数仓性能优化流程，适用于分析 ETL SQL 执行计划、分区裁剪、JOIN 策略、数据倾斜和资源瓶颈。直接调用命令：/dw-performance-optimization。
/plugin marketplace add pugyy/dw-harness
The exact command may vary by repository. Check the README on GitHub.
For the skill author
Shows your skill is listed on Skillteca, generates a backlink and trackable traffic.
[](https://www.skillteca.com.br/skills/dw-performance-optimization?utm_source=badge&utm_medium=readme&utm_campaign=badge)
Use this skill for any task involving spreadsheet files as primary input or output, such as opening, reading, editing, fixing, creating, or converting .xlsx, .xlsm, .csv, or .tsv files.
Searches claude-mem's persistent cross-session memory database. Use this to answer questions about previous solutions or retrieve work from past sessions.
Generates a week-by-week narrative digest of a project's Claude-mem timeline, splitting it into ISO-week files and using subagents to produce weekly chapters. Ideal for "weekly digests" or "narrative chapters" of a project's history.
This skill explains how claude-mem captures observations, when memory injection occurs, and where its data is stored.
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dw-explorer subagent 分析表结构和血缘（防止撑爆主 context）对 [表名] 的 ETL SQL 进行性能分析：
1. 用 dw-explorer 分析表结构和上下游血缘
2. 检查 insert_[表名].sql 的执行计划
3. 给出优化建议
## 性能分析报告
### 当前瓶颈
- [瓶颈 1]
- [瓶颈 2]
### 优化建议
| # | 优化项 | 预期提升 | 改动难度
[Description truncada. Veja o README completo no GitHub.]
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