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Added sssert that performanceis imporved for test_lfc_async_prefetch_performance

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Konstantin Knizhnik
2025-05-09 08:55:05 +03:00
parent 8b8e5f9e32
commit 9325a3a8a0
1 changed files with 9 additions and 0 deletions
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9
test_runner/performance/test_lfc_prefetch.py
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@@ -3,6 +3,7 @@ from __future__ import annotations
import random
import threading
import time
import timeit
from typing import TYPE_CHECKING
import pytest
@@ -126,6 +127,7 @@ def test_lfc_async_prefetch_performance(neon_simple_env: NeonEnv, zenbenchmark):
cur.execute(f"insert into account values (generate_series(1,{n_records}))")
cur.execute("vacuum account")
start = timeit.default_timer()
with zenbenchmark.record_duration("do_not_store_prefetch_results"):
cur.execute("set neon.store_prefetch_result_in_lfc=off")
for _ in range(n_iterations):
@@ -135,7 +137,10 @@ def test_lfc_async_prefetch_performance(neon_simple_env: NeonEnv, zenbenchmark):
cur.execute(
"select sum(balance) from (select balance from account where id between 6000 and 7000 limit 100) s"
)
end = timeit.default_timer()
do_not_store_prefetch_results_duration = end - start
start = timeit.default_timer()
with zenbenchmark.record_duration("store_prefetch_results"):
cur.execute("set neon.store_prefetch_result_in_lfc=on")
for _ in range(n_iterations):
@@ -145,3 +150,7 @@ def test_lfc_async_prefetch_performance(neon_simple_env: NeonEnv, zenbenchmark):
cur.execute(
"select sum(balance) from (select balance from account where id between 6000 and 7000 limit 100) s"
)
end = timeit.default_timer()
store_prefetch_results_duration = end - start
assert do_not_store_prefetch_results_duration >= store_prefetch_results_duration