neoq
draw.io
neoq | draw.io | |
---|---|---|
5 | 131 | |
244 | 38,814 | |
- | 1.4% | |
8.3 | 8.5 | |
19 days ago | 8 days ago | |
Go | JavaScript | |
MIT License | Apache License 2.0 |
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neoq
- Show HN: Hatchet – Open-source distributed task queue
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Choose Postgres Queue Technology
I just want to commend OP - if they’re here - for choosing an int64 for job IDs, and MD5 for hashing the payload in Neoq, the job library linked [0] from the article.
Especially given the emphasis on YAGNI, you don’t need a UUID primary key, and all of its problems they bring for B+trees (that thing RDBMS is built on), nor do you need the collision resistance of SHA256 - the odds of you creating a dupe job hash with MD5 are vanishingly small.
As to the actual topic, it’s fine IFF you carefully monitor for accumulating dead tuples, and adjust auto-vacuum for that table as necessary. While not something you’d run into at the start, at a modest scale you may start to see issues. May. You may also opt to switch to Redis or something else before that point anyway.
[0]: https://github.com/acaloiaro/neoq
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Ask HN: Tell us about your project that's not done yet but you want feedback on
Neoq (https://github.com/acaloiaro/neoq) is a background job processor for Go.
Yes, another one. It began from my desire to have a robust Postgres-backed job processor. What I quickly realized was that the interface in front of the queue was what was really important. This allowed me to add both in-memory and Redis (provided by asynq) backends behind the same interface. Which allows dependent projects to switch between different backends in different settings/durable requirements. E.g. in-memory for testing/development, postgres when you're not running Google-scale jobs, and Redis for all the obvious use cases for a Redis-backed queue.
This allows me to swap out job queue backends without changing a line of job processor code.
I'm familiar with the theory that one shouldn't implement queues on Postgres, and to a large extent, I disagree with those theories. I'm confident you can point out a scenario in which one shouldn't, and I contend that those scenarios are the exception rather than the rule.
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Examples of using task scheduler with Go?
I created a background processor called Neoq (https://github.com/acaloiaro/neoq) that is likely to interest you.
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SQL Maxis: Why We Ditched RabbitMQ and Replaced It with a Postgres Queue
This is exactly the thesis behind neoq: https://github.com/acaloiaro/neoq
draw.io
- Open-Source Lucidchart Alternative
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Show HN: Open source database diagram editor
At first I thought this was drawio: https://www.drawio.com/ with which you can generate a schema diagram from SQL. Is this the other way around.
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Monodraw
For anyone who is willing to use a webapp, I like drawio[0]. You can download locally[1] and self host (I just use the python webserver).
While finding the Github, I see they now actually package an Electron application, so that is probably worth exploring[2].
[0] https://www.drawio.com/
[1] https://github.com/jgraph/drawio
[2] https://github.com/jgraph/drawio-desktop
- Diagramming software for Linux, Windows, Browser – open-source
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Are there any good FREE flowchart makers?
draw.io works nicely for flowcharts and other types of diagrams.
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Is a fully open-source draw.io possible?
:
The source code authored by us in this repo is
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Mastering Diagrams: A Professional Approach to Enhancing Visuals with ChatGPT and Mermaid
Another way that you can leverage the power of ChatGPT and mermaid is when you are using a software designing tool such as Draw.io and you want to skip the tedious task of creating a diagram from scratch and want to get a push at the begging and save your time for the creative part of the diagram.
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Ask HN: Tell us about your project that's not done yet but you want feedback on
There are also mockups with more features, so ignore weird UI at first.
[1]: https://www.drawio.com
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Draw.io
> Additional minified JavaScript files and Java libraries are used in this project. All of the licenses are deemed compatible with the Apache 2.0, nothing is GPL or AGPL, due dilgence is performed on all third-party code.
Here's an issue that was opened:
https://github.com/jgraph/drawio/issues/3782
> The file for converting the mermaid code to mxgaph xml is available only in minified version. the unminified version "mermaid2drawio.js" is missing. Please include that.
Answer:
> We do not supply the source to that file.
With such phrasing, for now, I'll consider drawio proprietary with some parts in Apache 2 (even if it's actually the majority of the code).
It might be possible to have a fork with some optional features related to these non provided files removed, if by luck no critical feature is impacted.
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Do you use an external game visual flow tool for planning purposes? If so, what is it and why do you like it?
Specifically I've been working on an incremental game and I've been using https://www.drawio.com/ to help me plan out what I want the progression of features/unlocks to be as the player progresses through the game, what pre-requirements/events are for each feature/unlock, etc.
What are some alternatives?
starqueue
excalidraw - Virtual whiteboard for sketching hand-drawn like diagrams
oban - 💎 Robust job processing in Elixir, backed by modern PostgreSQL and SQLite3
mermaid - Generation of diagrams like flowcharts or sequence diagrams from text in a similar manner as markdown
tembo - Monorepo for Tembo Operator, Tembo Stacks, and Tembo CLI
GoJS, a JavaScript Library for HTML Diagrams - JavaScript diagramming library for interactive flowcharts, org charts, design tools, planning tools, visual languages.
Asynq - Simple, reliable, and efficient distributed task queue in Go
plantuml - Generate diagrams from textual description
pgtt - PostgreSQL extension to create, manage and use Oracle-style Global Temporary Tables and the others RDBMS
drawio-desktop - Official electron build of draw.io
pgjobq - Atomic low latency job queues running on Postgres
HackMD - CodiMD - Realtime collaborative markdown notes on all platforms.