Source: https://seerepo.com/r/elastic/logstash
Markdown source: https://seerepo.com/r/elastic/logstash.md
Description: elastic/logstash is a Ruby repo with 163,184 lines written. logstash is built with Sinatra and rack. AI signed 0.2% of the 10,353 commits of logstash.

# What's inside elastic/logstash

elastic/logstash is a Ruby repo with 163,184 lines written. logstash is built with Sinatra and rack. AI signed 0.2% of the 10,353 commits of logstash.

Its description on GitHub: “Logstash - transport and process your logs, events, or other data”

Ruby · 14,973 stars · GitHub: https://github.com/elastic/logstash

Read on November 8, 2026, at commit 6f7d271.

## More on this repo

- [What is logstash built with?](https://seerepo.com/r/elastic/logstash/built): logstash is built with Sinatra and rack.
- [How much of logstash did AI write?](https://seerepo.com/r/elastic/logstash/ai): AI signed 0.2% of the 10,353 commits of logstash.

## In figures

- 163,184 lines written: The ones people and agents wrote: product, tests, schemas and tooling. Generated code doesn’t count.
- 684 source files: The same as the lines: product, tests, schemas and tooling. What’s generated doesn’t count.
- 474 test files: The files that test the code.
- 15 technologies: Each service with the file and line that prove it.

SeeRepo read the facts in its code and kept none of it. AI only helps sort its packages and folders by their names, and never sees its code.

## Frequently asked questions

### What is elastic/logstash?

elastic/logstash is a Ruby repo with 163,184 lines written. Its description on GitHub: “Logstash - transport and process your logs, events, or other data”

The proof: [its page on GitHub](https://github.com/elastic/logstash)

### What is logstash built with?

logstash is built with Sinatra and rack.

The proof: [each service with its file and line](https://seerepo.com/r/elastic/logstash/built)

### How much of logstash did AI write?

AI signed 0.2% of the 10,353 commits of logstash.

The proof: [the commits each tool signed](https://seerepo.com/r/elastic/logstash/ai)

### How many stars does logstash have on GitHub?

logstash had 14,973 stars on GitHub on November 8, 2026.

The proof: [its page on GitHub](https://github.com/elastic/logstash)

## Add this badge to your README

It links to this page and updates itself each time SeeRepo reads the repo.

```markdown
[![elastic/logstash on SeeRepo](https://seerepo.com/badge/elastic/logstash.svg)](https://seerepo.com/r/elastic/logstash?de=insignia)
```

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.