Files
neon/scripts/benchmark_durations.py
2023-11-02 10:43:59 -04:00

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9.0 KiB
Python
Executable File

#! /usr/bin/env python3
import argparse
import json
import logging
from typing import Dict
import psycopg2
import psycopg2.extras
"""
The script fetches the durations of benchmarks from the database and stores it in a file compatible with pytest-split plugin.
"""
BENCHMARKS_DURATION_QUERY = """
SELECT
DISTINCT parent_suite, suite, name,
PERCENTILE_DISC(%s) WITHIN GROUP (ORDER BY duration) as percentile_ms
FROM results
WHERE
started_at > CURRENT_DATE - INTERVAL '%s' day
AND parent_suite = 'test_runner.performance'
AND status = 'passed'
GROUP BY
parent_suite, suite, name
;
"""
# For out benchmarks the default distibution for 4 worked produces pretty uneven chunks,
# the total duration varies from 8 to 40 minutes.
# We use some pre-collected durations as a fallback to have a better distribution.
FALLBACK_DURATION = {
"test_runner/performance/test_branch_creation.py::test_branch_creation_heavy_write[20]": 62.144,
"test_runner/performance/test_branch_creation.py::test_branch_creation_many[1024]": 90.941,
"test_runner/performance/test_branch_creation.py::test_branch_creation_many_relations": 26.053,
"test_runner/performance/test_branching.py::test_compare_child_and_root_pgbench_perf": 25.67,
"test_runner/performance/test_branching.py::test_compare_child_and_root_read_perf": 14.497,
"test_runner/performance/test_branching.py::test_compare_child_and_root_write_perf": 18.852,
"test_runner/performance/test_bulk_insert.py::test_bulk_insert[neon]": 26.572,
"test_runner/performance/test_bulk_insert.py::test_bulk_insert[vanilla]": 6.259,
"test_runner/performance/test_bulk_tenant_create.py::test_bulk_tenant_create[10]": 21.206,
"test_runner/performance/test_bulk_tenant_create.py::test_bulk_tenant_create[1]": 3.474,
"test_runner/performance/test_bulk_tenant_create.py::test_bulk_tenant_create[5]": 11.262,
"test_runner/performance/test_bulk_update.py::test_bulk_update[100]": 94.225,
"test_runner/performance/test_bulk_update.py::test_bulk_update[10]": 68.159,
"test_runner/performance/test_bulk_update.py::test_bulk_update[50]": 76.719,
"test_runner/performance/test_compaction.py::test_compaction": 110.222,
"test_runner/performance/test_compare_pg_stats.py::test_compare_pg_stats_ro_with_pgbench_select_only[neon-5-10-100]": 10.743,
"test_runner/performance/test_compare_pg_stats.py::test_compare_pg_stats_ro_with_pgbench_select_only[vanilla-5-10-100]": 16.541,
"test_runner/performance/test_compare_pg_stats.py::test_compare_pg_stats_rw_with_pgbench_default[neon-5-10-100]": 11.109,
"test_runner/performance/test_compare_pg_stats.py::test_compare_pg_stats_rw_with_pgbench_default[vanilla-5-10-100]": 18.121,
"test_runner/performance/test_compare_pg_stats.py::test_compare_pg_stats_wal_with_pgbench_default[neon-5-10-100]": 11.3,
"test_runner/performance/test_compare_pg_stats.py::test_compare_pg_stats_wal_with_pgbench_default[vanilla-5-10-100]": 16.086,
"test_runner/performance/test_compare_pg_stats.py::test_compare_pg_stats_wo_with_heavy_write[neon-10-10]": 12.024,
"test_runner/performance/test_compare_pg_stats.py::test_compare_pg_stats_wo_with_heavy_write[neon-10-1]": 11.14,
"test_runner/performance/test_compare_pg_stats.py::test_compare_pg_stats_wo_with_heavy_write[vanilla-10-10]": 10.375,
"test_runner/performance/test_compare_pg_stats.py::test_compare_pg_stats_wo_with_heavy_write[vanilla-10-1]": 10.075,
"test_runner/performance/test_compare_pg_stats.py::test_compare_pg_stats_wo_with_pgbench_simple_update[neon-5-10-100]": 11.147,
"test_runner/performance/test_compare_pg_stats.py::test_compare_pg_stats_wo_with_pgbench_simple_update[vanilla-5-10-100]": 16.321,
"test_runner/performance/test_copy.py::test_copy[neon]": 16.579,
"test_runner/performance/test_copy.py::test_copy[vanilla]": 10.094,
"test_runner/performance/test_gc_feedback.py::test_gc_feedback": 590.157,
"test_runner/performance/test_gist_build.py::test_gist_buffering_build[neon]": 14.102,
"test_runner/performance/test_gist_build.py::test_gist_buffering_build[vanilla]": 8.677,
"test_runner/performance/test_latency.py::test_measure_read_latency_heavy_write_workload[neon-1]": 31.079,
"test_runner/performance/test_latency.py::test_measure_read_latency_heavy_write_workload[vanilla-1]": 38.119,
