FUN (AND PROFIT) WITH ZFS AND POSTGRES

ZFS is a filesystem, originally developed for Solaris, that finally brings advanced filesystem features (compression, snapshots, and checksums, among others) to Linux.

I selected the ZFS-on-Linux port as the key component of an internal tool created with the purpose of better supporting the team in all those scenarios where a replica of the production Postgres database might be required: testing query optimizations, database migrations, etc.

While it was a lot of fun for me to work on it, the tool proved, most importantly, to be extremely useful to the whole team.

The presentation dives into the technical details of the tool, introduces ZFS key features, why one would want to use it, and then explores some other interesting ZFS use cases.

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