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# Public talks

## Hydra 2022 {#hydra-2022}

* Subject: Parallel Asynchronous Replication between YDB Database Instances.

  * [About the event](https://hydraconf.com/).
  * [Presentation](https://squidex.jugru.team/api/assets/srm/acbeabc7-56f1-4234-9e97-0e66c33be4ce/hydra-2022-fomichev-nizametdinov-1-.pdf).
  * Description: In this talk we present an approach to asynchronous replication in YDB that provides the following characteristics: changefeed from source database is sharded among multiple persistent queues, sharded changefeed is applied to the target database in a manner to guarantee target database consistency.