Europycon2011: Implementing distributed application using ZeroMQ

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The document discusses the messaging patterns and sockets in ØMQ (ZeroMQ), an open-source library for building distributed applications. It describes the basic patterns like publisher-subscriber, request-reply, and load balancing. It explains that ØMQ sockets support asynchronous messaging, are cross-platform, and can be used from multiple programming languages. The document also touches on scalability, dynamic scaling, and built-in devices in ØMQ like proxies and brokers.

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Europycon2011: Implementing distributed application using ZeroMQ

The Ø in ØMQ

Zero Broker

Zero Latency (as close as possible...)

The Ø in ØMQ

Zero Broker

Zero Latency (as close as possible...)

Zero administration

The Ø in ØMQ

Zero Broker

Zero Latency (as close as possible...)

Zero administration

Zero cost

The Ø in ØMQ

Zero Broker

Zero Latency (as close as possible...)

Zero administration

Zero cost

Zero waste

Sockets
Unicast transports (inproc, ipc, tcp)

Sockets
Unicast transports (inproc, ipc, tcp)

Multicast transports (pgm or epgm)

Sockets
Unicast transports (inproc, ipc, tcp)

Multicast transports (pgm or epgm)

connect() and bind() are independent

Sockets
Unicast transports (inproc, ipc, tcp)

Multicast transports (pgm or epgm)

connect() and bind() are independent

They are asynchronous (with queues)

...and, of course...

Cross Platform (Linux, Windows, Mac, etc...)

Multiple Languages (c, c++, python, java,
ruby, erlang, php, perl, ada, c#, lua, scala,
objective-c, go, haskell, racket, cl, basic...)

OpenSource

if you have a laptop...

http://www.zeromq.org/

http://zguide.zeromq.org/

Workers

Always synchronize the start of the batch

The ventilator's PUSH socket distributes
tasks to workers (load balancing)

The sink's PULL socket collects results from
workers evenly (fair-queuing)

Allowed Patterns

PUB and SUB DEALER and DEALER

REQ and REP ROUTER and ROUTER

REQ and ROUTER PUSH and PULL

DEALER and REP PAIR and PAIR

DEALER and ROUTER

Built-in Devices

QUEUE (request-reply broker.)

FORWARDER (pub-sub proxy server)

STREAMER (like FORWARDER but for
pipeline ﬂows)

Dynamic Scalability...
SCA LOW
LAB
ILI
!!!! TY

The document provides code examples and explanations for using ZeroMQ, covering various socket types and messaging patterns such as request/reply, publish/subscribe, and pipeline processing. It includes setups for server and client, socket definitions, and methods for sending and receiving messages using ZeroMQ's context and sockets in PHP. Additionally, links to helpful resources and community contributions are provided.

Overview of ZeroMQpieterh

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This document provides an overview of ZeroMQ, including: - What ZeroMQ is and its history as an asynchronous messaging library developed as a simpler alternative to AMQP. - Why use ZeroMQ, highlighting its scalability, simplicity, performance, and language bindings. - ZeroMQ's architecture, including its concurrency model using message passing between threads, infrastructure components like queues and forwarders, and common messaging patterns. - Hands-on examples of basic ZeroMQ concepts like contexts, sockets, and patterns like request/reply and publish-subscribe. - Current and future projects using ZeroMQ, along with the roadmap for Version 3.0 focusing on improvements like TCP services and API simpl

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ØMQ (ZeroMQ) is an open-source library for high-performance asynchronous messaging. It was created by Martin Sústrik and Pieter Hintjens to enable cheaper and faster connections between distributed applications. ØMQ provides common messaging patterns like request-reply, publish-subscribe, and push-pull without a centralized message broker. It has bindings for many languages and can handle millions of messages per second with low latency. The presentation demonstrated ØMQ patterns and use cases, and discussed why it may have been better implemented in C instead of C++.

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This session will cover a common use case for local and state/provincial governments who create and/or maintain their 9-1-1 addressing data, particularly address points and road centerlines. In this session, you'll learn how FME has helped Shelby County 9-1-1 (TN) automate the 9-1-1 addressing process; including automatically assigning attributes from disparate sources, on-the-fly QAQC of said data, and reporting. The FME logic that this presentation will cover includes: Table joins using attributes and geometry, Looping in custom transformers, Working with lists and Change detection.

2025_06_18 - OpenMetadata Community Meeting.pdfOpenMetadata

The community meetup was held Wednesday June 18, 2025 @ 9:00 AM PST. Catch the next OpenMetadata Community Meetup @ https://www.meetup.com/openmetadata-meetup-group/ In this month's OpenMetadata Community Meetup, "Enforcing Quality & SLAs with OpenMetadata Data Contracts," we covered data contracts, why they matter, and how to implement them in OpenMetadata to increase the quality of your data assets! Agenda Highlights: 👋 Introducing Data Contracts: An agreement between data producers and consumers 📝 Data Contracts key components: Understanding a contract and its purpose 🧑‍🎨 Writing your first contract: How to create your own contracts in OpenMetadata 🦾 An OpenMetadata MCP Server update! ➕ And More!

"Scaling in space and time with Temporal", Andriy Lupa.pdfFwdays

Design patterns like Event Sourcing and Event Streaming have long become standards for building real-time analytics systems. However, when the system load becomes nonlinear with fast and often unpredictable spikes, it's crucial to respond quickly in order not to lose real-time operating itself. In this talk, I’ll share my experience implementing and using a tool like Temporal.io. We'll explore the evolution of our system for maintaining real-time report generation and discuss how we use Temporal both for short-lived pipelines and long-running background tasks.

