We’ve all heard the phrase “Rails doesn’t scale”. Long running test suites and no standard for implementing multiple databases makes it hard scale monolithic Rails applications. Rails 6 will start making Rails scalable by default with parallel testing and improved support for using multiple databases. You’ll no longer be forced to reinvent the wheel and create your own solution to these problems. In this talk we’ll take a look why these improvements are important, how they work, and ways in which small ideas can quickly snowball into major changes. This is just the beginning of Rails 6.
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