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Database Performance Addendum

Domain-specific extensions to the Crisis Response Chain and TRACE / DEBUG mnemonics for database, query, and data-platform incidents.

Purpose

Placeholder for database and data-platform content (queries, connections, replication, storage). TRACE, DEBUG, STOP→TRACE→DEBUG→8D apply broadly; add workflows that fit your stack.

Placeholder Sections (contribute here)

Add pipelines, checklists, or mnemonic adaptations for:

  • Query performance — slow queries, execution plans, indexes, statistics; where DEBUG’s “Understand data flow” meets the DB
  • Connections / pooling — exhaustion, timeouts, connection limits; handoff from TRACE/DEBUG
  • Replication / HA — lag, split-brain, failover; integration with 8D D3 (containment) and D4 (RCA)
  • Storage / I/O — disk, IOPS, growth; when to branch from TRACE “Review logs and metrics”
  • Schema / migrations — lock contention, DDL, version drift; links to 8D and ICEBERG for recurring issues

Keep the same structure as the main guide: when-to-use, steps, pitfalls, “combines well with,” real-world example. Link back to TRACE, DEBUG, 8D, ICEBERG, and METRICS.

How to contribute

  1. PR adding a ### section under a placeholder (or propose a new one).
  2. Reuse existing mnemonics where possible.
  3. CONTRIBUTING · FIELD-REPORTS

README · Network · Cloud-Native