litequeue
good_job
litequeue | good_job | |
---|---|---|
3 | 36 | |
138 | 2,453 | |
3.6% | - | |
7.4 | 9.3 | |
about 2 months ago | 8 days ago | |
Python | Ruby | |
MIT License | MIT License |
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litequeue
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Choose Postgres Queue Technology
To make sure you that the message you are trying to retrieve hasn't been locked already by another worker.
[0]: https://github.com/litements/litequeue/
[1]: https://github.com/litements/litequeue/blob/3fece7aa9e9a31e4...
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SQL Maxis: Why We Ditched RabbitMQ and Replaced It with a Postgres Queue
SQLite is missing some features like `SELECT FOR UPDATE`, but you can work around some issues with a few extra queries. I wrote litequeue[0] with this specific purpose. I haven't been able to use it a lot, so I don't have real-world numbers of how it scales, but the scaling limits depend on how fast you can insert into the database.
[0]: https://github.com/litements/litequeue
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What's New in SQLite 3.35
The `RETURNING` is so awesome! I'm implementing a set of data structures on top of SQLite, one of them is a queue[0], and I had to do a transaction to lock a message and then return it, but this makes it easier.
There's one little issue I keep finding with SQLite, and it's that most virtual servers / VM images ship with version 3.22.0, and upgrading often means building from source.
In any case, SQLite is absolutely wonderful. My favorite way of building products is having a folder for all the DBs that I mount to docker-compose. This release makes it even better.
[0] https://github.com/litements/litequeue
good_job
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solid_queue alternatives - Sidekiq and good_job
3 projects | 21 Apr 2024
This is the most direct competitor of good_job in my opinion.
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Tuning Rails application structure
Once we are done with default gems, should we look into something we usually use? That's jwt because we need session tokens for our API. Next comes our one and only sidekiq. For a long period of time it was the best in town solution for background jobs. Now we could also consider solid_queue or good_job. In development and testing groups we need rspec-rails, factory_bot_rails and ffaker. Dealing with money? Start doing it properly from the beginning! Do not forget to install money-rails. Once everything is added to the Gemfile do not forget to trigger bundle install.
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Postgres as Queue
In the world of Ruby, GoodJob [0] has been doing a _good job_ so far.
[0] - https://github.com/bensheldon/good_job
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Choose Postgres Queue Technology
For Rails apps, you can do this using the ActiveJob interface via
https://github.com/bensheldon/good_job
Had it in production for about a quarter and it’s worked well.
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Pg_later: Asynchronous Queries for Postgres
Idk about pgagent but any table is a resilient queue with the multiple locks available in pg along with some SELECT pg_advisory_lock or SELECT FOR UPDATE queries, and/or LISTEN/NOTIFY.
Several bg job libs are built around native locking functionality
> Relies upon Postgres integrity, session-level Advisory Locks to provide run-once safety and stay within the limits of schema.rb, and LISTEN/NOTIFY to reduce queuing latency.
https://github.com/bensheldon/good_job
> |> lock("FOR UPDATE SKIP LOCKED")
https://github.com/sorentwo/oban/blob/8acfe4dcfb3e55bbf233aa...
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Noticed Gem and ActionCable
The suggestion from /u/tofus is a good one. If you are already using redis as your ActionCable adapter I would use sidekiq. If not and you're using postgres I would consider https://github.com/bensheldon/good_job
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Introducing tobox: a transactional outbox framework
Probably worth mentioning that aside from delayed_job there are at least two more modern alternatives backed by the DB: Que and good_job.
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Sidekiq jobs in ActiveRecord transactions
Good article. Sidekiq is a good, well respected too. However if you are starting out I would recommend not using it, and instead choosing a DB based queue system. We have great success with que, but there are others like good_job.
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Mike Perham of Sidekiq: “If you build something valuable, charge money for it.”
Sidekiq Pro is great, we're paying for it! 10k a year I think.
But for people who are interested in alternatives, I'd also suggest Good Job (runs on Postgresql).
https://github.com/bensheldon/good_job
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SQL Maxis: Why We Ditched RabbitMQ and Replaced It with a Postgres Queue
I'm the GoodJob author. Here's the class that is responsible for implementing Postgres's LISTEN/NOTIFY functionality in GoodJob:
https://github.com/bensheldon/good_job/blob/10e9d9b714a668dc...
That's heavily inspired by Rail's Action Cable (websockets) Adapter for Postgres, which is a bit simpler and easier to understand:
https://github.com/rails/rails/blob/be287ac0d5000e667510faba...
Briefly, it spins up a background thread with a dedicated database connection and doings a blocking Postgres LISTEN query returns results, and then it forwards the result to other subscribing objects.
What are some alternatives?
datasette-dateutil - dateutil functions for Datasette
Sidekiq - Simple, efficient background processing for Ruby
pgjobq - Atomic low latency job queues running on Postgres
sidekiq-throttled - Concurrency and rate-limit throttling for Sidekiq
Bedrock - Rock solid distributed database specializing in active/active automatic failover and WAN replication
Que - A Ruby job queue that uses PostgreSQL's advisory locks for speed and reliability.
sqlite_modern_cpp - The C++14 wrapper around sqlite library
Delayed::Job - Database based asynchronous priority queue system -- Extracted from Shopify
litestream - Streaming replication for SQLite.
Resque - Resque is a Redis-backed Ruby library for creating background jobs, placing them on multiple queues, and processing them later.
starqueue
Sidekiq::Undertaker - Sidekiq::Undertaker allows exploring, reviving or burying dead jobs.