class TestMaster(ScenarioFixture, TestCase):
maxDiff = None
def setUp(self):
# Set our test scenario differently from the default; must be BEFORE
# the super call.
self.scenario_dict = dict(
name='Master Test Scenario - ablkei',
sizes=[
dict(name='tiny', size_min=99, size_max=100),
dict(name='small', size_min=1990, size_max=1990,
crud_profile=[71, 9, 12, 8]),
dict(name='medium', size_min=2990, size_max=3000),
dict(name='unused', size_min=9876543, size_max=9876543),
dict(name='large', size_min=399000, size_max=400000,
crud_profile=[16, 61, 7, 16]),
dict(name='huge', size_min=49900000, size_max=71499999)],
initial_files=dict(
tiny=300, small=400, medium=500, large=200, huge=70,
),
operation_count=5000,
# C R U D
crud_profile=[5, 3, 1, 1],
user_count=2,
)
super(TestMaster, self).setUp()
self.zmq_host = 'slick.queue.com'
self.zmq_work_port = 7482
self.zmq_results_port = 18398
self.work_endpoint = 'tcp://%s:%d' % (self.zmq_host,
self.zmq_work_port)
self.results_endpoint = 'tcp://%s:%d' % (self.zmq_host,
self.zmq_results_port)
self.mock_context = flexmock()
flexmock(zmq.Context).new_instances(self.mock_context).once
self.mock_work_push = flexmock()
self.mock_context.should_receive('socket').with_args(
zmq.PUSH,
).and_return(self.mock_work_push).once
self.mock_work_push.should_receive('bind').with_args(
self.work_endpoint,
).once
self.mock_results_pull = flexmock()
self.mock_context.should_receive('socket').with_args(
zmq.PULL,
).and_return(self.mock_results_pull).once
self.mock_results_pull.should_receive('bind').with_args(
self.results_endpoint,
).once
self.master = Master(self.zmq_host, self.zmq_work_port,
self.zmq_results_port,
connect_timeout=3.14159,
network_timeout=2.71828)
self.result_index = 1 # for self.gen_result()
self.stub_results = [
self.gen_result(
1, ssbench.CREATE_OBJECT, 'small', 100.0, 101.0, 103.0),
self.gen_result(
1, ssbench.READ_OBJECT, 'tiny', 103.0, 103.1, 103.8),
self.gen_result(
1, ssbench.CREATE_OBJECT, 'huge', 103.8, 105.0, 106.0),
self.gen_result(
1, ssbench.UPDATE_OBJECT, 'large', 106.1, 106.3, 106.4),
#
# exceptions should be ignored
dict(worker_id=2, type=ssbench.UPDATE_OBJECT,
completed_at=39293.2, exception='wacky!', traceback='ugh'),
self.gen_result(
2, ssbench.UPDATE_OBJECT, 'medium', 100.1, 100.9, 102.9),
self.gen_result(
2, ssbench.DELETE_OBJECT, 'large', 102.9, 103.0, 103.3),
self.gen_result(
2, ssbench.CREATE_OBJECT, 'tiny', 103.3, 103.4, 103.5),
self.gen_result(
2, ssbench.READ_OBJECT, 'small', 103.5, 103.7, 104.0),
#
self.gen_result(
3, ssbench.READ_OBJECT, 'tiny', 100.1, 101.1, 101.9),
# worker 3 took a while (observer lower concurrency in second 102
self.gen_result(
3, ssbench.DELETE_OBJECT, 'small', 103.1, 103.6, 103.9),
self.gen_result(
3, ssbench.READ_OBJECT, 'medium', 103.9, 104.2, 104.3),
self.gen_result(
3, ssbench.UPDATE_OBJECT, 'tiny', 104.3, 104.9, 104.999),
]
def tearDown(self):
super(TestMaster, self).tearDown()
def gen_result(self, worker_id, op_type, size_str, start, first_byte,
last_byte):
self.result_index += 1
return {
# There are other keys in a "result", but these are the only ones
# used for the reporting.
'worker_id': worker_id,
'type': op_type,
'size_str': size_str,
'size': 989,
'first_byte_latency': first_byte - start,
'last_byte_latency': last_byte - start,
'trans_id': 'txID%03d' % self.result_index,
'completed_at': last_byte,
}
def test_format_bytes(self):
input_expected = [
(0, ' 0 B'),
(7, ' 7 B'),
(17, ' 17 B'),
(117, '117 B'),
(999, '999 B'),
(1000, ' 1 kB'),
(1001, ' 1 kB'),
(1100, ' 1 kB'),
(1500, ' 2 kB'),
(1999, ' 2 kB'),
(2000, ' 2 kB'),
(7500, ' 8 kB'),
(7900, ' 8 kB'),
(9999, ' 10 kB'),
(10000, ' 10 kB'),
(19999, ' 20 kB'),
(20000, ' 20 kB'),
(84999, ' 85 kB'),
(85000, ' 85 kB'),
(99999, '100 kB'),
(100000, '100 kB'),
(100001, '100 kB'),
(700500, '701 kB'),
(999999, ' 1 MB'),
(1000000, ' 1 MB'),
(1000001, ' 1 MB'),
(4123456, ' 4 MB'),
(4543210, ' 5 MB'),
(99999999, '100 MB'),
(100000000, '100 MB'),
(9999999999, ' 10 GB'),
(10000000000, ' 10 GB'),
(99999999999, '100 GB'),
(100000000000, '100 GB'),
(234567890123, '235 GB'),
]
for input_bytes, formatting in input_expected:
self.assertEqual(
formatting, self.master._format_bytes(input_bytes),
'_format_bytes(%d) = %s instead of %s' % (
input_bytes, self.master._format_bytes(input_bytes),
formatting))
def test_calculate_scenario_stats_aggregate(self):
first_byte_latency_all = [1, 0.1, 1.2, 0.2, 0.8, 0.1, 0.1,
0.2, 1, 0.5, 0.3, 0.6]
last_byte_latency_all = [3, 0.8, 2.2, 0.3, 2.8, 0.4, 0.2,
0.5, 1.8, 0.8, 0.4, 0.699]
scen_stats = self.master.calculate_scenario_stats(self.scenario,
self.stub_results)
self.assertDictEqual(dict(
worker_count=3, start=100.0, stop=106.4, req_count=12,
avg_req_per_sec=round(12 / (106.4 - 100), 6),
first_byte_latency=dict(
min='%6.3f' % 0.1,
max='%7.3f' % 1.2,
avg='%7.3f' % stats.lmean(first_byte_latency_all),
pctile='%7.3f' % 1.2,
std_dev='%7.3f' % stats.lsamplestdev(first_byte_latency_all),
median='%7.3f' % stats.lmedianscore(first_byte_latency_all),
),
last_byte_latency=dict(
min='%6.3f' % 0.2,
max='%7.3f' % 3.0,
avg='%7.3f' % stats.lmean(last_byte_latency_all),
pctile='%7.3f' % 3.0,
std_dev='%7.3f' % stats.lsamplestdev(last_byte_latency_all),
median=' 0.749', # XXX why??
