mgibowski
Hi, if you have a test suite with many DB tests that use PostgreSQL, we would like to hear about the impact on suite execution with this feature.
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LostKobrakai
This came up a few weeks back on twitter, but initial experiments didn‘t seems to provide any tangible speedups. I would expect that‘s because with the ecto sandbox most writes are never committed in the first place with ecto.
mgibowski
Somebody reported some good results:
https://x.com/nelsonmestevao/status/1741097876564984299?s=20
I tried using unlogged tables some time ago on a project I no longer have access to. It had around 400 tests, and the improvement was about 10% / 1.5 seconds.
I tried that branch yesterday on changelog.org and the hexpm codebases, and I cannot tell there is any improvement. Test execution times are sometimes faster and sometimes slower.
LostKobrakai
I ran it at the time on a ~900 tests project of mine and had similar results.