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Measure peak memory usage in perf test.

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Another useful metric to keep an eye on.
This commit is contained in:
Heikki Linnakangas
2021-10-07 18:03:20 +03:00
parent fdb19fdb92
commit db4059cd6d
3 changed files with 23 additions and 2 deletions
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4
test_runner/performance/test_bulk_insert.py
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@@ -25,6 +25,7 @@ def get_timeline_size(repo_dir: str, tenantid: str, timelineid: str):
# 1. Time to INSERT 5 million rows
# 2. Disk writes
# 3. Disk space used
# 4. Peak memory usage
#
def test_bulk_insert(postgres: PostgresFactory, pageserver: ZenithPageserver, pg_bin, zenith_cli, zenbenchmark, repo_dir: str):
# Create a branch for us
@@ -55,6 +56,9 @@ def test_bulk_insert(postgres: PostgresFactory, pageserver: ZenithPageserver, pg
# time and I/O
pscur.execute(f"do_gc {pageserver.initial_tenant} {timeline} 0")
# Record peak memory usage
zenbenchmark.record("peak_mem", zenbenchmark.get_peak_mem(pageserver) / 1024, 'MB')
# Report disk space used by the repository
timeline_size = get_timeline_size(repo_dir, pageserver.initial_tenant, timeline)
zenbenchmark.record('size', timeline_size / (1024*1024), 'MB')