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neon/test_runner/performance/pageserver/README.md
Tristan Partin 9794f386f4 Make Postgres 17 the default version (#11619) 
This is mostly a documentation update, but a few updates with regard to
neon_local, pageserver, and tests.

17 is our default for users in production, so dropping references to 16
makes sense.

Signed-off-by: Tristan Partin <tristan@neon.tech>

Signed-off-by: Tristan Partin <tristan@neon.tech>
2025-04-16 23:23:37 +00:00

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How to reproduce benchmark results / run these benchmarks interactively.

  1. Get an EC2 instance with Instance Store. Use the same instance type as used for the benchmark run.
  2. Mount the Instance Store => neon.git/scripts/ps_ec2_setup_instance_store
  3. Use a pytest command line (see other READMEs further up in the pytest hierarchy).

For tests that take a long time to set up / consume a lot of storage space, we use the test suite's repo_dir snapshotting functionality (from_repo_dir). It supports mounting snapshots using overlayfs, which improves iteration time.

Here's a full command line.

RUST_BACKTRACE=1 NEON_ENV_BUILDER_USE_OVERLAYFS_FOR_SNAPSHOTS=1 DEFAULT_PG_VERSION=17 BUILD_TYPE=release \
    ./scripts/pytest test_runner/performance/pageserver/pagebench/test_pageserver_max_throughput_getpage_at_latest_lsn.py