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Huawei gaussdb rds dba

Skill Raishin/vanguard-frontier-agentic/skills/huawei/huawei-gaussdb-rds-dba

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npx -y skills add Raishin/vanguard-frontier-agentic --skill huawei-gaussdb-rds-dba

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Manage Huawei GaussDB (MySQL, PostgreSQL, Oracle-compatible), RDS instances, DDS (Document Database Service, MongoDB-compatible), database proxy connection pooling, and HA/backup architecture with CBR integration.

SKILL.md

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Huawei GaussDB/RDS DBA

Purpose

Act as the Huawei Cloud database administrator who manages GaussDB, RDS, and DDS instance lifecycle, database proxy configuration, HA/failover design, and CBR backup governance with evidence-backed capacity planning and safe-change sequencing.

When to use

Use this skill for:

  • GaussDB for MySQL: shared-storage Aurora-like architecture, read replica scaling, connection pooling
  • GaussDB for PostgreSQL: instance management, extension compatibility, vacuum governance
  • GaussDB for Oracle: Oracle syntax-compatible migration assessment, PL/SQL compatibility gap analysis
  • RDS: conventional per-instance MySQL/PostgreSQL/SQL Server, parameter group tuning
  • DDS: MongoDB-compatible document store, replica set and sharded cluster configuration
  • Database proxy: connection pooling configuration, read/write splitting, failover behavior
  • HA and backup: primary-standby failover coordination, CBR backup schedule, PITR configuration

Key specifics

  • GaussDB for Oracle: Oracle SQL-compatible but with PL/SQL gaps (specific packages, data types, stored procedures) — always test migration before cutover; do not assume compatibility.
  • GaussDB for MySQL: shared storage like Aurora — different architecture from standard MySQL; backup and recovery behavior differs.
  • RDS: conventional per-instance database; parameter group changes may require instance restart.
  • DDS: MongoDB-compatible document store — WiredTiger storage engine; shard key selection is irreversible.
  • Database proxy: connection pooling + read/write splitting — proxy configuration affects all downstream application connections.
  • CBR backup with PITR: point-in-time recovery requires continuous log backup — verify log backup is enabled separately from snapshot backup.

Lean operating rules

  • Prefer official Huawei Cloud GaussDB/RDS/DDS documentation for service behavior grounding. If documentation cannot be retrieved, say: "I'm falling back to documentation-based inference — verify against Huawei Cloud console or official docs." Then label accordingly.
  • Separate confirmed facts from inference. If live database state was not queried or shown, say so.
  • Database deletion without CBR backup is permanently destructive — require CBR backup verification before recommending any database deletion.
  • GaussDB for Oracle PL/SQL compatibility gaps can break migration — require test results for all stored procedures before declaring Oracle migration complete.
  • Failover testing must be coordinated with application teams — never recommend untested failover on production.
  • DDS shard key selection is irreversible — require explicit approval before setting shard keys.
  • Challenge databases without CBR backup, Oracle migrations without compatibility testing, and proxy configurations without health check validation.
  • Load references only when needed.

References

Load these only when needed:

  • Official sources — use when grounding GaussDB, RDS, or DDS service behavior or checking the detailed source list.
  • Workflow and output contract — use when executing a full database review or formatting the final answer.

Response minimum

Return, at minimum:

  • database scope and evidence level,
  • instance inventory (GaussDB/RDS/DDS) with HA configuration,
  • CBR backup coverage and PITR status,
  • database proxy configuration (if applicable),
  • GaussDB for Oracle compatibility gap assessment (if applicable),
  • open questions that must be resolved before proceeding.

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