Faster Rails: Indexing Large Database Tables Without Downtime - Semaphore

Chief Architect at Semaphore. A decade of experience in dev productivity, helping close to 50,000 organizations with operational excellence. This article is part of our Faster Rails series. Check out the previous article about proper database indexing. As the scope and size of a Rails project grows, actions that were blazingly fast can become slow, and even downright unacceptable. The cause behind

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『ダウンタイムなしでデータベースの巨大なテーブルにインデックスを付ける』