# median='%7.3f' % stats.lmedianscore(last_byte_latency_all),
),
worst_first_byte_latency=(1.2, 'txID004'),
worst_last_byte_latency=(3.0, 'txID002'),
), scen_stats['agg_stats'])
def test_calculate_scenario_stats_aggregate_low_pctile(self):
first_byte_latency_all = [1, 0.1, 1.2, 0.2, 0.8, 0.1, 0.1,
0.2, 1, 0.5, 0.3, 0.6]
last_byte_latency_all = [3, 0.8, 2.2, 0.3, 2.8, 0.4, 0.2,
0.5, 1.8, 0.8, 0.4, 0.699]
scen_stats = self.master.calculate_scenario_stats(self.scenario,
self.stub_results,
nth_pctile=20)
self.assertDictEqual(dict(
worker_count=3, start=100.0, stop=106.4, req_count=12,
avg_req_per_sec=round(12 / (106.4 - 100), 6),
first_byte_latency=dict(
min='%6.3f' % 0.1,
max='%7.3f' % 1.2,
avg='%7.3f' % stats.lmean(first_byte_latency_all),
pctile='%7.3f' % sorted(first_byte_latency_all)[2],
std_dev='%7.3f' % stats.lsamplestdev(first_byte_latency_all),
median='%7.3f' % stats.lmedianscore(first_byte_latency_all),
),
last_byte_latency=dict(
min='%6.3f' % 0.2,
max='%7.3f' % 3.0,
avg='%7.3f' % stats.lmean(last_byte_latency_all),
pctile='%7.3f' % sorted(last_byte_latency_all)[2],
std_dev='%7.3f' % stats.lsamplestdev(last_byte_latency_all),
median=' 0.749', # XXX why??
# median='%7.3f' % stats.lmedianscore(last_byte_latency_all),
),
worst_first_byte_latency=(1.2, 'txID004'),
worst_last_byte_latency=(3.0, 'txID002'),
), scen_stats['agg_stats'])
def test_calculate_scenario_stats_worker1(self):
w1_first_byte_latency = [1.0, 0.1, 1.2, 0.2]
w1_last_byte_latency = [3.0, 0.8, 2.2, 0.3]
scen_stats = self.master.calculate_scenario_stats(self.scenario,
self.stub_results)
self.assertDictEqual(dict(
start=100.0, stop=106.4, req_count=4,
avg_req_per_sec=round(4 / (106.4 - 100), 6),
first_byte_latency=dict(
min='%6.3f' % min(w1_first_byte_latency),
max='%7.3f' % max(w1_first_byte_latency),
avg='%7.3f' % stats.lmean(w1_first_byte_latency),
pctile='%7.3f' % 1.2,
std_dev='%7.3f' % stats.lsamplestdev(w1_first_byte_latency),
median='%7.3f' % stats.lmedianscore(w1_first_byte_latency),
),
last_byte_latency=dict(
min='%6.3f' % min(w1_last_byte_latency),
max='%7.3f' % max(w1_last_byte_latency),
avg='%7.3f' % stats.lmean(w1_last_byte_latency),
pctile='%7.3f' % 3.0,
std_dev='%7.3f' % stats.lsamplestdev(w1_last_byte_latency),
median='%7.3f' % stats.lmedianscore(w1_last_byte_latency),
),
worst_first_byte_latency=(float(max(w1_first_byte_latency)),
'txID004'),
worst_last_byte_latency=(
float(max(w1_last_byte_latency)), 'txID002'),
), scen_stats['worker_stats'][1])
def test_calculate_scenario_stats_worker2(self):
w2_first_byte_latency = [0.8, 0.1, 0.1, 0.2]
w2_last_byte_latency = [2.8, 0.4, 0.2, 0.5]
scen_stats = self.master.calculate_scenario_stats(self.scenario,
self.stub_results)
self.assertDictEqual(dict(
start=100.1, stop=104.0, req_count=4,
avg_req_per_sec=round(4 / (104.0 - 100.1), 6),
first_byte_latency=dict(
min='%6.3f' % min(w2_first_byte_latency),
max='%7.3f' % max(w2_first_byte_latency),
avg='%7.3f' % stats.lmean(w2_first_byte_latency),
pctile='%7.3f' % 0.8,
std_dev='%7.3f' % stats.lsamplestdev(w2_first_byte_latency),
median='%7.3f' % stats.lmedianscore(w2_first_byte_latency),
),
last_byte_latency=dict(
min='%6.3f' % min(w2_last_byte_latency),
max='%7.3f' % max(w2_last_byte_latency),
avg='%7.3f' % stats.lmean(w2_last_byte_latency),
pctile='%7.3f' % 2.8,
std_dev='%7.3f' % stats.lsamplestdev(w2_last_byte_latency),
median='%7.3f' % stats.lmedianscore(w2_last_byte_latency),
),
worst_first_byte_latency=(float(max(w2_first_byte_latency)),
'txID006'),
worst_last_byte_latency=(
float(max(w2_last_byte_latency)), 'txID006'),
), scen_stats['worker_stats'][2])
def test_calculate_scenario_stats_worker3(self):
w3_first_byte_latency = [1, 0.5, 0.3, 0.6]
w3_last_byte_latency = [1.8, 0.8, 0.4, 0.699]
scen_stats = self.master.calculate_scenario_stats(self.scenario,
self.stub_results)
self.assertDictEqual(dict(
start=100.1, stop=104.999, req_count=4,
avg_req_per_sec=round(4 / (104.999 - 100.1), 6),
first_byte_latency=dict(
min='%6.3f' % min(w3_first_byte_latency),
max='%7.3f' % max(w3_first_byte_latency),
avg='%7.3f' % stats.lmean(w3_first_byte_latency),
pctile='%7.3f' % 1.0,
std_dev='%7.3f' % stats.lsamplestdev(w3_first_byte_latency),
median='%7.3f' % stats.lmedianscore(w3_first_byte_latency),
),
last_byte_latency=dict(
min='%6.3f' % min(w3_last_byte_latency),
max='%7.3f' % max(w3_last_byte_latency),
avg='%7.3f' % stats.lmean(w3_last_byte_latency),
pctile='%7.3f' % 1.8,
std_dev='%7.3f' % stats.lsamplestdev(w3_last_byte_latency),
median='%7.3f' % stats.lmedianscore(w3_last_byte_latency),
),
worst_first_byte_latency=(
float(max(w3_first_byte_latency)), 'txID010'),
worst_last_byte_latency=(
float(max(w3_last_byte_latency)), 'txID010'),
), scen_stats['worker_stats'][3])
def test_calculate_scenario_stats_create(self):
# Stats for Create
c_first_byte_latency = [1, 1.2, 0.1]
c_last_byte_latency = [3.0, 2.2, 0.2]
scen_stats = self.master.calculate_scenario_stats(self.scenario,
self.stub_results)
self.assertDictEqual(dict(
start=100.0, stop=106.0, req_count=3,
avg_req_per_sec=round(3 / (106 - 100.0), 6),
first_byte_latency=dict(
min='%6.3f' % min(c_first_byte_latency),
max='%7.3f' % max(c_first_byte_latency),
pctile='%7.3f' % max(c_first_byte_latency),
avg='%7.3f' % stats.lmean(c_first_byte_latency),
std_dev='%7.3f' % stats.lsamplestdev(c_first_byte_latency),
