Source: https://seerepo.com/compare/alibaba/nacos/vs/elastic/logstash
Markdown source: https://seerepo.com/compare/alibaba/nacos/vs/elastic/logstash.md
Description: nacos and logstash share 4 technologies: commons-logging, log4j-slf4j-impl, org.apache.logging.log4j:log4j-core, and Apache. nacos is written in Java and logstash in Ruby.

# nacos vs logstash

nacos and logstash share 4 technologies: commons-logging, log4j-slf4j-impl, org.apache.logging.log4j:log4j-core, and Apache. nacos is written in Java and logstash in Ruby.

- [alibaba/nacos](https://seerepo.com/r/alibaba/nacos): an easy-to-use dynamic service discovery, configuration and service management platform for building AI cloud native applications.
- [elastic/logstash](https://seerepo.com/r/elastic/logstash): Logstash - transport and process your logs, events, or other data

## What they share and what sets them apart

- In common: commons-logging, log4j-slf4j-impl, org.apache.logging.log4j:log4j-core, Apache
- Only in nacos: org.springframework.boot:spring-boot-starter-web, com.mysql:mysql-connector-j, H2 Database, ojdbc8, org.apache.derby:derbyshared, org.springframework.boot:spring-boot-starter-jdbc, PostgreSQL, com.zaxxer:HikariCP, MySQL, Postgres, RocksDB, com.github.ben-manes.caffeine:caffeine, org.apache.derby:derby, Spring Boot, org.apache.tomcat.embed:tomcat-embed-core, Vite, React, react-router-dom, React Router, jjwt-api, jjwt-impl, jjwt-jackson, nimbus-jose-jwt, oauth2-oidc-sdk, org.springframework.boot:spring-boot-starter-security, Model Context Protocol, com.networknt:json-schema-validator, jcl-over-slf4j, jul-to-slf4j, log4j-over-slf4j, micrometer-bom, micrometer-registry-prometheus, org.springframework.boot:spring-boot-starter-actuator, org.slf4j:slf4j-api, io.micrometer:micrometer-core, ch.qos.logback:logback-classic, ch.qos.logback:logback-core, Tailwind CSS, class-variance-authority, tailwind-merge, sonner, Radix UI, monaco-editor, @uiw/react-md-editor, Lucide, react-markdown, remark-gfm, remark-frontmatter, js-yaml, react-icons, prop-types
- Only in logstash: Sinatra, rack, csv, log4j-1.2-api, Logstash, slf4j-api, down, io.opentelemetry:opentelemetry-exporter-otlp, io.opentelemetry:opentelemetry-sdk, OpenTelemetry, puma

## Side by side

| | nacos | logstash |
|---|---|---|
| Size | 937,868 lines written, 3,424 code files | 163,184 lines written, 684 code files |
| Who writes it | 4.3% of its commits signed by AI. With Claude Code, Cursor, and GitHub Copilot | 0.2% of its commits signed by AI. With GitHub Copilot, Claude Code, and Cursor |
| Activity | Last push November 5, 2026, 5,254 commits, 33,500 stars | Last push November 6, 2026, 10,353 commits, 14,973 stars |
| Tests | 2,395 test files. 82.4% of its code files have a test that imports them | 474 test files. 60.2% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, nacos or logstash?

nacos, with 937,868 lines written; logstash has 163,184.

The proof: [alibaba/nacos's code at commit 815779b](https://github.com/alibaba/nacos/tree/815779bcb90f131b0b6d471fdd1d6fae9b5276be)

### Which has more GitHub stars, nacos or logstash?

nacos, with 33,500 stars; logstash has 14,973.

The proof: [alibaba/nacos on GitHub](https://github.com/alibaba/nacos)

### Which has more tests, nacos or logstash?

nacos, with 2,395 test files; logstash has 474.

The proof: [alibaba/nacos's code at commit 815779b](https://github.com/alibaba/nacos/tree/815779bcb90f131b0b6d471fdd1d6fae9b5276be)

### Which was updated more recently, nacos or logstash?

logstash: its last push was on November 6, 2026, and nacos's on November 5, 2026.

The proof: [elastic/logstash's commits on GitHub](https://github.com/elastic/logstash/commits)

### Which has more commits signed by AI, nacos or logstash?

nacos: an AI signed 4.3% of its commits, with Claude Code, Cursor, and GitHub Copilot; in logstash, 0.2%.

The proof: [the commits each tool signed in alibaba/nacos](https://seerepo.com/r/alibaba/nacos/ai)

## Sources

- alibaba/nacos: Read on November 7, 2026, at commit 815779b (https://github.com/alibaba/nacos/tree/815779bcb90f131b0b6d471fdd1d6fae9b5276be)
- elastic/logstash: Read on November 8, 2026, at commit 6f7d271 (https://github.com/elastic/logstash/tree/6f7d271503544972c368578a7e1e0f9b2fb55bf1)

## 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.