Online schema change is a critical technique for modifying database structures without downtime, ensuring uninterrupted application performance. For database professionals, it is essential for handling schema alterations in production environments without service disruptions.
This process involves tools like pt-online-schema-change and gh-ost, which allow efficient schema modifications while maintaining data integrity. It is particularly useful for large-scale databases requiring continuous availability.
Common challenges include replication lag, locking issues, and performance overhead. The blogs under this tag provide insights into best practices and solutions to these issues.
Explore our in-depth guides on MyDBOPS to master online schema changes efficiently!