median='%7.3f' % stats.lmedianscore(c_first_byte_latency),
),
last_byte_latency=dict(
min='%6.3f' % min(c_last_byte_latency),
max='%7.3f' % max(c_last_byte_latency),
pctile='%7.3f' % max(c_last_byte_latency),
avg='%7.3f' % stats.lmean(c_last_byte_latency),
std_dev='%7.3f' % stats.lsamplestdev(c_last_byte_latency),
median='%7.3f' % stats.lmedianscore(c_last_byte_latency),
),
worst_first_byte_latency=(max(c_first_byte_latency), 'txID004'),
worst_last_byte_latency=(max(c_last_byte_latency), 'txID002'),
size_stats=OrderedDict([
('tiny', {'avg_req_per_sec': 5.0,
'first_byte_latency': {'avg': '%7.3f' % 0.1,
'max': '%7.3f' % 0.1,
'pctile': '%7.3f' % 0.1,
'median': '%7.3f' % 0.1,
'min': '%6.3f' % 0.1,
'std_dev': '%7.3f' % 0.0},
'last_byte_latency': {'avg': '%7.3f' % 0.2,
'max': '%7.3f' % 0.2,
'pctile': '%7.3f' % 0.2,
'median': '%7.3f' % 0.2,
'min': '%6.3f' % 0.2,
'std_dev': '%7.3f' % 0.0},
'worst_first_byte_latency': (0.1, 'txID008'),
'worst_last_byte_latency': (0.2, 'txID008'),
'req_count': 1,
'start': 103.3,
'stop': 103.5}),
('small', {'avg_req_per_sec': 0.333333,
'first_byte_latency': {'avg': '%7.3f' % 1.0,
'max': '%7.3f' % 1.0,
'pctile': '%7.3f' % 1.0,
'median': '%7.3f' % 1.0,
'min': '%6.3f' % 1.0,
'std_dev': '%7.3f' % 0.0},
'last_byte_latency': {'avg': '%7.3f' % 3.0,
'max': '%7.3f' % 3.0,
'pctile': '%7.3f' % 3.0,
'median': '%7.3f' % 3.0,
'min': '%6.3f' % 3.0,
'std_dev': '%7.3f' % 0.0},
'worst_first_byte_latency': (1.0, 'txID002'),
'worst_last_byte_latency': (3.0, 'txID002'),
'req_count': 1,
'start': 100.0,
'stop': 103.0}),
('huge', {'avg_req_per_sec': 0.454545,
'first_byte_latency': {'avg': '%7.3f' % 1.2,
'max': '%7.3f' % 1.2,
'pctile': '%7.3f' % 1.2,
'median': '%7.3f' % 1.2,
'min': '%6.3f' % 1.2,
'std_dev': '%7.3f' % 0.0},
'last_byte_latency': {'avg': '%7.3f' % 2.2,
'max': '%7.3f' % 2.2,
'pctile': '%7.3f' % 2.2,
'median': '%7.3f' % 2.2,
'min': '%6.3f' % 2.2,
'std_dev': '%7.3f' % 0.0},
'worst_first_byte_latency': (1.2, 'txID004'),
'worst_last_byte_latency': (2.2, 'txID004'),
'req_count': 1,
'start': 103.8,
'stop': 106.0})]),
), scen_stats['op_stats'][ssbench.CREATE_OBJECT])
def test_calculate_scenario_stats_read(self):
# Stats for Read
r_first_byte_latency = [0.1, 0.2, 1.0, 0.3]
r_last_byte_latency = [0.8, 0.5, 1.8, 0.4]
scen_stats = self.master.calculate_scenario_stats(self.scenario,
self.stub_results)
self.assertDictEqual(dict(
start=100.1, stop=104.3, req_count=4,
avg_req_per_sec=round(4 / (104.3 - 100.1), 6),
first_byte_latency=dict(
min='%6.3f' % min(r_first_byte_latency),
max='%7.3f' % max(r_first_byte_latency),
pctile='%7.3f' % max(r_first_byte_latency),
avg='%7.3f' % stats.lmean(r_first_byte_latency),
std_dev='%7.3f' % stats.lsamplestdev(r_first_byte_latency),
median='%7.3f' % stats.lmedianscore(r_first_byte_latency),
),
last_byte_latency=dict(
min='%6.3f' % min(r_last_byte_latency),
max='%7.3f' % max(r_last_byte_latency),
pctile='%7.3f' % max(r_last_byte_latency),
avg='%7.3f' % stats.lmean(r_last_byte_latency),
std_dev='%7.3f' % stats.lsamplestdev(r_last_byte_latency),
median='%7.3f' % stats.lmedianscore(r_last_byte_latency),
),
worst_first_byte_latency=(max(r_first_byte_latency), 'txID010'),
worst_last_byte_latency=(max(r_last_byte_latency), 'txID010'),
size_stats=OrderedDict([
('tiny', {'avg_req_per_sec': 0.540541,
'first_byte_latency': {'avg': '%7.3f' % 0.55,
'max': '%7.3f' % 1.0,
'pctile': '%7.3f' % 1.0,
'median': '%7.3f' % 0.55,
'min': '%6.3f' % 0.1,
'std_dev': '%7.3f' % 0.45},
'last_byte_latency': {'avg': '%7.3f' % 1.3,
'max': '%7.3f' % 1.8,
'pctile': '%7.3f' % 1.8,
'median': '%7.3f' % 1.3,
'min': '%6.3f' % 0.8,
'std_dev': '%7.3f' % 0.5},
'worst_first_byte_latency': (1.0, 'txID010'),
'worst_last_byte_latency': (1.8, 'txID010'),
'req_count': 2,
'start': 100.1,
'stop': 103.8}),
('small', {'avg_req_per_sec': 2.0,
'first_byte_latency': {'avg': '%7.3f' % 0.2,
'max': '%7.3f' % 0.2,
'pctile': '%7.3f' % 0.2,
'median': '%7.3f' % 0.2,
'min': '%6.3f' % 0.2,
'std_dev': '%7.3f' % 0.0},
'last_byte_latency': {'avg': '%7.3f' % 0.5,
'max': '%7.3f' % 0.5,
'pctile': '%7.3f' % 0.5,
'median': '%7.3f' % 0.5,
'min': '%6.3f' % 0.5,
'std_dev': '%7.3f' % 0.0},
'worst_first_byte_latency': (0.2, 'txID009'),
'worst_last_byte_latency': (0.5, 'txID009'),
'req_count': 1,
'start': 103.5,
'stop': 104.0}),
('medium', {'avg_req_per_sec': 2.5,
'first_byte_latency': {'avg': '%7.3f' % 0.3,
'max': '%7.3f' % 0.3,
'pctile': '%7.3f' % 0.3,
'median': '%7.3f' % 0.3,
'min': '%6.3f' % 0.3,
'std_dev': '%7.3f' % 0.0},
'last_byte_latency': {'avg': '%7.3f' % 0.4,
'max': '%7.3f' % 0.4,
'pctile': '%7.3f' % 0.4,
'median': '%7.3f' % 0.4,
'min': '%6.3f' % 0.4,
'std_dev': '%7.3f' % 0.0},
'worst_first_byte_latency': (0.3, 'txID012'),
'worst_last_byte_latency': (0.4, 'txID012'),
'req_count': 1,
'start': 103.9,
'stop': 104.3})]),
), scen_stats['op_stats'][ssbench.READ_OBJECT])
def test_calculate_scenario_stats_update(self):
u_first_byte_latency = [0.2, 0.8, 0.6]
u_last_byte_latency = [0.3, 2.8, 0.699]
scen_stats = self.master.calculate_scenario_stats(self.scenario,
self.stub_results)
self.assertDictEqual(dict(
start=100.1, stop=106.4, req_count=3,
avg_req_per_sec=round(3 / (106.4 - 100.1), 6),
first_byte_latency=dict(
min='%6.3f' % min(u_first_byte_latency),
max='%7.3f' % max(u_first_byte_latency),