"test_runner/performance/test_layer_map.py::test_layer_map": 24.784,
"test_runner/performance/test_logical_replication.py::test_logical_replication": 117.707,
"test_runner/performance/test_parallel_copy_to.py::test_parallel_copy_different_tables[neon]": 21.194,
"test_runner/performance/test_parallel_copy_to.py::test_parallel_copy_different_tables[vanilla]": 59.068,
"test_runner/performance/test_parallel_copy_to.py::test_parallel_copy_same_table[neon]": 73.235,
"test_runner/performance/test_parallel_copy_to.py::test_parallel_copy_same_table[vanilla]": 82.586,
"test_runner/performance/test_perf_pgbench.py::test_pgbench[neon-45-10]": 106.536,
"test_runner/performance/test_perf_pgbench.py::test_pgbench[vanilla-45-10]": 98.753,
"test_runner/performance/test_random_writes.py::test_random_writes[neon]": 6.975,
"test_runner/performance/test_random_writes.py::test_random_writes[vanilla]": 3.69,
"test_runner/performance/test_seqscans.py::test_seqscans[neon-100000-100-0]": 3.529,
"test_runner/performance/test_seqscans.py::test_seqscans[neon-10000000-1-0]": 64.522,
"test_runner/performance/test_seqscans.py::test_seqscans[neon-10000000-1-4]": 40.964,
"test_runner/performance/test_seqscans.py::test_seqscans[vanilla-100000-100-0]": 0.55,
"test_runner/performance/test_seqscans.py::test_seqscans[vanilla-10000000-1-0]": 12.189,
"test_runner/performance/test_seqscans.py::test_seqscans[vanilla-10000000-1-4]": 13.899,
"test_runner/performance/test_startup.py::test_startup_simple": 2.51,
"test_runner/performance/test_wal_backpressure.py::test_heavy_write_workload[neon_off-10-5-5]": 527.245,
"test_runner/performance/test_wal_backpressure.py::test_heavy_write_workload[neon_on-10-5-5]": 583.46,
"test_runner/performance/test_wal_backpressure.py::test_heavy_write_workload[vanilla-10-5-5]": 113.653,
"test_runner/performance/test_wal_backpressure.py::test_pgbench_intensive_init_workload[neon_off-1000]": 233.728,
"test_runner/performance/test_wal_backpressure.py::test_pgbench_intensive_init_workload[neon_on-1000]": 419.093,
"test_runner/performance/test_wal_backpressure.py::test_pgbench_intensive_init_workload[vanilla-1000]": 982.461,
"test_runner/performance/test_wal_backpressure.py::test_pgbench_simple_update_workload[neon_off-45-100]": 116.522,
"test_runner/performance/test_wal_backpressure.py::test_pgbench_simple_update_workload[neon_on-45-100]": 115.583,
"test_runner/performance/test_wal_backpressure.py::test_pgbench_simple_update_workload[vanilla-45-100]": 155.282,
"test_runner/performance/test_write_amplification.py::test_write_amplification[neon]": 26.704,
"test_runner/performance/test_write_amplification.py::test_write_amplification[vanilla]": 16.088,
}
def main(args: argparse.Namespace):
connstr = args.connstr
interval_days = args.days
output = args.output
percentile = args.percentile
res: Dict[str, float] = {}
try:
logging.info("connecting to the database...")
with psycopg2.connect(connstr, connect_timeout=30) as conn:
with conn.cursor(cursor_factory=psycopg2.extras.DictCursor) as cur:
logging.info("fetching benchmarks...")
cur.execute(BENCHMARKS_DURATION_QUERY, (percentile, interval_days))
rows = cur.fetchall()
except psycopg2.OperationalError as exc:
logging.error("cannot fetch benchmarks duration from the DB due to an error", exc)
rows = []
res = FALLBACK_DURATION
for row in rows:
pytest_name = f"{row['parent_suite'].replace('.', '/')}/{row['suite']}.py::{row['name']}"
duration = row["percentile_ms"] / 1000
logging.info(f"\t{pytest_name}: {duration}")
res[pytest_name] = duration
logging.info(f"saving results to {output.name}")
json.dump(res, output, indent=2)
if __name__ == "__main__":
parser = argparse.ArgumentParser(
description="Get <percentile> of benchmarks duration for the last <N> days"
)
parser.add_argument(
"--output",
type=argparse.FileType("w"),
default=".test_durations",
help="path to output json file (default: .test_durations)",
)
parser.add_argument(
"--percentile",
type=float,
default="0.99",
help="percentile (default: 0.99)",
)
parser.add_argument(
"--days",
required=False,
default=10,
type=int,
help="how many days to look back for (default: 10)",
)
parser.add_argument(
"connstr",
help="connection string to the test results database",
)
args = parser.parse_args()
level = logging.INFO
logging.basicConfig(
format="%(message)s",
level=level,
)
main(args)