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neon/test_runner/performance/test_startup.py
2022-08-22 14:57:09 +01:00

52 lines
1.6 KiB
Python

from contextlib import closing
import pytest
from fixtures.benchmark_fixture import NeonBenchmarker
from fixtures.neon_fixtures import NeonEnvBuilder
# This test sometimes runs for longer than the global 5 minute timeout.
@pytest.mark.timeout(600)
def test_startup(neon_env_builder: NeonEnvBuilder, zenbenchmark: NeonBenchmarker):
neon_env_builder.num_safekeepers = 3
env = neon_env_builder.init_start()
# Start
env.neon_cli.create_branch("test_startup")
with zenbenchmark.record_duration("startup_time"):
pg = env.postgres.create_start("test_startup")
pg.safe_psql("select 1;")
# Restart
pg.stop_and_destroy()
with zenbenchmark.record_duration("restart_time"):
pg.create_start("test_startup")
pg.safe_psql("select 1;")
# Fill up
num_rows = 1000000 # 30 MB
num_tables = 100
with closing(pg.connect()) as conn:
with conn.cursor() as cur:
for i in range(num_tables):
cur.execute(f"create table t_{i} (i integer);")
cur.execute(f"insert into t_{i} values (generate_series(1,{num_rows}));")
# Read
with zenbenchmark.record_duration("read_time"):
pg.safe_psql("select * from t_0;")
# Read again
with zenbenchmark.record_duration("second_read_time"):
pg.safe_psql("select * from t_0;")
# Restart
pg.stop_and_destroy()
with zenbenchmark.record_duration("restart_with_data"):
pg.create_start("test_startup")
pg.safe_psql("select 1;")
# Read
with zenbenchmark.record_duration("read_after_restart"):
pg.safe_psql("select * from t_0;")