avg='%7.3f' % stats.lmean(u_first_byte_latency),
pctile='%7.3f' % 0.8,
std_dev='%7.3f' % stats.lsamplestdev(u_first_byte_latency),
median='%7.3f' % stats.lmedianscore(u_first_byte_latency),
),
worst_first_byte_latency=(max(u_first_byte_latency), 'txID006'),
last_byte_latency=dict(
min='%6.3f' % min(u_last_byte_latency),
max='%7.3f' % max(u_last_byte_latency),
avg='%7.3f' % stats.lmean(u_last_byte_latency),
pctile='%7.3f' % 2.8,
std_dev='%7.3f' % stats.lsamplestdev(u_last_byte_latency),
median='%7.3f' % stats.lmedianscore(u_last_byte_latency),
),
worst_last_byte_latency=(max(u_last_byte_latency), 'txID006'),
size_stats=OrderedDict([
('tiny', {'avg_req_per_sec': 1.430615,
'first_byte_latency': {'avg': '%7.3f' % 0.6,
'pctile': '%7.3f' % 0.6,
'max': '%7.3f' % 0.6,
'median': '%7.3f' % 0.6,
'min': '%6.3f' % 0.6,
'std_dev': '%7.3f' % 0.0},
'worst_first_byte_latency': (0.6, 'txID013'),
'last_byte_latency': {'avg': '%7.3f' % 0.699,
'pctile': '%7.3f' % 0.699,
'max': '%7.3f' % 0.699,
'median': '%7.3f' % 0.699,
'min': '%6.3f' % 0.699,
'std_dev': '%7.3f' % 0.0},
'worst_last_byte_latency': (0.699, 'txID013'),
'req_count': 1,
'start': 104.3,
'stop': 104.999}),
('medium', {'avg_req_per_sec': 0.357143,
'first_byte_latency': {'avg': '%7.3f' % 0.8,
'pctile': '%7.3f' % 0.8,
'max': '%7.3f' % 0.8,
'median': '%7.3f' % 0.8,
'min': '%6.3f' % 0.8,
'std_dev': '%7.3f' % 0.0},
'worst_first_byte_latency': (0.8, 'txID006'),
'last_byte_latency': {'avg': '%7.3f' % 2.8,
'pctile': '%7.3f' % 2.8,
'max': '%7.3f' % 2.8,
'median': '%7.3f' % 2.8,
'min': '%6.3f' % 2.8,
'std_dev': '%7.3f' % 0.0},
'worst_last_byte_latency': (2.8, 'txID006'),
'req_count': 1,
'start': 100.1,
'stop': 102.9}),
('large', {'avg_req_per_sec': 3.333333,
'first_byte_latency': {'avg': '%7.3f' % 0.2,
'pctile': '%7.3f' % 0.2,
'max': '%7.3f' % 0.2,
'median': '%7.3f' % 0.2,
'min': '%6.3f' % 0.2,
'std_dev': '%7.3f' % 0.0},
'worst_first_byte_latency': (0.2, 'txID005'),
'last_byte_latency': {'avg': '%7.3f' % 0.3,
'pctile': '%7.3f' % 0.3,
'max': '%7.3f' % 0.3,
'median': '%7.3f' % 0.3,
'min': '%6.3f' % 0.3,
'std_dev': '%7.3f' % 0.0},
'worst_last_byte_latency': (0.3, 'txID005'),
'req_count': 1,
'start': 106.1,
'stop': 106.4})]),
), scen_stats['op_stats'][ssbench.UPDATE_OBJECT])
def test_calculate_scenario_stats_delete(self):
d_first_byte_latency = [0.1, 0.5]
d_last_byte_latency = [0.4, 0.8]
scen_stats = self.master.calculate_scenario_stats(self.scenario,
self.stub_results)
self.assertDictEqual(dict(
start=102.9, stop=103.9, req_count=2,
avg_req_per_sec=round(2 / (103.9 - 102.9), 6),
first_byte_latency=dict(
min='%6.3f' % min(d_first_byte_latency),
max='%7.3f' % max(d_first_byte_latency),
pctile='%7.3f' % max(d_first_byte_latency),
avg='%7.3f' % stats.lmean(d_first_byte_latency),
std_dev='%7.3f' % stats.lsamplestdev(d_first_byte_latency),
median='%7.3f' % stats.lmedianscore(d_first_byte_latency),
),
last_byte_latency=dict(
min='%6.3f' % min(d_last_byte_latency),
max='%7.3f' % max(d_last_byte_latency),
pctile='%7.3f' % max(d_last_byte_latency),
avg='%7.3f' % stats.lmean(d_last_byte_latency),
std_dev='%7.3f' % stats.lsamplestdev(d_last_byte_latency),
median='%7.3f' % stats.lmedianscore(d_last_byte_latency),
),
worst_first_byte_latency=(max(d_first_byte_latency), 'txID011'),
worst_last_byte_latency=(max(d_last_byte_latency), 'txID011'),
size_stats=OrderedDict([
('small', {'avg_req_per_sec': 1.25,
'first_byte_latency': {'avg': '%7.3f' % 0.5,
'max': '%7.3f' % 0.5,
'pctile': '%7.3f' % 0.5,
'median': '%7.3f' % 0.5,
'min': '%6.3f' % 0.5,
'std_dev': '%7.3f' % 0.0},
'last_byte_latency': {'avg': '%7.3f' % 0.8,
'max': '%7.3f' % 0.8,
'pctile': '%7.3f' % 0.8,
'median': '%7.3f' % 0.8,
'min': '%6.3f' % 0.8,
'std_dev': '%7.3f' % 0.0},
'worst_first_byte_latency': (0.5, 'txID011'),
'worst_last_byte_latency': (0.8, 'txID011'),
'req_count': 1,
'start': 103.1,
'stop': 103.9}),
('large', {'avg_req_per_sec': 2.5,
'first_byte_latency': {'avg': '%7.3f' % 0.1,
'max': '%7.3f' % 0.1,
'pctile': '%7.3f' % 0.1,
'median': '%7.3f' % 0.1,
'min': '%6.3f' % 0.1,
'std_dev': '%7.3f' % 0.0},
'last_byte_latency': {'avg': '%7.3f' % 0.4,
'max': '%7.3f' % 0.4,
'pctile': '%7.3f' % 0.4,
'median': '%7.3f' % 0.4,
'min': '%6.3f' % 0.4,
'std_dev': '%7.3f' % 0.0},
'worst_first_byte_latency': (0.1, 'txID007'),
'worst_last_byte_latency': (0.4, 'txID007'),
'req_count': 1,
'start': 102.9,
'stop': 103.3})]),
), scen_stats['op_stats'][ssbench.DELETE_OBJECT])
def test_calculate_scenario_size_stats(self):
d_first_byte_latency = [0.1, 0.5]
d_last_byte_latency = [0.4, 0.8]
scen_stats = self.master.calculate_scenario_stats(self.scenario,
self.stub_results)
self.assertDictEqual(OrderedDict([
('tiny', {'avg_req_per_sec': 0.816493,
'first_byte_latency': {'avg': '%7.3f' % 0.45,
'max': '%7.3f' % 1.0,
'pctile': '%7.3f' % 1.0,
'median': '%7.3f' % 0.35,
'min': '%6.3f' % 0.1,
'std_dev': '%7.3f' % 0.377492},
'last_byte_latency': {'avg': '%7.3f' % 0.87475,
'max': '%7.3f' % 1.8,
'pctile': '%7.3f' % 1.8,
'median': '%7.3f' % 0.7494,
'min': '%6.3f' % 0.2,
'std_dev': '%7.3f' % 0.580485},
'worst_first_byte_latency': (1.0, 'txID010'),
'worst_last_byte_latency': (1.8, 'txID010'),
'req_count': 4,
'start': 100.1,
'stop': 104.999}),
('small', {'avg_req_per_sec': 0.75,
'first_byte_latency': {'avg': '%7.3f' % 0.566667,
'max': '%7.3f' % 1.0,
'pctile': '%7.3f' % 1.0,
