def runtime_space():
db = bigdick.DB(db_direction=tmp_dir,
cache_size=cache_sizes[i],
cache_duration=10.0)
tmp_dict = dict()
def update():
before = time.time()
for _ in range(ops_write):
key, value = random.randrange(0xFF), random.randrange(
0xFFFF_FFFF)
tmp_dict[key] = value
db.update(key, value)
after = time.time()
print('cache_size: {}, Update QPS: {:.2f}'.format(
cache_sizes[i], ops_write / (after - before + 1e-3)))
update()
def get():
keys = [random.randrange(0xFF) for _ in range(ops_read)]
before = time.time()
for key in keys:
value_1 = tmp_dict[key]
value_2 = db.get(key)
assert value_1 == value_2
after = time.time()
print('cache_size: {}, Get QPS: {:.2f}'.format(
cache_sizes[i], ops_read / (after - before + 1e-3)))
get()
db.stop()
def runtime_space_1():
db = bigdick.DB(db_direction=tmp_dir,
cache_size=cache_size,
cache_duration=10.0)
def update():
for _ in range(ops_write):
key, value = random.randrange(0xFF), random.randrange(
0xFFFF_FFFF)
tmp_dict[key] = value
db.update(key, value)
print('{} write options finished'.format(ops_write))
update()
def get():
keys = [random.randrange(0xFF) for _ in range(ops_read)]
for key in keys:
value_1 = tmp_dict[key]
value_2 = db.get(key)
assert value_1 == value_2
print('{} read options finished'.format(ops_read))
get()
db.stop()
def runtime_space():
db = bigdick.DB(db_direction=tmp_dir,
cache_size=cache_size,
cache_duration=10.0)
def update():
for _ in range(ops_write):
key, value = random.randrange(0xFF), random.randrange(
0xFFFF_FFFF)
db.update(key, value)
ts = [threading.Thread(target=update) for _ in range(n_threads)]
before = time.time()
_, _ = [t.start() for t in ts], [t.join() for t in ts]
after = time.time()
print('cache_size: {}, Update QPS: {:.2f}'.format(
cache_size, n_threads * ops_write / (after - before + 1e-3)))
def get():
for _ in range(ops_read):
key = random.randrange(0xFF)
db.get(key)
ts = [threading.Thread(target=get) for _ in range(n_threads)]
before = time.time()
_, _ = [t.start() for t in ts], [t.join() for t in ts]
after = time.time()
print('cache_size: {}, Get QPS: {:.2f}'.format(
cache_size, n_threads * ops_read / (after - before + 1e-3)))
db.stop()
def runtime_space():
db = bigdick.DB(db_direction=tmp_dir,
cache_size=cache_size,
cache_duration=2.5)
def update():
before = time.time()
for _ in range(ops_write):
key = random.randrange(0xFF)
db.update(key, value)
after = time.time()
print('cache_size: {}, Update QPS: {:.2f}'.format(
cache_size, ops_write / (after - before + 1e-3)))
update()
time.sleep(5.0) # wait cache freed
def get():
keys = [
random.randrange(0x33)
if random.random() < 0.8 else random.randrange(0x33, 0xFF)
for _ in range(ops_read)
]
before = time.time()
for key in keys:
db.get(key)
after = time.time()
print('cache_size: {}, Get QPS: {:.2f}'.format(
cache_size, ops_read / (after - before + 1e-3)))
get()
db.stop()