How Instagram Reels manages reliability | Jack Li (Instagram, Shopify)
Engineering Enablement by Abi Noda
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What Is a Merge Queue?
The merge queue was something we built at Shopify to kind of scale our release process there. The way it works is instead of going ahead and merging to master before we do our release, we basically try to push the merge step as late as possible. It allows us to release things faster by queuing up changes and making sure reduce idle time. But it also gives us a lot of safety because we can ensure that we have extra coverage so that when things do end up in master and ship to production, they're in the best state that we can guarantee them to be at that point in time.
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