In this blog post on Percona Live 2018 sessions, we’ll talk with Shuhoa Wu, Software Developer for Shopify, Inc. about how Ghostferry is the Swiss Army knife of live data migrations.
Existing tools like mysqldump and replication cannot migrate data between GTID-enabled MySQL and non-GTID-enabled MySQL – a common configuration across multiple cloud providers that cannot be changed. These tools are also cumbersome to operate and error-prone, thus requiring a DBA’s attention for each data migration. Shopify’s team introduced a tool that allows for easy migration of data between MySQL databases with constant downtime on the order of seconds.
Inspired by gh-ost, their tool is named Ghostferry and allows application developers at Shopify to migrate data without assistance …[Read more]