'median': '%7.3f' % 0.5,
'min': '%6.3f' % 0.2,
'std_dev': '%7.3f' % 0.329983},
'last_byte_latency': {'avg': '%7.3f' % 1.433333,
'max': '%7.3f' % 3.0,
'pctile': '%7.3f' % 3.0,
'median': '%7.3f' % 0.8,
'min': '%6.3f' % 0.5,
'std_dev': '%7.3f' % 1.11455},
'worst_first_byte_latency': (1.0, 'txID002'),
'worst_last_byte_latency': (3.0, 'txID002'),
'req_count': 3,
'start': 100.0,
'stop': 104.0}),
('medium', {'avg_req_per_sec': 0.47619,
'first_byte_latency': {'avg': '%7.3f' % 0.55,
'max': '%7.3f' % 0.8,
'pctile': '%7.3f' % 0.8,
'median': '%7.3f' % 0.55,
'min': '%6.3f' % 0.3,
'std_dev': '%7.3f' % 0.25},
'last_byte_latency': {'avg': '%7.3f' % 1.6,
'max': '%7.3f' % 2.8,
'pctile': '%7.3f' % 2.8,
'median': '%7.3f' % 1.6,
'min': '%6.3f' % 0.4,
'std_dev': '%7.3f' % 1.2},
'worst_first_byte_latency': (0.8, 'txID006'),
'worst_last_byte_latency': (2.8, 'txID006'),
'req_count': 2,
'start': 100.1,
'stop': 104.3}),
('large', {'avg_req_per_sec': 0.571429,
'first_byte_latency': {'avg': '%7.3f' % 0.15,
'max': '%7.3f' % 0.2,
'pctile': '%7.3f' % 0.2,
'median': '%7.3f' % 0.15,
'min': '%6.3f' % 0.1,
'std_dev': '%7.3f' % 0.05},
'last_byte_latency': {'avg': '%7.3f' % 0.35,
'max': '%7.3f' % 0.4,
'pctile': '%7.3f' % 0.4,
'median': '%7.3f' % 0.35,
'min': '%6.3f' % 0.3,
'std_dev': '%7.3f' % 0.05},
'worst_first_byte_latency': (0.2, 'txID005'),
'worst_last_byte_latency': (0.4, 'txID007'),
'req_count': 2,
'start': 102.9,
'stop': 106.4}),
('huge', {'avg_req_per_sec': 0.454545,
'first_byte_latency': {'avg': '%7.3f' % 1.2,
'max': '%7.3f' % 1.2,
'pctile': '%7.3f' % 1.2,
'median': '%7.3f' % 1.2,
'min': '%6.3f' % 1.2,
'std_dev': '%7.3f' % 0.0},
'last_byte_latency': {'avg': '%7.3f' % 2.2,
'max': '%7.3f' % 2.2,
'pctile': '%7.3f' % 2.2,
'median': '%7.3f' % 2.2,
'min': '%6.3f' % 2.2,
'std_dev': '%7.3f' % 0.0},
'worst_first_byte_latency': (1.2, 'txID004'),
'worst_last_byte_latency': (2.2, 'txID004'),
'req_count': 1,
'start': 103.8,
'stop': 106.0})]),
scen_stats['size_stats'])
def test_calculate_scenario_stats_time_series(self):
# Time series (reqs completed each second
scen_stats = self.master.calculate_scenario_stats(self.scenario,
self.stub_results)
self.assertDictEqual(dict(
start=101,
start_time=99.19999999999999,
stop=106,
data=[1, 1, 5, 3, 0, 2],
), scen_stats['time_series'])
def test_write_rps_histogram(self):
# Write out time series data (requests-per-second histogram) to an
# already open CSV file
scen_stats = self.master.calculate_scenario_stats(self.scenario,
self.stub_results)
test_csv_file = StringIO()
self.master.write_rps_histogram(scen_stats, test_csv_file)
test_csv_file.seek(0)
reader = csv.reader(test_csv_file)
self.assertListEqual([
["Seconds Since Start", "Requests Completed"],
['1', '1'],
['2', '1'],
['3', '5'],
['4', '3'],
['5', '0'],
['6', '2'],
], list(reader))
def test_generate_scenario_report(self):
# Time series (reqs completed each second
scen_stats = self.master.calculate_scenario_stats(self.scenario,
self.stub_results,
nth_pctile=50)
self.assertListEqual(u"""
Master Test Scenario - ablkei
Worker count: 3 Concurrency: 2 Ran 1970-01-01 00:01:39 UTC to 1970-01-01 00:01:46 UTC (7s)
% Ops C R U D Size Range Size Name
20% % 50 30 10 10 99 B - 100 B tiny
27% % 71 9 12 8 2 kB small
34% % 50 30 10 10 3 kB - 3 kB medium
0% % 50 30 10 10 10 MB unused
14% % 16 61 7 16 399 kB - 400 kB large
5% % 50 30 10 10 50 MB - 71 MB huge
---------------------------------------------------------------------
51 29 10 10 CRUD weighted average
TOTAL
Count: 12 Average requests per second: 1.9
min max avg std_dev 50%-ile Worst latency TX ID
First-byte latency: 0.100 - 1.200 0.508 ( 0.386) 0.400 (all obj sizes) txID004
Last-byte latency: 0.200 - 3.000 1.158 ( 0.970) 0.749 (all obj sizes) txID002
First-byte latency: 0.100 - 1.000 0.450 ( 0.377) 0.350 ( tiny objs) txID010
Last-byte latency: 0.200 - 1.800 0.875 ( 0.580) 0.749 ( tiny objs) txID010
First-byte latency: 0.200 - 1.000 0.567 ( 0.330) 0.500 ( small objs) txID002
Last-byte latency: 0.500 - 3.000 1.433 ( 1.115) 0.800 ( small objs) txID002
First-byte latency: 0.300 - 0.800 0.550 ( 0.250) 0.550 ( medium objs) txID006
Last-byte latency: 0.400 - 2.800 1.600 ( 1.200) 1.600 ( medium objs) txID006
First-byte latency: 0.100 - 0.200 0.150 ( 0.050) 0.150 ( large objs) txID005
Last-byte latency: 0.300 - 0.400 0.350 ( 0.050) 0.350 ( large objs) txID007
First-byte latency: 1.200 - 1.200 1.200 ( 0.000) 1.200 ( huge objs) txID004
Last-byte latency: 2.200 - 2.200 2.200 ( 0.000) 2.200 ( huge objs) txID004
CREATE
Count: 3 Average requests per second: 0.5
min max avg std_dev 50%-ile Worst latency TX ID
First-byte latency: 0.100 - 1.200 0.767 ( 0.478) 1.000 (all obj sizes) txID004
Last-byte latency: 0.200 - 3.000 1.800 ( 1.178) 2.200 (all obj sizes) txID002
First-byte latency: 0.100 - 0.100 0.100 ( 0.000) 0.100 ( tiny objs) txID008
Last-byte latency: 0.200 - 0.200 0.200 ( 0.000) 0.200 ( tiny objs) txID008
First-byte latency: 1.000 - 1.000 1.000 ( 0.000) 1.000 ( small objs) txID002
Last-byte latency: 3.000 - 3.000 3.000 ( 0.000) 3.000 ( small objs) txID002
First-byte latency: 1.200 - 1.200 1.200 ( 0.000) 1.200 ( huge objs) txID004
Last-byte latency: 2.200 - 2.200 2.200 ( 0.000) 2.200 ( huge objs) txID004
READ
Count: 4 Average requests per second: 1.0
min max avg std_dev 50%-ile Worst latency TX ID