AI Agents and FME: A How-to Guide on Generating Synthetic MetadataSafe Software

"Database isolation: how we deal with hundreds of direct connections to the d...Fwdays

What can go wrong if you allow each service to access the database directly? In a startup, this seems like a quick and easy solution, but as the system scales, problems appear that no one could have guessed. In my talk, I'll share Solidgate's experience in transforming its architecture: from the chaos of direct connections to a service-based data access model. I will talk about the transition stages, bottlenecks, and how isolation affected infrastructure support. I will honestly show what worked and what didn't. In short, we will analyze the controversy of this talk.

cnc-processing-centers-centateq-p-110-en.pdfAmirStern2

מרכז עיבודים תעשייתי בעל 3/4/5 צירים, עד 22 החלפות כלים עם כל אפשרויות העיבוד הדרושות. בעל שטח עבודה גדול ומחשב נוח וקל להפעלה בשפה העברית/רוסית/אנגלית/ספרדית/ערבית ועוד.. מסוגל לבצע פעולות עיבוד שונות המתאימות לענפים שונים: קידוח אנכי, אופקי, ניסור, וכרסום אנכי.

Lessons Learned from Developing Secure AI Workflows.pdfPriyanka Aash

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Using the SQLExecutor for Data Quality Management: aka One man's love for the...Safe Software

Cyber Defense Matrix Workshop - RSA ConferencePriyanka Aash

Python Conference Singapore - 19 Jun 2025ninefyi

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CapCut Pro Crack For PC Latest Version {Fully Unlocked} 2025pcprocore

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OpenPOWER Foundation & Open-Source Core InnovationsIBM

PyCon SG 25 - Firecracker Made Easy with Python.pdfMuhammad Yuga Nugraha

OpenACC and Open Hackathons Monthly Highlights June 2025OpenACC

Enhance GitHub Copilot using MCP - Enterprise version.pdfNilesh Gule

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2025_06_18 - OpenMetadata Community Meeting.pdfOpenMetadata

"Scaling in space and time with Temporal", Andriy Lupa.pdfFwdays

AI Agents and FME: A How-to Guide on Generating Synthetic MetadataSafe Software

"Database isolation: how we deal with hundreds of direct connections to the d...Fwdays

cnc-processing-centers-centateq-p-110-en.pdfAmirStern2

Europycon2011: Implementing distributed application using ZeroMQ

1. Implementing distributed applications with ...and some other bad guys... Crippa Francesco

2. Scalability vs Complexity

3. Scalability vs Complexity what we want Complexity 1 Thread 2 Threads 2 Nodes 4 Nodes

4. Scalability vs Complexity reality Complexity 1 Thread 2 Threads 2 Nodes 4 Nodes

5. The Q in ØMQ

9. The Ø in ØMQ

10. The Ø in ØMQ Zero Broker

11. The Ø in ØMQ Zero Broker Zero Latency (as close as possible...)

12. The Ø in ØMQ Zero Broker Zero Latency (as close as possible...) Zero administration

13. The Ø in ØMQ Zero Broker Zero Latency (as close as possible...) Zero administration Zero cost

14. The Ø in ØMQ Zero Broker Zero Latency (as close as possible...) Zero administration Zero cost Zero waste

15. Sockets

16. Sockets Unicast transports (inproc, ipc, tcp)

17. Sockets Unicast transports (inproc, ipc, tcp) Multicast transports (pgm or epgm)

18. Sockets Unicast transports (inproc, ipc, tcp) Multicast transports (pgm or epgm) connect() and bind() are independent

19. Sockets Unicast transports (inproc, ipc, tcp) Multicast transports (pgm or epgm) connect() and bind() are independent They are asynchronous (with queues)

20. Sockets Unicast transports (inproc, ipc, tcp) Multicast transports (pgm or epgm) connect() and bind() are independent They are asynchronous (with queues) They express a certain "messaging pattern"

21. Sockets Unicast transports (inproc, ipc, tcp) Multicast transports (pgm or epgm) connect() and bind() are independent They are asynchronous (with queues) They express a certain "messaging pattern" They are not necessarily one-to-one

22. ...and, of course... Cross Platform (Linux, Windows, Mac, etc...) Multiple Languages (c, c++, python, java, ruby, erlang, php, perl, ada, c#, lua, scala, objective-c, go, haskell, racket, cl, basic...) OpenSource

23. if you have a laptop... http://www.zeromq.org/ http://zguide.zeromq.org/

24. Basic Message Patterns

26. Server

27. Client

28. Demo

29. Basic Message Patterns

31. Server

32. Client

33. Demo

34. Publisher Subscriber The PUB-SUB socket pair is asynchronous when you use a SUB socket you must set a subscription using zmq_setsockopt and SUBSCRIBE "slow joiner" symptom

35. Basic Message Patterns

38. Ventilator

39. Worker

40. Sink

41. Demo

42. Workers Always synchronize the start of the batch The ventilator's PUSH socket distributes tasks to workers (load balancing) The sink's PULL socket collects results from workers evenly (fair-queuing)

43. Fair-Queuing

44. Basic Message Patterns

45. Send messages back

48. Demo

49. Allowed Patterns PUB and SUB DEALER and DEALER REQ and REP ROUTER and ROUTER REQ and ROUTER PUSH and PULL DEALER and REP PAIR and PAIR DEALER and ROUTER

50. Scalability

51. Scalability

52. Scalability

53. Scalability

54. A Publish-Subscribe Proxy

56. Built-in Devices QUEUE (request-reply broker.) FORWARDER (pub-sub proxy server) STREAMER (like FORWARDER but for pipeline ﬂows)

58. Dynamic Scalability...

59. Dynamic Scalability... SCA LOW LAB ILI !!!! TY

60. Dynamic Scalability...

61. ØMQ : Sockets = Python : C++