Home / Skills / sn-da-large-file-analysis
sn-da-large-file-analysis
OpenSenseNova/SenseNova-SkillsSkill
万行以上 Excel 数据集的高性能分析引擎。提供 openpyxl read_only 流式读取（iter_rows 支持 10 万行以上）、Parquet 转换加速、内存优化、分块处理和大文件写入模式。**遇到以下任一情况就主动使用本 skill**：①数据行数 ≥ 10k（由 sn-da-excel-workflow 的行数评估步骤触发）；②用户出现触发词：大文件 / 大数据量 / 性能优化 / 内存不足 / OOM / 百万行 / 十万行 / 流式读取 / Parquet / 分块处理 / large file / big data / streaming read / chunked processing；③直接使用 pd.read_excel() 导致超时或内存溢出；④用户明确要求对大规模数据集进行高性能处理。仅不用于：小于 10k 行的常规 Excel 分析（使用 sn-da-excel-workflow 即可）。
Why this score
This repo hosts 10 skills, so its 5,797 stars are split between them (about 580 each) for scoring.
Popularity score: 76/100 from public GitHub signals only. It shows how widely used and maintained this is, not how well it works. Not included yet: the fake-star check. The security scan is shown separately and doesn't change the score. How we rank
Security
Scanned Oct 20, 2026 at commit 7838651111ef, with Cisco's open-source skill-scanner.
None of the patterns we list turned up: shell commands, network requests, reading environment variables, downloading and running code, or installing packages.
A scan lists patterns in the code. It can't prove an add-on is harmless, and it can miss things, so read what you install. How we scan
Prompts that use Excel
Alternatives
Other makers' add-ons that do the same job, next to this one.
| Name | Score | Stars | Context | Updated |
|---|---|---|---|---|
| This onesn-da-large-file-analysis OpenSenseNova/SenseNova-Skills · Skill | 76 | ★ 5.8k | ≈112 always | 27d ago |
| data-analysis-skills cabbage2000-lab/data-analysis-skills · Skill Same job: spreadsheets, also for Excel | 57 | ★ 21 | ≈54 always | 26d ago |