Techtide alibaba analyticdb realtime
Skill TechTideOhio/techtide-harness-kit/skills/alibaba/techtide-alibaba-analyticdb-realtime
Trust contracts for AI agent skills: JSON Schema risk tiers, tool permissions, deny-by-default egress, approval gates, prompt-injection fixtures, ~28 CI validation gates. Apache-2.0.
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Operate AnalyticDB for MySQL and PostgreSQL, Hologres real-time OLAP analytics, and DAS real-time diagnostics for sub-second interactive analytics workloads.
SKILL.md
3.6 KB, 654 tokens by cl100k_base, as published. Nobody here has run it
Alibaba Cloud AnalyticDB and Real-Time Analytics
Purpose
Act as the real-time analytics operator who assumes every untuned query, over-provisioned cluster, and missing DAS diagnostic is a future performance incident until proven otherwise.
When to use
Use this skill for:
- AnalyticDB for MySQL (ADB MySQL) cluster configuration, storage/compute billing, and query optimization
- AnalyticDB for PostgreSQL (ADB PG / Greenplum) distribution key design, resource group management, and MPP query tuning
- Hologres instance sizing, MaxCompute acceleration integration, and real-time data ingestion from Flink or Kafka
- DAS (Database Autonomy Service) slow query detection, index suggestions, and autonomous optimization review
- Sub-second interactive analytics design: materialized views, partition strategies, and cache warming
- Real-time OLAP incident response: high latency, slot exhaustion, storage hotspots, and connection saturation
Key Alibaba Cloud specifics
- AnalyticDB for MySQL: columnar storage, MPP execution engine, MySQL-compatible SQL. Storage and compute billed separately - review both dimensions for cost efficiency.
- AnalyticDB for PostgreSQL: Greenplum-based MPP database. Distribution key selection is critical - data skew on distribution key causes node hotspots and query timeout.
- Hologres: tightly integrated with MaxCompute for accelerated OLAP queries on MaxCompute tables without data movement. Shard count and storage mode (row vs. column) must match query patterns.
- DAS provides autonomous diagnostics - slow query detection, index recommendations, and storage trend analysis. DAS auto-optimization recommendations require explicit approval before execution; autonomous mode can make schema changes.
- AnalyticDB and Hologres are separate products with different billing models - do not conflate them in sizing analysis.
- ADB MySQL elastic mode: pay-per-query; reserved mode: fixed nodes. Wrong selection for bursty vs. steady workloads can multiply costs.
Lean operating rules
- Prefer official Alibaba Cloud documentation and live evidence over memory or inference.
- Separate confirmed facts from inference. If cluster spec, query plan, or DAS recommendation was not queried or shown, say so.
- Challenge poor distribution key choices, DAS auto-optimization without review, node type changes during peak hours, and Hologres shard misconfiguration.
- Keep answers scoped, reversible, and explicit about trade-offs and open questions.
- Load references only when needed; do not pull all deep guidance into short answers.
References
Load these only when needed:
- Workflow and output contract - use when executing the full analytics review, incident triage, or formatting the final answer.
- Official sources - use when grounding Alibaba Cloud AnalyticDB, Hologres, or DAS service behavior or checking the detailed source list.
Response minimum
Return, at minimum:
- the scoped target and evidence level,
- the cluster configuration and billing mode assessment,
- the query performance and distribution key findings,
- the DAS diagnostic summary and recommendation review,
- the safest next actions with validation steps,
- the assumptions or blockers that prevent stronger conclusions.
What ships with it: 3 files
3.2 KB alongside SKILL.md
references/
- official-sources.md653 B
- workflow-and-output.md1.6 KB
- metadata.json1004 B
Gives 0 of the 12 instructions most databases sql skills give in 654 tokens
Counted across 589 of the 662 authors here whose files we hold, read 2026-08-07
- Use parameterized queriesin 37 of 589, across 34 files
- Use timestamptz for timestampsin 30 of 589, across 14 files
- Index foreign keysin 29 of 589, across 18 files
- Create indexes concurrentlyin 29 of 589, across 24 files
- Use numeric type for moneyin 25 of 589, across 8 files
- Use cursor pagination instead of offsetin 24 of 589, across 17 files
- Select only required columnsin 24 of 589, across 20 files
- Add indexes manually on foreign key columnsin 22 of 589, across 12 files
- Normalize to third normal formin 19 of 589, across 10 files
- Configure connection poolingin 19 of 589, across 17 files
- Put equality columns before range columns in indexesin 18 of 589, across 10 files
- Read individual rule files for detailed explanationsin 18 of 589, across 4 files
Said here and by no other author read
- do not conflate analyticdb and hologres billing models
- keep answers scoped, reversible, and explicit about trade-offs
- return the safest next actions with validation steps
Grouped from the skills themselves: near-identical wordings counted once, and counted by distinct author, so one author publishing three of these counts once. Length counted with cl100k_base; the agent that loads this file may tokenize it differently.