Notes

Aeron client notes

java

Notes on Aeron, a high-thorughput messaging system.

  • Structure:

    • Client library included in application
      • Java, C/C++, C#, Rust (community) supported
      • Communicates with media driver via ring buffers in memory-mapped command and control file
    • Media driver runs in separate JVM process
      • Send/receive UDP or IPC
      • Owns the memory-mapped file for client comms
      • Client language agnostic
    • Archive service
      • Seperate process that persists messages to disk (e.g. for replays or regulatory purposes)
    • Cluster
      • Distributed archive
      • Raft consensus

  • Uses Agrona utilitis and ds