lbry-sdk/lbry/scripts/sqlite_perf_test.py
2019-11-01 13:32:13 -04:00

62 lines
2.3 KiB
Python

import uvloop, asyncio, time, sys, logging
from concurrent.futures import ProcessPoolExecutor
from lbry.wallet.server.db import reader
from lbry.wallet.server.metrics import calculate_avg_percentiles
db_path = '../../../lbryconf/wallet-server/claims.db'
default_query_timout = 0.25
log = logging.getLogger(__name__)
log.addHandler(logging.StreamHandler())
async def run_times(executor, iterations, show=True):
start = time.perf_counter()
timings = await asyncio.gather(*(asyncio.get_running_loop().run_in_executor(
executor, reader.search_to_bytes, {
'no_totals': True,
'offset': 0,
'limit': 20,
'any_tags': [
'ufos', 'city fix'
],
'not_tags': [
'porn', 'mature', 'xxx', 'nsfw'
],
'order_by': [
'release_time'
]
}
) for _ in range(iterations)))
timings = [r[1]['execute_query'][0]['total'] for r in timings]
total = int((time.perf_counter() - start) * 100)
if show:
avg = sum(timings)/len(timings)
print(f"{iterations:4}: {total}ms total concurrent, {len(timings)*avg*1000:.3f}s total sequential (avg*runs)")
print(f" {total/len(timings):.1f}ms/query concurrent (total/runs)")
print(f" {avg:.1f}ms/query actual average (sum(queries)/runs)")
stats = calculate_avg_percentiles(timings)
print(f" min: {stats[1]}, 5%: {stats[2]}, 25%: {stats[3]}, 50%: {stats[4]}, 75%: {stats[5]}, 95%: {stats[6]}, max: {stats[7]}")
sys.stdout.write(' sample:')
for i, t in zip(range(10), timings[::-1]):
sys.stdout.write(f' {t}ms')
print(' ...\n' if len(timings) > 10 else '\n')
async def main():
executor = ProcessPoolExecutor(
4, initializer=reader.initializer, initargs=(db_path, 'mainnet', 1.0, True)
)
#await run_times(executor, 4, show=False)
#await run_times(executor, 1)
await run_times(executor, 2**3)
await run_times(executor, 2**5)
await run_times(executor, 2**7)
#await run_times(executor, 2**9)
#await run_times(executor, 2**11)
#await run_times(executor, 2**13)
executor.shutdown(True)
if __name__ == '__main__':
uvloop.install()
asyncio.run(main())