Pagy
Sidekiq
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Pagy | Sidekiq | |
---|---|---|
10 | 89 | |
4,451 | 12,931 | |
- | 0.4% | |
9.5 | 8.9 | |
2 days ago | 4 days ago | |
Ruby | Ruby | |
MIT License | GNU Lesser General Public License v3.0 only |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Pagy
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Build Load More Pagination with Pagy and Rails Hotwire
Now, let's dive into the pagination part of this post: setting up Pagy for handling pagination in our Rails application. If you haven't included the Pagy gem in your project, you'll need to add it manually. Here's how you can do it:
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Pagination in Rails with Pagy gem
Several gems are available for pagination in Rails, but the Pagy gem is one of the most popular and efficient. It is a fast and lightweight library that provides a simple and flexible API. In this article, we’ll explore how to use it to implement pagination in Rails.
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Rux: A JSX-inspired way to render view components in Ruby
> Am I understanding correctly that there’s a significant difference in performance between using a ViewComponent + a partial vs. a ViewComponent which renders html via a tag - from inside the component?
I don't think there will be much difference at all in everyday use, but some libraries that value performance don't avoid templates for that reason, Pagy for example.
https://github.com/ddnexus/pagy
Personally I omit them in my projects whenever we want to customise attributes, I hate seeing stuff like this in templates:
Some header
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A powerful search feature with what Rails provides out of the box
The next step was about backporting the templates, adding Pagy gem for handling pagination and creating the controller. I was then able to show the listings with the models, but the filtering was not working.
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The Ultimate Search for Rails - Episode 1
On the backend, we'll need a few tools. Apart from the classics (ActiveRecord scopes and the pg_search gem), you’ll see how the (yet officially unreleased but production-tested) all_futures gem, built by SR authors, will act as an ideal ephemeral object to temporarily store our filter params and host our search logic. Finally, we’ll use pagy for pagination duties.
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My project: railstart app
Pagination
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Pagination and infinite scrolling with Rails and the Hotwire stack
In our application, we will use Pagy to implement pagination. Let’s install Pagy now, following along with the Pagy quick start guide.
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Load More Pagination in Rails with Hotwire Turbo Streams
For pagination I tend not to use gems like pagy or kaminari, instead implement this functionality just using limit and offset.
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Ten Ruby gems for Rails you should definitely know about
Kaminari hooks onto ActiveRecord associations and makes it super easy to page them. Pagy is another option that seems to have a solid API but I haven't tried it yet.
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Re-Wheel series part 1 - How does Rails' find_each work?
But how is this implemented? Well, if you use pagination in your index methods with gems like pagy, kaminari or will_paginate you will find that the same idea is happening here, they are using the power of SQL's LIMIT and OFFSET to fetch only a portion of the data each time. So in the 1 million users example, find_each will perform 1000 thousand queries with a limit of 1000 while changing the offset properly so we don't miss any record.
Sidekiq
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Redis Re-Implemented with SQLite
That depends on how the `maxmemory-policy` is configured, and queue systems based on Redis will tell you not to allow eviction. https://github.com/sidekiq/sidekiq/wiki/Using-Redis#memory (it even logs a warnings if it detects your Redis is misconfigured IIRC).
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3 one-person million dollar online businesses
Sidekiq https://sidekiq.org/: This one started as an open source project, once it got enough traction, the developer made a premium version of it, and makes money by selling licenses to businesses.
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Choose Postgres Queue Technology
Sidekiq will drop in-progress jobs when a worker crashes. Sidekiq Pro can recover those jobs but with a large delay. Sidekiq is excellent overall but it’s not suitable for processing critical jobs with a low latency guarantee.
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We built the fastest CI in the world. It failed
> I'm not sure feature withholding has traditionally worked out well in the developer space.
I think it's worked out well for Sidekiq (https://sidekiq.org). I really like their model of layering valuable features between the OSS / Pro / Enterprise licenses.
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Exploring concurrent rate limiters, mutexes, semaphores
I was studying Sidekiq's page on rate limiters. The first type of rate limiting mentioned is the concurrent limiter: only n tasks are allowed to run at any point in time. Note that this is independent of time units (e.g. per second), or how long they take to run. The only limitation is the number of concurrent tasks/requests.
- Ask HN: What are some of the most elegant codebases in your favorite language?
- Sidekiq and managing resumable jobs?
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Organize Business Logic in Your Ruby on Rails Application
The code above isn't idempotent. If you run it twice, it will create two copies, which is probably not what you intended. Why is this important? Because most backend job processors like Sidekiq don't make any guarantees that your jobs will run exactly once.
- How to mitigate being rate limited by a third party API?
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How to use Sidekiq in Rails 7: Background Jobs
In this blog, we'll explore how to use background jobs with Sidekiq in Rails 7 to handle long-running tasks, including:
What are some alternatives?
Kaminari - ⚡ A Scope & Engine based, clean, powerful, customizable and sophisticated paginator for Ruby webapps
Resque - Resque is a Redis-backed Ruby library for creating background jobs, placing them on multiple queues, and processing them later.
will_paginate - Pagination library for Rails and other Ruby applications
Sneakers - A fast background processing framework for Ruby and RabbitMQ
order_query - Find next / previous Active Record(s) in one query
Shoryuken - A super efficient Amazon SQS thread based message processor for Ruby
tailwindcss-rails
Sucker Punch - Sucker Punch is a Ruby asynchronous processing library using concurrent-ruby, heavily influenced by Sidekiq and girl_friday.
strong_migrations - Catch unsafe migrations in development
Apache Kafka - Mirror of Apache Kafka
money-rails - Integration of RubyMoney - Money with Rails
celery - Distributed Task Queue (development branch)