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Sure. As we shared in the blog post it was tested (like other benchmarks) on dedicated EC2 instances using the freely available Community version.

This does not answer the question - is it Open Source License or Source Available (TSL) https://www.timescale.com/legal/licenses

the original article and the parent poster say that the community edition was used:

> Versions: TimescaleDB version 2.4.0, community edition, with PostgreSQL 13

and the link you posted explains that it's the non OSI license version:

> TimescaleDB Community is made available under the Timescale License ("TSL")

Tnx. I think this is another thing which worth to point out. We're having Open Source solution compared with non Open Source one.