Files
neon/libs/pageserver_api
Christian Schwarz 2b041964b3 cover direct IO + concurrent IO in unit, regression & perf tests (#11585)
This mirrors the production config.

Thread that discusses the merits of this:
- https://neondb.slack.com/archives/C033RQ5SPDH/p1744742010740569

# Refs
- context
https://neondb.slack.com/archives/C04BLQ4LW7K/p1744724844844589?thread_ts=1744705831.014169&cid=C04BLQ4LW7K
- prep for https://github.com/neondatabase/neon/pull/11558 which adds
new io mode `direct-rw`

# Impact on CI turnaround time

Spot-checking impact on CI timings

- Baseline: [some recent main
commit](https://github.com/neondatabase/neon/actions/runs/14471549758/job/40587837475)
- Comparison: [this
commit](https://github.com/neondatabase/neon/actions/runs/14471945087/job/40589613274)
in this PR here

Impact on CI turnaround time

- Regression tests:
  - x64: very minor, sometimes better; likely in the noise
  - arm64: substantial  30min => 40min
- Benchmarks (x86 only I think): very minor; noise seems higher than
regress tests

---------

Signed-off-by: Alex Chi Z <chi@neon.tech>
Co-authored-by: Alex Chi Z. <4198311+skyzh@users.noreply.github.com>
Co-authored-by: Peter Bendel <peterbendel@neon.tech>
Co-authored-by: Alex Chi Z <chi@neon.tech>
2025-04-17 15:53:10 +00:00
..