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Vitess is a database clustering system for horizontal scaling of MySQL
through generalized sharding.

By encapsulating shard-routing logic, Vitess allows application code and
database queries to remain agnostic to the distribution of data onto
multiple shards. With Vitess, you can even split and merge shards as your needs
grow, with an atomic cutover step that takes only a few seconds.

Vitess has been a core component of YouTube's database infrastructure
since 2011, and has grown to encompass tens of thousands of MySQL nodes.

For more about Vitess, please visit

Vitess has a growing community. You can view the list of adopters


Ask questions in the
discussion forum.

For topics that are better discussed live, please join the
Vitess Slack workspace.

Subscribe to
or the Vitess Blog
for low-frequency updates like new features and releases.


Unless otherwise noted, the Vitess source files are distributed
under the Apache Version 2.0 license found in the LICENSE file.

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