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import logging |
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logging.basicConfig(level="WARN", format="%(message)s") |
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3
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4
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import os |
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import sys |
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import time |
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import signal |
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8
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from futures import ProcessPoolExecutor |
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from sched import scheduler |
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from redis import StrictRedis |
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from redis_lock import Lock |
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class Exit(Exception): |
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pass |
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def bail(n, f): |
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raise Exit() |
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signal.signal(signal.SIGALRM, bail) |
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def test((t, duration, type_)): |
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conn = StrictRedis() |
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conn.flushdb() |
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ret = [] |
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def run(): |
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iterations = 0 |
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signal.setitimer(signal.ITIMER_REAL, int(sys.argv[1])) |
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try: |
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if type_ == 'redis_lock': |
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while True: |
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with Lock(conn, "test-lock", expire=5): |
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iterations += 1 |
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time.sleep(duration) |
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elif type_ == 'native': |
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while True: |
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with conn.lock("test-lock", timeout=5): |
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iterations += 1 |
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time.sleep(duration) |
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except: |
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logging.info("Got %r. Returning ...", sys.exc_value) |
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ret.append(iterations) |
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44
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sched = scheduler(time.time, time.sleep) |
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logging.info("Running in %s seconds ...", t - time.time()) |
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sched.enterabs(t, 0, run, ()) |
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sched.run() |
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48
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return ret[0] |
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49
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logging.critical("========== ======== =========== ======== ========== ===== =====") |
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logging.critical("Type Duration Concurrency Sum Avg Min Max") |
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logging.critical("========== ======== =========== ======== ========== ===== =====") |
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53
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for type_ in ( |
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'redis_lock', |
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'native', |
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): |
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for duration in ( |
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0, |
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0.001, |
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0.01, |
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0.05, |
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0.1 |
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): |
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for concurrency in ( |
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65
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1, |
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66
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2, |
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67
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3, |
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68
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4, |
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69
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5, |
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70
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6, |
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71
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12, |
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72
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24, |
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73
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48 |
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): |
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with ProcessPoolExecutor(max_workers=concurrency) as pool: |
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t = round(time.time()) + 1 |
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load = [(t, duration, type_) for _ in range(concurrency)] |
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logging.info("Running %s", load) |
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ret = [i for i in pool.map(test, load)] |
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80
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81
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logging.critical( |
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"%10s %-8.3f %-11s %-8s %-10.2f %-5s %-5s", |
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type_, duration, concurrency, sum(ret), sum(ret)/len(ret), min(ret), max(ret) |
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84
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) |
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logging.critical("========== ======== =========== ======== ========== ===== =====") |
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ionelmc /
python-redis-lock
