Migrating: Advanced Migrations

How can Gh-ost be used with both sharded & unsharded keyspaces?
You can view the Vschema or the topology server to determine the location of each keyspace. However, we recommend that instead you use the steps outlined he...
Fri, Dec 18, 2020 at 9:51 AM
What is Gh-ost and how does it work?
Gh-ost is a trigger-less online schema migration solution for MySQL. It functions similarly to other existing online-schema-change tools that create a ghost...
Mon, Nov 2, 2020 at 1:28 PM
What is Vstream and how does it work?
VStream is a change notification service accessible via VTGate. The purpose of VStream is to provide equivalent information to the MySQL binary logs from th...
Mon, Nov 2, 2020 at 1:29 PM
How do I migrate to Vitess from a hosted MySQL?
If you are running a hosted MySQL like RDS on AWS, CloudSQL on GCP, or Azure managed MySQL, because you are not coming from MySQL you have to use either the...
Fri, Dec 18, 2020 at 9:53 AM
Can online migrations be done while using LegacySplit?
Yes, as the migration steps are still the same. LegacySplit is just a different way of copying data that works when text columns are the primary key.
Fri, Dec 18, 2020 at 9:54 AM