First-byte latency: 0.100 - 1.000 0.400 ( 0.354) 0.250 (all obj sizes) txID010
Last-byte latency: 0.400 - 1.800 0.875 ( 0.554) 0.650 (all obj sizes) txID010
First-byte latency: 0.100 - 1.000 0.550 ( 0.450) 0.550 ( tiny objs) txID010
Last-byte latency: 0.800 - 1.800 1.300 ( 0.500) 1.300 ( tiny objs) txID010
First-byte latency: 0.200 - 0.200 0.200 ( 0.000) 0.200 ( small objs) txID009
Last-byte latency: 0.500 - 0.500 0.500 ( 0.000) 0.500 ( small objs) txID009
First-byte latency: 0.300 - 0.300 0.300 ( 0.000) 0.300 ( medium objs) txID012
Last-byte latency: 0.400 - 0.400 0.400 ( 0.000) 0.400 ( medium objs) txID012
UPDATE
Count: 3 Average requests per second: 0.5
min max avg std_dev 50%-ile Worst latency TX ID
First-byte latency: 0.200 - 0.800 0.533 ( 0.249) 0.600 (all obj sizes) txID006
Last-byte latency: 0.300 - 2.800 1.266 ( 1.097) 0.699 (all obj sizes) txID006
First-byte latency: 0.600 - 0.600 0.600 ( 0.000) 0.600 ( tiny objs) txID013
Last-byte latency: 0.699 - 0.699 0.699 ( 0.000) 0.699 ( tiny objs) txID013
First-byte latency: 0.800 - 0.800 0.800 ( 0.000) 0.800 ( medium objs) txID006
Last-byte latency: 2.800 - 2.800 2.800 ( 0.000) 2.800 ( medium objs) txID006
First-byte latency: 0.200 - 0.200 0.200 ( 0.000) 0.200 ( large objs) txID005
Last-byte latency: 0.300 - 0.300 0.300 ( 0.000) 0.300 ( large objs) txID005
DELETE
Count: 2 Average requests per second: 2.0
min max avg std_dev 50%-ile Worst latency TX ID
First-byte latency: 0.100 - 0.500 0.300 ( 0.200) 0.300 (all obj sizes) txID011
Last-byte latency: 0.400 - 0.800 0.600 ( 0.200) 0.600 (all obj sizes) txID011
First-byte latency: 0.500 - 0.500 0.500 ( 0.000) 0.500 ( small objs) txID011
Last-byte latency: 0.800 - 0.800 0.800 ( 0.000) 0.800 ( small objs) txID011
First-byte latency: 0.100 - 0.100 0.100 ( 0.000) 0.100 ( large objs) txID007
Last-byte latency: 0.400 - 0.400 0.400 ( 0.000) 0.400 ( large objs) txID007
""".split('\n'), self.master.generate_scenario_report(self.scenario, scen_stats).split('\n'))
class TestMaster(ScenarioFixture, TestCase):
maxDiff = None
def setUp(self):
# Set our test scenario differently from the default; must be BEFORE
# the super call.
self.scenario_dict = dict(
name='Master Test Scenario - ablkei',
sizes=[
dict(name='tiny', size_min=99, size_max=100),
dict(name='small', size_min=199, size_max=200),
dict(name='medium', size_min=299, size_max=300),
dict(name='large', size_min=399, size_max=400),
dict(name='huge', size_min=499, size_max=500)],
initial_files=dict(
tiny=300, small=300, medium=300, large=100, huge=70,
),
operation_count=5000,
# C R U D
crud_profile=[5, 3, 1, 1],
user_count=2,
)
super(TestMaster, self).setUp()
self.stub_queue = flexmock()
self.stub_queue.should_receive('watch').with_args(ssbench.STATS_TUBE).once
self.stub_queue.should_receive('ignore').with_args(ssbench.DEFAULT_TUBE).once
self.master = Master(self.stub_queue)
self.result_index = 1 # for self.gen_result()
self.stub_results = [
self.gen_result(1, ssbench.CREATE_OBJECT, 'small', 100.0, 101.0, 103.0),
self.gen_result(1, ssbench.READ_OBJECT, 'tiny', 103.0, 103.1, 103.8),
self.gen_result(1, ssbench.CREATE_OBJECT, 'huge', 103.8, 105.0, 106.0),
self.gen_result(1, ssbench.UPDATE_OBJECT, 'large', 106.1, 106.3, 106.4),
#
# exceptions should be ignored
dict(worker_id=2, type=ssbench.UPDATE_OBJECT, completed_at=39293.2, exception='wacky!'),
self.gen_result(2, ssbench.UPDATE_OBJECT, 'medium', 100.1, 100.9, 102.9),
self.gen_result(2, ssbench.DELETE_OBJECT, 'large', 102.9, 103.0, 103.3),
self.gen_result(2, ssbench.CREATE_OBJECT, 'tiny', 103.3, 103.4, 103.5),
self.gen_result(2, ssbench.READ_OBJECT, 'small', 103.5, 103.7, 104.0),
#
self.gen_result(3, ssbench.READ_OBJECT, 'tiny', 100.1, 101.1, 101.9),
# worker 3 took a while (observer lower concurrency in second 102
self.gen_result(3, ssbench.DELETE_OBJECT, 'small', 103.1, 103.6, 103.9),
self.gen_result(3, ssbench.READ_OBJECT, 'medium', 103.9, 104.2, 104.3),
self.gen_result(3, ssbench.UPDATE_OBJECT, 'tiny', 104.3, 104.9, 104.999),
]
def tearDown(self):
super(TestMaster, self).tearDown()
def gen_result(self, worker_id, op_type, size_str, start, first_byte,
last_byte):
self.result_index += 1
return {
# There are other keys in a "result", but these are the only ones
# used for the reporting.
'worker_id': worker_id,
'type': op_type,
'size_str': size_str,
'size': 989,
'first_byte_latency': first_byte - start,
'last_byte_latency': last_byte - start,
'completed_at': last_byte,
}
def test_calculate_scenario_stats_aggregate(self):
first_byte_latency_all = [1, 0.1, 1.2, 0.2, 0.8, 0.1, 0.1, 0.2, 1, 0.5, 0.3, 0.6]
last_byte_latency_all = [3, 0.8, 2.2, 0.3, 2.8, 0.4, 0.2, 0.5, 1.8, 0.8, 0.4, 0.699]
scen_stats = self.master.calculate_scenario_stats(self.scenario,
self.stub_results)
self.assertDictEqual(dict(
worker_count=3, start=100.0, stop=106.4, req_count=12,
avg_req_per_sec=round(12 / (106.4 - 100), 6),
first_byte_latency=dict(
min='%6.3f' % 0.1,
max='%7.3f' % 1.2,
avg='%7.3f' % stats.lmean(first_byte_latency_all),
std_dev='%7.3f' % stats.lsamplestdev(first_byte_latency_all),
median='%7.3f' % stats.lmedianscore(first_byte_latency_all),
),
last_byte_latency=dict(
min='%6.3f' % 0.2,
max='%7.3f' % 3.0,
avg='%7.3f' % stats.lmean(last_byte_latency_all),
std_dev='%7.3f' % stats.lsamplestdev(last_byte_latency_all),
median=' 0.749', # XXX why??
