Re:Cash App migrated 400TB of data to PlanetScale's cloud
by prng2021 on Tuesday November 12, 2024 @08:51PM
(#42122106)
The article says they used a forked version of Vitess with customizations. What were they and how did you address that when migrating?
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Re:Cash App migrated 400TB of data to PlanetScale's cloud
by nickvanw on Tuesday November 12, 2024 @09:02PM
(#42122169)
Answering on behalf of PlanetScale (I'm the CTO!). I don't remember exactly what was different from upstream, but it wasn't a whole lot of changes.
Fortunately, PlanetScale runs a well-maintained fork ourselves, so we're very used to taking custom changes and getting them deployed. In this case, we asked the Block team for all of their changes and went through them one by one to see what was needed to pull into our fork.
By the time we did the migration, we made sure that any behavior wouldn't be different where it mattered.