An application for running safe, online schema migrations on MySQL databases with a web UI and shard support.
Shift is an application that automates and manages online schema migrations for MySQL databases. It solves the problem of time-consuming manual migrations by providing a safe, scalable platform that uses pt-online-schema-change to execute DDL operations without downtime. The tool includes a web UI for tracking and running migrations, supporting self-service workflows and sharded databases.
Database administrators, operations teams, and developers at organizations where MySQL schema migrations are frequent and time-consuming, particularly those managing large-scale or sharded databases.
Developers choose Shift for its reliability, ease of use, and scalability—it leverages the trusted pt-online-schema-change tool, offers a intuitive UI for migration management, and handles high-volume or long-running migrations efficiently, reducing operational overhead.
shift is an application that helps you run schema migrations on MySQL databases
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Uses pt-online-schema-change to execute ALTER, CREATE, and DROP TABLE operations without downtime, ensuring reliable DDL as highlighted in the README.
Provides a web interface for filing, tracking, and running migrations with a single click, offering clear visibility into status, as shown in the screenshots.
Capable of handling hundreds of migrations daily and even week-long migrations, demonstrating robustness for high-volume workloads, as noted in the description.
Allows any user to file and run migrations out of the box with configurable admin approval, reducing operational bottlenecks per the features list.
Exclusively designed for MySQL databases, making it unsuitable for multi-database environments or projects using other systems.
Requires setting up multiple components (UI, runner, patch) and patching pt-online-schema-change, which can be time-consuming and error-prone, as indicated by the separate installation guide.
Heavily relies on the percona toolkit's pt-online-schema-change, introducing potential compatibility, licensing, or maintenance issues not controlled by Shift.