lbry-sdk/lbry/scripts/sqlite_perf_test.py

56 lines
1.9 KiB
Python

import uvloop, asyncio, time, sys
from concurrent.futures import ProcessPoolExecutor
from lbry.wallet.server.db import reader
db_path = '/tmp/wallet-server/claims.db'
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,
'fee_amount': '<1',
#'all_tags': ['funny'],
'any_tags': [
'crypto',
'outdoors',
'cars',
'automotive'
],
'not_tags': [
'nsfw', 'xxx', 'mature'
]
}
) for _ in range(iterations)))
timings = [r[1]['execute_query']['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)")
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', 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())