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byted-bytehouse-slow-query AI Agent Skill

View Source: bytedance/agentkit-samples

Medium

Installation

npx skills add bytedance/agentkit-samples --skill byted-bytehouse-slow-query

12

Installs

ByteHouse 慢查询分析 Skill

🔵 ByteHouse 品牌标识

「ByteHouse」—— 火山引擎云原生数据仓库,极速、稳定、安全、易用

本Skill基于ByteHouse MCP Server,提供完整的慢查询分析和性能优化能力


描述

ByteHouse慢查询分析和性能优化工具。

当以下情况时使用此 Skill:
(1) 需要识别和分析慢查询
(2) 需要查询性能优化建议
(3) 需要查看查询执行计划
(4) 需要分析查询历史趋势
(5) 用户提到"慢查询"、"查询优化"、"性能分析"、"执行计划"

前置条件

  • Python 3.8+
  • uv (已安装在 /root/.local/bin/uv)
  • ByteHouse MCP Server Skill - 本skill依赖 bytehouse-mcp skill提供的ByteHouse访问能力

依赖关系

本skill依赖 bytehouse-mcp skill,使用其提供的MCP Server访问ByteHouse。

确保 bytehouse-mcp skill已正确配置并可以正常使用。

📁 文件说明

  • SKILL.md - 本文件,技能主文档
  • slow_query_analyzer.py - 慢查询分析主程序
  • README.md - 快速入门指南

配置信息

ByteHouse连接配置

本skill复用 bytehouse-mcp skill的配置。请确保已在 bytehouse-mcp skill中配置好:

export BYTEHOUSE_HOST="<ByteHouse-host>"
export BYTEHOUSE_PORT="<ByteHouse-port>"
export BYTEHOUSE_USER="<ByteHouse-user>"
export BYTEHOUSE_PASSWORD="<ByteHouse-password>"
export BYTEHOUSE_SECURE="true"
export BYTEHOUSE_VERIFY="true"

🎯 功能特性

1. 慢查询识别

  • 从query_log表获取慢查询
  • 按执行时间排序
  • 识别Top N慢查询
  • 分析慢查询模式

2. 查询性能分析

  • 查询执行时间分布
  • 查询类型统计
  • 查询频率分析
  • 性能趋势分析

3. 执行计划分析

  • 获取查询执行计划
  • 分析执行计划节点
  • 识别性能瓶颈
  • 提供优化建议

4. 优化建议生成

  • 索引优化建议
  • 查询重写建议
  • 表引擎建议
  • 配置参数调优

🚀 快速开始

方法1: 运行慢查询分析

cd /root/.openclaw/workspace/skills/bytehouse-slow-query

# 先设置环境变量(复用bytehouse-mcp的配置)
export BYTEHOUSE_HOST="<ByteHouse-host>"
export BYTEHOUSE_PORT="<ByteHouse-port>"
export BYTEHOUSE_USER="<ByteHouse-user>"
export BYTEHOUSE_PASSWORD="<ByteHouse-password>"
export BYTEHOUSE_SECURE="true"
export BYTEHOUSE_VERIFY="true"

# 运行慢查询分析
uv run slow_query_analyzer.py

分析内容包括:

  • Top 20慢查询
  • 查询性能统计
  • 执行时间分布
  • 优化建议生成

输出文件(保存在 output/ 目录):

  1. slow_queries_{timestamp}.json - 慢查询列表
  2. query_stats_{timestamp}.json - 查询统计报告
  3. optimization_suggestions_{timestamp}.json - 优化建议

💻 慢查询分析维度

时间维度分析

  • 按小时: 每小时慢查询数量
  • 按天: 每天慢查询趋势
  • 按周: 每周慢查询模式
  • 按月: 每月慢查询统计

查询类型分析

  • SELECT查询: 查询语句分析
  • INSERT查询: 写入性能分析
  • UPDATE查询: 更新性能分析
  • DELETE查询: 删除性能分析
  • DDL查询: 建表/改表性能分析

性能指标

  • 平均执行时间: 所有查询平均耗时
  • P50执行时间: 中位数执行时间
  • P95执行时间: 95分位执行时间
  • P99执行时间: 99分位执行时间
  • 最大执行时间: 最慢查询耗时

📊 慢查询报告示例

慢查询列表

{
  "analysis_time": "2026-03-12T21:00:00",
  "total_queries": 10000,
  "slow_queries": 150,
  "top_slow_queries": [
    {
      "query_id": "query-12345",
      "query_text": "SELECT * FROM large_table WHERE ...",
      "duration_ms": 15000,
      "start_time": "2026-03-12T20:55:00",
      "read_rows": 1000000,
      "read_bytes": 104857600
    }
  ]
}

📚 更多信息

详细使用说明请参考 bytehouse-mcp skill


最后更新: 2026-03-12

Installs

Installs 12
Global Rank #601 of 601

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How to use this skill

1

Install byted-bytehouse-slow-query by running npx skills add bytedance/agentkit-samples --skill byted-bytehouse-slow-query in your project directory. Run the install command above in your project directory. The skill file will be downloaded from GitHub and placed in your project.

2

No configuration needed. Your AI agent (Claude Code, Cursor, Windsurf, etc.) automatically detects installed skills and uses them as context when generating code.

3

The skill enhances your agent's understanding of byted-bytehouse-slow-query, helping it follow established patterns, avoid common mistakes, and produce production-ready output.

What you get

Skills are plain-text instruction files — not executable code. They encode expert knowledge about frameworks, languages, or tools that your AI agent reads to improve its output. This means zero runtime overhead, no dependency conflicts, and full transparency: you can read and review every instruction before installing.

Compatibility

This skill works with any AI coding agent that supports the skills.sh format, including Claude Code (Anthropic), Cursor, Windsurf, Cline, Aider, and other tools that read project-level context files. Skills are framework-agnostic at the transport level — the content inside determines which language or framework it applies to.

Data sourced from the skills.sh registry and GitHub. Install counts and security audits are updated regularly.

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