mats3
Vale
mats3 | Vale | |
---|---|---|
20 | 64 | |
59 | 1,677 | |
- | 1.9% | |
8.7 | 6.8 | |
6 days ago | about 2 months ago | |
Java | Scala | |
GNU General Public License v3.0 or later | Apache License 2.0 |
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mats3
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Flawless – Durable execution engine for Rust
The “restart from where it failed”-aspect was a big reason for why I made Mats3. It is message-based, async, transactional, staged stateless services, or message-oriented asynchronous RPC. Due to the transactionality, and the “state lives on the wire”, if a flow fails, it can be restarted from where it left off.
https://mats3.io
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A Modern High-Performance Open Source Message Queuing System
I am truly finding it hard to explain it. I have tried along a dozen angles. I actually think it is a completely new concept - and that might be the problem.
There is an illustration on the front-page: https://mats3.io/
Here's a set of small answers to "What is Mats?": https://github.com/centiservice/mats3/blob/main/README.md#wh...
Here's a way to code up Mats3 endpoints using JBang and a small toolkit which makes it extremely simple to explore the ideas: https://github.com/centiservice/mats3/blob/main/README.md#wh...
If you read these and then get it, I would be extremely happy if you gave me a sentence or paragraph that would have led you to understanding faster!
The use of JMS is just a transport. I could really have used anything, incl. any MQ, or ZeroMQ, or plain TCP - or just a shared table in a database.
Wrt. WebSockets, that is a transport typically between a server, and a end-user client, e.g. an iOS App. Actually, there's also a "sister project", MatsSockets, that bring the utter async-ness of Mats3 all the way out to the client, e.g. a webpage or an app. https://matssocket.io/
NATS is just a message queue, with some ability to orchestrate. I do not like this concept of orchestration as an external service, that is one of the founding ideas of Mats3: Do the orchestration within each service, as you would do if you employed REST as the ISC mechanism.
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JBang + Spring + Mats3: Setting up a multi-stage Async Messaging-based Endpoint in very few lines
Read more about mats3 here: https://mats3.io/
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Where is the "router"? on the client or MOM side?
I've made a Java library to facilitate the latter. https://mats3.io/ - you can start reading here: https://mats3.io/docs/message-oriented-rpc/, or test out some code right away, using JBang, here: https://mats3.io/explore/jbang-mats/
- Messaging with a call stack: Async inter-service "RPC" with arbitrary call depth featuring "local variables" on a stack.
- A detailed comparison of REST and gRPC | Kreya
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Mats3 with JBang: An exploration of Message-Oriented Async RPC with self-contained java programs
I have explained about this on the frontpage of Mats3: https://mats3.io/, and more in-depth in the first step of the "Walkthrough": https://mats3.io/docs/message-oriented-rpc/ - and even more into it at "Rationale for Mats", here: https://mats3.io/background/rationale-for-mats/
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JBang and Mats3: Explore Mats3 Message-Oriented Async RPC with JBang “Java Exec”
JBang’s tagline: “Lets Students, Educators and Professional Developers create, edit and run self-contained source-only Java programs with unprecedented ease.”
Mats3’s tagline: “Message-Oriented Async RPC. Message-based Interservice Communication made easy! Naturally resilient and highly available microservices, with great DevX and OpsX.”
JBang is a cool "execute single Java source file with dependencies" solution, which offers a simple way to test new libraries. The article tries to showcase Mats3's core concepts through a series of JBang scripts.
To streamline the process, a small library called 'MatsJbangKit' has been developed, which not only takes care of pulling up the Mats infrastructure but also depends on all the necessary dependencies. This means users only need to reference this single library in their JBang scripts. The aim is to pique curiosity and inspire further exploration of Mats3 and its potential.
If you like it, a star on Github would be much appreciated: https://github.com/centiservice/mats3
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Why messaging is much better than REST for inter-microservice communications
This is a "tack on"-tool to the otherwise fully async nature of Mats/messaging.
> For this to really work well, the message passing has to be integrated with the CPU dispatcher
It sounds like you are 100% set on speed. This is not really what Mats is after - it is meant as a inter-service communcation system, and IO will be your limiting factor at any rate. Mats sacrifices a bit of speed for developer ergonomics - the idea is that by easily enabling fully async development of ISC in a complex microservice system, you gain back that potential loss from a) actually being able to use fully async processing (!), and b) the inherent speed of messaging (it is at least as fast as HTTP, and you avoid the overhead of HTTP headers etc.
It is mentioned here, "What Mats is not": https://github.com/centiservice/mats3#what-mats-is-not
- Mats3: Message-Oriented Async Remote Procedure Calls
Vale
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Vala Programming Language
Not to be confused with Vale[0].
[0] https://vale.dev/
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Is Something Bugging You?
The article says they created a deterministic hypervisor that runs all pseudorandom behavior from a starting seed to enable perfect re-playability.
But that's all we know so far. I'm assuming there'll be some sort of fuzz testing, and static analysis or some defining actions that your software can perform.
Honestly it sounds a lot like it has a lot of crossover with what the Vale language is trying to solve: https://vale.dev/, but focused on trying to get existing software to that state instead of creating a new language to make new software already be at that state by default.
- Odin Programming Language
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D Programming Language
Why go through all the trouble when you can do this: https://www.hylo-lang.org/ and not spend a second thinking of lifetimes? No, copies will not be issued unless necessary.
Or why not keep exploring this idea as well? More research-oriented than the first one right now, though, so take it with a grain of salt: https://vale.dev/
- The Vale Programming Language
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Flawless – Durable execution engine for Rust
Another relevant language might be Vale (https://vale.dev), which is aiming for "perfect replayability": https://verdagon.dev/blog/perfect-replayability-prototyped
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Two Stories for "What Is CHERI?"
Interesting. Very low level though and C(++) centric. She there any thoughts on combining the hardware and OS features with rust or https://vale.dev ?
- Berry is a ultra-lightweight dynamically typed embedded scripting language
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I've heard that "Rust's borrow checker is necessary to ensure memory safety without a GC" usually also implying it's the only way, but I've done the same without the borrow checker. Am I just clueless/confused?
Use a runtime memory management solution that's cheaper than garbage collection (see Vale)
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Vale.sh – A Linter for Prose
This seems like a tool I'll be using, and this is an almost meaningless criticism, but why the name?
There's already the Vale programming language (https://vale.dev/), but moreover, I don't get the meaning of "vale". You could call it something like Englint which actually hints its purpose.
What are some alternatives?
blazingmq - A modern high-performance open source message queuing system
v - Simple, fast, safe, compiled language for developing maintainable software. Compiles itself in <1s with zero library dependencies. Supports automatic C => V translation. https://vlang.io
OpenMAMA - OpenMAMA is an open source project that provides a high performance middleware agnostic messaging API that interfaces with a variety of proprietary and open source message oriented middleware systems.
Odin - Odin Programming Language
cadence - Cadence is a distributed, scalable, durable, and highly available orchestration engine to execute asynchronous long-running business logic in a scalable and resilient way.
Beef - Beef Programming Language
ntf-core - Sockets, timers, resolvers, events, reactors, proactors, and thread pools for asynchronous network programming
awesome-low-level-programming-languages - A curated list of low level programming languages (i.e. suitable for OS and game programming)
mosquitto - Eclipse Mosquitto - An open source MQTT broker
carbon-lang - Carbon Language's main repository: documents, design, implementation, and related tools. (NOTE: Carbon Language is experimental; see README)
ZeroMQ - ZeroMQ core engine in C++, implements ZMTP/3.1
awesome-programming-languages - The list of an awesome programming languages that you might be interested in