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Adopt test_lfc_prefetch to pg17

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This commit is contained in:
Konstantin Knizhnik
2025-04-07 09:23:06 +03:00
parent f45c2121cf
commit 7bde51f193
1 changed files with 7 additions and 6 deletions
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13
test_runner/performance/test_lfc_prefetch.py
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@@ -10,7 +10,7 @@ from fixtures.neon_fixtures import NeonEnv
from fixtures.utils import USE_LFC
@pytest.mark.timeout(1000)
@pytest.mark.timeout(10000)
@pytest.mark.parametrize("n_readers", [1, 2, 4, 8])
@pytest.mark.parametrize("n_writers", [0, 1, 2, 4, 8])
@pytest.mark.skipif(not USE_LFC, reason="LFC is disabled, skipping")
@@ -22,19 +22,20 @@ def test_lfc_prefetch(neon_simple_env: NeonEnv, n_readers: int, n_writers: int):
endpoint = env.endpoints.create_start(
"main",
config_lines=[
"neon.max_file_cache_size=10MB",
"neon.file_cache_size_limit=10MB",
"neon.max_file_cache_size=100MB",
"neon.file_cache_size_limit=100MB",
"effective_io_concurrency=100",
"shared_buffers=1MB",
"shared_buffers=128MB",
"enable_bitmapscan=off",
"enable_seqscan=off",
"autovacuum=off",
"statement_timeout=0",
"io_combine_limit=1",
"neon.store_prefetch_result_in_lfc=on",
],
)
n_records = 10000 # 80Mb table
top_n = n_records // 4 # 20Mb - should be larger than LFC size
n_records = 100000 # 800Mb table
top_n = n_records // 4 # 200Mb - should be larger than LFC size
test_time = 100.0 # seconds
conn = endpoint.connect()