https://github.com/redsuperbat/nano-flow

Simplistic Append only log with grpc streaming
https://github.com/redsuperbat/nano-flow

Last synced: 3 months ago
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Simplistic Append only log with grpc streaming

• Host: GitHub
• URL: https://github.com/redsuperbat/nano-flow
• Owner: redsuperbat
• Created: 2023-07-25T22:11:54.000Z (almost 3 years ago)
• Default Branch: main
• Last Pushed: 2023-11-25T09:14:17.000Z (over 2 years ago)
• Last Synced: 2025-01-18T10:32:03.816Z (over 1 year ago)
• Language: Go
• Size: 23.4 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
# Nano Flow

Tiny append only database used for event driven applications. Uses Grpc to produce messages and subscribe to messages via ephemeral consumer groups.

## Message Storage Protocol

![nano-flow-file-protocol](https://github.com/redsuperbat/nano-flow/assets/44667637/a9d9b4f0-e357-4442-992a-8218aa7b6e3e)

2 bytes

Version Nr as a unsigned 16 bit integer

4 bytes 

Message content length as a unsigned 32 bit integer

8 bytes

Timestamp of message as a signed 64 bit integer

4 bytes

CRC32 checksum as a 32 bit unsigned integer. Checksum includes the header and body

19-X bytes

Message body defined by the content length in header