Hi all, I’m building a self-service tool that lets users see usage data for their own bucket (total size, file counts, per-subdirectory breakdown). I’ve tried querying the VAST Catalog a few different ways — vast-db-cli, Trino, and the Python SDK — and on our ~4PB cluster I’m struggling to do this …

Hi @idogross2 , In the short term I can offer some guidance around querying with the SDK and Trino. I prefer the SDK but the guidance is the same, as well as the questions. In order: basic querying at-scale I like to do with the SDK, but you do need to make sure your session includes several IP ad…

Best practices for querying VAST Catalog on a very large (4PB+) cluster

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ram April 13, 2026, 8:14pm 2

@idogross2 thanks for posting, will have the team take a look and circle back with more details.

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Best practices for querying VAST Catalog on a very large (4PB+) cluster

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