#median='%7.3f' % stats.lmedianscore(last_byte_latency_all),
),
), scen_stats['agg_stats'])
def test_calculate_scenario_stats_worker1(self):
w1_first_byte_latency = [1.0, 0.1, 1.2, 0.2]
w1_last_byte_latency = [3.0, 0.8, 2.2, 0.3]
scen_stats = self.master.calculate_scenario_stats(self.scenario,
self.stub_results)
self.assertDictEqual(dict(
start=100.0, stop=106.4, req_count=4,
avg_req_per_sec=round(4 / (106.4 - 100), 6),
first_byte_latency=dict(
min='%6.3f' % min(w1_first_byte_latency),
max='%7.3f' % max(w1_first_byte_latency),
avg='%7.3f' % stats.lmean(w1_first_byte_latency),
std_dev='%7.3f' % stats.lsamplestdev(w1_first_byte_latency),
median='%7.3f' % stats.lmedianscore(w1_first_byte_latency),
),
last_byte_latency=dict(
min='%6.3f' % min(w1_last_byte_latency),
max='%7.3f' % max(w1_last_byte_latency),
avg='%7.3f' % stats.lmean(w1_last_byte_latency),
std_dev='%7.3f' % stats.lsamplestdev(w1_last_byte_latency),
median='%7.3f' % stats.lmedianscore(w1_last_byte_latency),
),
), scen_stats['worker_stats'][1])
def test_calculate_scenario_stats_worker2(self):
w2_first_byte_latency = [0.8, 0.1, 0.1, 0.2]
w2_last_byte_latency = [2.8, 0.4, 0.2, 0.5]
scen_stats = self.master.calculate_scenario_stats(self.scenario,
self.stub_results)
self.assertDictEqual(dict(
start=100.1, stop=104.0, req_count=4,
avg_req_per_sec=round(4 / (104.0 - 100.1), 6),
first_byte_latency=dict(
min='%6.3f' % min(w2_first_byte_latency),
max='%7.3f' % max(w2_first_byte_latency),
avg='%7.3f' % stats.lmean(w2_first_byte_latency),
std_dev='%7.3f' % stats.lsamplestdev(w2_first_byte_latency),
median='%7.3f' % stats.lmedianscore(w2_first_byte_latency),
),
last_byte_latency=dict(
min='%6.3f' % min(w2_last_byte_latency),
max='%7.3f' % max(w2_last_byte_latency),
avg='%7.3f' % stats.lmean(w2_last_byte_latency),
std_dev='%7.3f' % stats.lsamplestdev(w2_last_byte_latency),
median='%7.3f' % stats.lmedianscore(w2_last_byte_latency),
),
), scen_stats['worker_stats'][2])
def test_calculate_scenario_stats_worker3(self):
w3_first_byte_latency = [1, 0.5, 0.3, 0.6]
w3_last_byte_latency = [1.8, 0.8, 0.4, 0.699]
scen_stats = self.master.calculate_scenario_stats(self.scenario,
self.stub_results)
self.assertDictEqual(dict(
start=100.1, stop=104.999, req_count=4,
avg_req_per_sec=round(4 / (104.999 - 100.1), 6),
first_byte_latency=dict(
min='%6.3f' % min(w3_first_byte_latency),
max='%7.3f' % max(w3_first_byte_latency),
avg='%7.3f' % stats.lmean(w3_first_byte_latency),
std_dev='%7.3f' % stats.lsamplestdev(w3_first_byte_latency),
median='%7.3f' % stats.lmedianscore(w3_first_byte_latency),
),
last_byte_latency=dict(
min='%6.3f' % min(w3_last_byte_latency),
max='%7.3f' % max(w3_last_byte_latency),
avg='%7.3f' % stats.lmean(w3_last_byte_latency),
std_dev='%7.3f' % stats.lsamplestdev(w3_last_byte_latency),
median='%7.3f' % stats.lmedianscore(w3_last_byte_latency),
),
), scen_stats['worker_stats'][3])
def test_calculate_scenario_stats_create(self):
# Stats for Create
c_first_byte_latency = [1, 1.2, 0.1]
c_last_byte_latency = [3.0, 2.2, 0.2]
scen_stats = self.master.calculate_scenario_stats(self.scenario,
self.stub_results)
self.assertDictEqual(dict(
start=100.0, stop=106.0, req_count=3,
avg_req_per_sec=round(3 / (106 - 100.0), 6),
first_byte_latency=dict(
min='%6.3f' % min(c_first_byte_latency),
max='%7.3f' % max(c_first_byte_latency),
avg='%7.3f' % stats.lmean(c_first_byte_latency),
std_dev='%7.3f' % stats.lsamplestdev(c_first_byte_latency),
median='%7.3f' % stats.lmedianscore(c_first_byte_latency),
),
last_byte_latency=dict(
min='%6.3f' % min(c_last_byte_latency),
max='%7.3f' % max(c_last_byte_latency),
avg='%7.3f' % stats.lmean(c_last_byte_latency),
std_dev='%7.3f' % stats.lsamplestdev(c_last_byte_latency),
median='%7.3f' % stats.lmedianscore(c_last_byte_latency),
),
size_stats=OrderedDict([
('tiny', {'avg_req_per_sec': 5.0,
'first_byte_latency': {'avg': '%7.3f' % 0.1,
'max': '%7.3f' % 0.1,
'median': '%7.3f' % 0.1,
'min': '%6.3f' % 0.1,
'std_dev': '%7.3f' % 0.0},
'last_byte_latency': {'avg': '%7.3f' % 0.2,
'max': '%7.3f' % 0.2,
'median': '%7.3f' % 0.2,
'min': '%6.3f' % 0.2,
'std_dev': '%7.3f' % 0.0},
'req_count': 1,
'start': 103.3,
'stop': 103.5}),
('small', {'avg_req_per_sec': 0.333333,
'first_byte_latency': {'avg': '%7.3f' % 1.0,
'max': '%7.3f' % 1.0,
'median': '%7.3f' % 1.0,
'min': '%6.3f' % 1.0,
'std_dev': '%7.3f' % 0.0},
'last_byte_latency': {'avg': '%7.3f' % 3.0,
'max': '%7.3f' % 3.0,
'median': '%7.3f' % 3.0,
'min': '%6.3f' % 3.0,
'std_dev': '%7.3f' % 0.0},
'req_count': 1,
'start': 100.0,
'stop': 103.0}),
('huge', {'avg_req_per_sec': 0.454545,
'first_byte_latency': {'avg': '%7.3f' % 1.2,
'max': '%7.3f' % 1.2,
'median': '%7.3f' % 1.2,
'min': '%6.3f' % 1.2,
'std_dev': '%7.3f' % 0.0},
'last_byte_latency': {'avg': '%7.3f' % 2.2,
'max': '%7.3f' % 2.2,
'median': '%7.3f' % 2.2,
'min': '%6.3f' % 2.2,
'std_dev': '%7.3f' % 0.0},
'req_count': 1,
'start': 103.8,
'stop': 106.0})]),
), scen_stats['op_stats'][ssbench.CREATE_OBJECT])
def test_calculate_scenario_stats_read(self):
# Stats for Read
r_first_byte_latency = [0.1, 0.2, 1.0, 0.3]
r_last_byte_latency = [0.8, 0.5, 1.8, 0.4]
scen_stats = self.master.calculate_scenario_stats(self.scenario,
self.stub_results)
self.assertDictEqual(dict(
