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Salt Air 19 - Intro to SaltStack RAET (reliable asyncronous event transport)
SaltStack has developed RAET (Reliable Asynchronous Event Transport) to enhance speed and flexibility for massive infrastructures, driven by customer demand. RAET, along with SSH and ØMQ, allows for efficient event communication and management, optimizing performance during heavy loads with modular architecture. The technology supports multiple Python versions, ensuring broader compatibility and reliability.
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Salt Air 19 - Intro to SaltStack RAET (reliable asyncronous event transport)
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- 2. 2 Salt Air 19! ! SaltStackRAET! ! Thomas Hatch, SaltStack CTO! &! Sam Smith, SaltStack director product development
- 3. The need forspeed • From server closet to Web scale, speed and flexibility matters;! • SaltStack built for speed and scale at any level;! • SaltStack supports:! • SSH! – Good for limited use cases! – 50x faster than other other SSH-based tools! • ØMQ! – Super fast! – Good for many use cases, but…! • RAET (Reliable asynchronous event transport)! – Even faster! – From tens of thousands to hundreds of thousands! – Driven by customer demand (massive infrastructures)! – More control and infrastructure visibility
- 4. ØMQ background andoverview • ØMQ! • The fastest of the integrated queuing services! • Integrates PubSub Queueing into custom TCP Sockets! • Difficult to observe and manage problems under load! • TCP socket delays, reconnect problems! • Suited for multi-process architectures, context switching overhead, blocking I/O! • TCP connection limits, presence, latency
- 5. SaltStack RAET protocol •Bringing established automation technology to Salt;! • Built on a precedent of successful automation concepts;! • Support for UDP sockets in addition to TCP;! • Transactions for reliability;! • More async;! • Built in crypto (CurveCP);! • Built to run on Python2, Python3, PyPy. 5
- 6. SaltStack RAET layering •Micro-threaded architecture with non-blocking I/O;! • Separates event Pub / Sub queue from socket-based transport layer;! • Optimize queueing and transport independently;! • More modularity;! • Better observability of issues and management of performance under load;! • More fine-grained management of events;! • More maintainable code.
- 7. SaltStack RAET architecture •Modular and nested architecture! • Inter-host communication is transactioned UDP! • Inter-process communication is paged UXD! • Unified event-message routing! • Fully signed and encrypted UDP comms
- 8. SaltStack RAET • Builtfor massive scale to support SaltStack Enterprise customer environments;! • Go faster;! • Driven by customer and user requirements;! • More flexibility (SSH, ØMQ, now RAET);! • Salt on RAET appears the same to the user as Salt on ØMQ. 8
- 9. Thank You 9 www.saltstack.com @saltstackinc freenode IRCchannel: #salt https://github.com/saltstack/salt For more information about SaltStack RAET, please visit: https://github.com/saltstack/raet