before count: 0
• After count: 1
• Delta: +1
• Sample source: after

Sample log lines:

2026-05-11 10:14:31 app01 inventory-api[2294]: CRITICAL database unavailable while opening checkout connection

CRITICAL: database unavailable (NEW)

• Before count: 0
• After count: 1
• Delta: +1
• Sample source: after

Sample log lines:

2026-05-11 10:14:31 app01 inventory-api[2294]: CRITICAL database unavailable while opening checkout connection

WARNING: unavailable (NEW)

• Before count: 0
• After count: 1
• Delta: +1
• Sample source: after

Sample log lines:

2026-05-11 10:14:31 app01 inventory-api[2294]: CRITICAL database unavailable while opening checkout connection

WARNING: failed (INCREASED)

• Before count: 1
• After count: 2
• Delta: +1
• Sample source: after

Sample log lines:

2026-05-11 10:12:44 app01 inventory-api[2294]: ERROR failed to refresh optional pricing cache
2026-05-11 10:13:05 app01 inventory-api[2294]: ERROR failed to refresh optional pricing cache

WARNING: retrying (INCREASED)

• Before count: 1
• After count: 2
• Delta: +1
• Sample source: after

Sample log lines:

2026-05-11 10:11:02 app01 inventory-api[2294]: WARNING timeout contacting cache01, retrying
2026-05-11 10:11:18 app01 inventory-api[2294]: WARNING timeout contacting cache01, retrying

WARNING: timeout (INCREASED)

• Before count: 1
• After count: 2
• Delta: +1
• Sample source: after

Sample log lines:

2026-05-11 10:11:02 app01 inventory-api[2294]: WARNING timeout contacting cache01, retrying
2026-05-11 10:11:18 app01 inventory-api[2294]: WARNING timeout contacting cache01, retrying

WARNING: denied (RESOLVED)

• Before count: 1
• After count: 0
• Delta: -1
• Sample source: before

Sample log lines:

2026-05-11 09:59:10 app01 inventory-api[1842]: ERROR permission denied reading /etc/inventory/legacy.conf

WARNING: permission denied (RESOLVED)

• Before count: 1
• After count: 0
• Delta: -1
• Sample source: before

Sample log lines:

2026-05-11 09:59:10 app01 inventory-api[1842]: ERROR permission denied reading /etc/inventory/legacy.conf

WARNING: ERROR (UNCHANGED)

• Before count: 2
• After count: 2
• Delta: +0
• Sample source: after

Sample log lines:

2026-05-11 10:12:44 app01 inventory-api[2294]: ERROR failed to refresh optional pricing cache
2026-05-11 10:13:05 app01 inventory-api[2294]: ERROR failed to refresh optional pricing cache

Operational Summary

• Total lines scanned before: 7
• Total lines scanned after: 8
• Total unique patterns compared: 9
• New findings count: 3
• Increased findings count: 3
• Decreased findings count: 0
• Resolved findings count: 2
• Unchanged findings count: 1
• Overall status: CRITICAL