Citus Blog

ZFS is a open source file system with the option to store data on disk in a compressed form. Itself ZFS supports a number of compression algorithms, giving you flexibility to optimize both performance and how much you store on disk. Compressing your data on disk offers two pretty straightforward advantages:

1. Reduce the amount of storage you need—thus reducing costs
2. When reading from disk, requires less data to be scanned, improving performance

To date, we have run Citus Cloud—our fully-managed database as a service that scales out Postgres horizontally—in production on EXT4. Today, we're excited to announce a limited beta program of ZFS support for our Citus Cloud database. ZFS makes Citus Cloud even more powerful for certain use cases. If you are interested in access to the beta contact us to get more info, or continue reading to learn more about the use cases where ZFS and Citus and Postgres can help.

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“Does PostgreSQL support compression?” is a common question we get from our customers, and it’s easy to see why they’re asking. Many of them generate and collect large volumes of log and event stream data and store it in text formats such as JSON or...

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