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https://edgeguides.rubyonrails.org/active_record_multiple_databases.html
Rails now has support for multiple databases so you don't have to store your data all in one place. At this time the following features are supported: Multiple primary databases and a replica for each Automatic connection switching for the model you're working with
http://www.ostinelli.net/setting-multiple-databases-rails-definitive-guide/
Dec 02, 2015 · We have to do this since, unfortunately, Rails support for multiple databases isn’t that great, hence we need to provide minor hacks to make everything work. For this reason we have to set specific environment and configuration variables to custom values which match our Stats database before we run the “proxy” tasks, and then ensure that the original values are set back once those …
https://stackoverflow.com/questions/56264875/how-to-support-multiple-databases-postgresql-with-sidekiq-server-for-the-same
I want it to support database configurations dynamically. Basically, I am using multiple databases in my project depending on the sub domains. There, I am using same project but using multiple databases dynamically. So, I am looking for some ability that may allow using multiple sidekiq instances for different databases.
https://tomayko.com/blog/2007/rails-multiple-connections
Rails and Scaling with Multiple Databases. April 12, 2007. Joe points out the following from this interview with Twitter’s Alex Payne:. The problem is that more instances of Rails (running as part of a Mongrel cluster, in our case) means more requests to your database.
https://edgeguides.rubyonrails.org/6_0_release_notes.html
Add multiple database support for rails db:migrate:status command. (Pull Request) Add ability to use different migration paths from multiple databases in the generators. (Pull Request) Add support for multi environment credentials. (Pull Request) Make null_store as default cache store in test environment.
https://github.com/rails/rails/commit/8574c3e4fa6d13193bd0e98205b7e75ee6ee6543
Rails now has support for multiple databases so you don't have to store your data all in one place. At this time the following features are supported: * Multiple primary databases and a replica for each
https://weblog.rubyonrails.org/2019/8/15/Rails-6-0-final-release/
Aug 15, 2019 · The new multiple database support makes it easy for a single application to connect to, well, multiple databases at the same time! You can either do this because you want to segment certain records into their own databases for scaling or isolation, or because you’re doing read/write splitting with replica databases for performance.
https://github.com/rails/rails/pull/34052
Oct 10, 2018 · This PR implements the basic API requirements laid out in #33877 by DHH. The PR aims to focus only on implementing the connects_to and connected_to API. For now it does not tackle any configuration changes (we can hash that out in future PRs). If this API is acceptable I will add tests. cc/ @dhh @matthewd @rafaelfranca @tenderlove This PR adds the ability to 1) connect to multiple databases …
https://guides.rubyonrails.org/v2.3/getting_started.html
3.3.1 Configuring a SQLite Database. Rails comes with built-in support for SQLite, which is a lightweight serverless database application. While a busy production environment may overload SQLite, it works well for development and testing. Rails defaults to using a SQLite database when creating a new project, but you can always change it later.
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