What would you monitor for Query Execution Plans on-call?

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Quick interview answer

On-call for Query Execution Plans: alert on lag/latency, error spikes, and saturation — with runbooks. Use Query Execution Plans as the core idea. Example shape: Sudden seq scan on million-row table traced to outdated stats after bulk load..

Detailed answer

On-call monitoring for Query Execution Plans: • Golden signals: latency, traffic, errors, saturation • Query Execution Plans-specific gauges (queue delay, pool wait, cache miss, etc.) • Alerting: burn-rate / multi-window so pages are actionable • Runbook: mitigate → diagnose → escalate Parent context: Use Query Execution Plans as the core idea. Example shape: Sudden seq scan on million-row table traced to outdated stats after bulk load..

Full explanation

Tie each alert to a user-visible or SLO impact for Query Execution Plans. Use Query Execution Plans as the core idea. Example shape: Sudden seq scan on million-row table traced to outdated stats after bulk load..

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Parent context — Query Execution Plans

Use Query Execution Plans as the core idea. Example shape: Sudden seq scan on million-row table traced to outdated stats after bulk load..

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