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High-availability database cluster with arbitration

04.10.2021 1 minute 91

We are committed to the continuous development of our PaaS service to improve user experience.

High-availability database cluster with an arbitrator

Now, CROC Cloud supports a database cluster with an arbitrator so that you can save resources when deploying a high-availability cluster.

To ensure high-availability, three full-fledged nodes are redundant, however a third node is required for a quorum to be feasible in case of failure. The instance running the cluster arbitrator does not store or process data, so it needs a minimum of resources.

Clusters with an arbitrator are available for MySQL and PostgreSQL databases. To enable the option, check the “Use arbitrator” box at the instance setup step when creating a database cluster.

More about the cluster arbitrator in the documentation.

Faster database cluster deployment

We optimized the boot image for the database service, so the database cluster is now created up to 1 minute faster (the exact deployment time depends on the specific node configuration).


Mentioned services

  1. CROC Public Cloud

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