start=100.1, stop=104.3, req_count=4,
avg_req_per_sec=round(4 / (104.3 - 100.1), 6),
first_byte_latency=dict(
min='%6.3f' % min(r_first_byte_latency),
max='%7.3f' % max(r_first_byte_latency),
avg='%7.3f' % stats.lmean(r_first_byte_latency),
std_dev='%7.3f' % stats.lsamplestdev(r_first_byte_latency),
median='%7.3f' % stats.lmedianscore(r_first_byte_latency),
),
last_byte_latency=dict(
min='%6.3f' % min(r_last_byte_latency),
max='%7.3f' % max(r_last_byte_latency),
avg='%7.3f' % stats.lmean(r_last_byte_latency),
std_dev='%7.3f' % stats.lsamplestdev(r_last_byte_latency),
median='%7.3f' % stats.lmedianscore(r_last_byte_latency),
),
size_stats=OrderedDict([
('tiny', {'avg_req_per_sec': 0.540541,
'first_byte_latency': {'avg': '%7.3f' % 0.55,
'max': '%7.3f' % 1.0,
'median': '%7.3f' % 0.55,
'min': '%6.3f' % 0.1,
'std_dev': '%7.3f' % 0.45},
'last_byte_latency': {'avg': '%7.3f' % 1.3,
'max': '%7.3f' % 1.8,
'median': '%7.3f' % 1.3,
'min': '%6.3f' % 0.8,
'std_dev': '%7.3f' % 0.5},
'req_count': 2,
'start': 100.1,
'stop': 103.8}),
('small', {'avg_req_per_sec': 2.0,
'first_byte_latency': {'avg': '%7.3f' % 0.2,
'max': '%7.3f' % 0.2,
'median': '%7.3f' % 0.2,
'min': '%6.3f' % 0.2,
'std_dev': '%7.3f' % 0.0},
'last_byte_latency': {'avg': '%7.3f' % 0.5,
'max': '%7.3f' % 0.5,
'median': '%7.3f' % 0.5,
'min': '%6.3f' % 0.5,
'std_dev': '%7.3f' % 0.0},
'req_count': 1,
'start': 103.5,
'stop': 104.0}),
('medium', {'avg_req_per_sec': 2.5,
'first_byte_latency': {'avg': '%7.3f' % 0.3,
'max': '%7.3f' % 0.3,
'median': '%7.3f' % 0.3,
'min': '%6.3f' % 0.3,
'std_dev': '%7.3f' % 0.0},
'last_byte_latency': {'avg': '%7.3f' % 0.4,
'max': '%7.3f' % 0.4,
'median': '%7.3f' % 0.4,
'min': '%6.3f' % 0.4,
'std_dev': '%7.3f' % 0.0},
'req_count': 1,
'start': 103.9,
'stop': 104.3})]),
), scen_stats['op_stats'][ssbench.READ_OBJECT])
def test_calculate_scenario_stats_update(self):
u_first_byte_latency = [0.2, 0.8, 0.6]
u_last_byte_latency = [0.3, 2.8, 0.699]
scen_stats = self.master.calculate_scenario_stats(self.scenario,
self.stub_results)
self.assertDictEqual(dict(
start=100.1, stop=106.4, req_count=3,
avg_req_per_sec=round(3 / (106.4 - 100.1), 6),
first_byte_latency=dict(
min='%6.3f' % min(u_first_byte_latency),
max='%7.3f' % max(u_first_byte_latency),
avg='%7.3f' % stats.lmean(u_first_byte_latency),
std_dev='%7.3f' % stats.lsamplestdev(u_first_byte_latency),
median='%7.3f' % stats.lmedianscore(u_first_byte_latency),
),
last_byte_latency=dict(
min='%6.3f' % min(u_last_byte_latency),
max='%7.3f' % max(u_last_byte_latency),
avg='%7.3f' % stats.lmean(u_last_byte_latency),
std_dev='%7.3f' % stats.lsamplestdev(u_last_byte_latency),
median='%7.3f' % stats.lmedianscore(u_last_byte_latency),
),
size_stats=OrderedDict([
('tiny', {'avg_req_per_sec': 1.430615,
'first_byte_latency': {'avg': '%7.3f' % 0.6,
'max': '%7.3f' % 0.6,
'median': '%7.3f' % 0.6,
'min': '%6.3f' % 0.6,
'std_dev': '%7.3f' % 0.0},
'last_byte_latency': {'avg': '%7.3f' % 0.699,
'max': '%7.3f' % 0.699,
'median': '%7.3f' % 0.699,
'min': '%6.3f' % 0.699,
'std_dev': '%7.3f' % 0.0},
'req_count': 1,
'start': 104.3,
'stop': 104.999}),
('medium', {'avg_req_per_sec': 0.357143,
'first_byte_latency': {'avg': '%7.3f' % 0.8,
'max': '%7.3f' % 0.8,
'median': '%7.3f' % 0.8,
'min': '%6.3f' % 0.8,
'std_dev': '%7.3f' % 0.0},
'last_byte_latency': {'avg': '%7.3f' % 2.8,
'max': '%7.3f' % 2.8,
'median': '%7.3f' % 2.8,
'min': '%6.3f' % 2.8,
'std_dev': '%7.3f' % 0.0},
'req_count': 1,
'start': 100.1,
'stop': 102.9}),
('large', {'avg_req_per_sec': 3.333333,
'first_byte_latency': {'avg': '%7.3f' % 0.2,
'max': '%7.3f' % 0.2,
'median': '%7.3f' % 0.2,
'min': '%6.3f' % 0.2,
'std_dev': '%7.3f' % 0.0},
'last_byte_latency': {'avg': '%7.3f' % 0.3,
'max': '%7.3f' % 0.3,
'median': '%7.3f' % 0.3,
'min': '%6.3f' % 0.3,
'std_dev': '%7.3f' % 0.0},
'req_count': 1,
'start': 106.1,
'stop': 106.4})]),
), scen_stats['op_stats'][ssbench.UPDATE_OBJECT])
def test_calculate_scenario_stats_delete(self):
d_first_byte_latency = [0.1, 0.5]
d_last_byte_latency = [0.4, 0.8]
scen_stats = self.master.calculate_scenario_stats(self.scenario,
self.stub_results)
self.assertDictEqual(dict(
start=102.9, stop=103.9, req_count=2,
avg_req_per_sec=round(2 / (103.9 - 102.9), 6),
first_byte_latency=dict(
min='%6.3f' % min(d_first_byte_latency),
max='%7.3f' % max(d_first_byte_latency),
avg='%7.3f' % stats.lmean(d_first_byte_latency),
std_dev='%7.3f' % stats.lsamplestdev(d_first_byte_latency),
median='%7.3f' % stats.lmedianscore(d_first_byte_latency),
),
last_byte_latency=dict(
min='%6.3f' % min(d_last_byte_latency),
max='%7.3f' % max(d_last_byte_latency),
avg='%7.3f' % stats.lmean(d_last_byte_latency),
std_dev='%7.3f' % stats.lsamplestdev(d_last_byte_latency),
median='%7.3f' % stats.lmedianscore(d_last_byte_latency),
),
size_stats=OrderedDict([
('small', {'avg_req_per_sec': 1.25,
'first_byte_latency': {'avg': '%7.3f' % 0.5,
'max': '%7.3f' % 0.5,
'median': '%7.3f' % 0.5,
'min': '%6.3f' % 0.5,
'std_dev': '%7.3f' % 0.0},
'last_byte_latency': {'avg': '%7.3f' % 0.8,
'max': '%7.3f' % 0.8,
'median': '%7.3f' % 0.8,
'min': '%6.3f' % 0.8,
'std_dev': '%7.3f' % 0.0},
'req_count': 1,
'start': 103.1,
'stop': 103.9}),
('large', {'avg_req_per_sec': 2.5,
'first_byte_latency': {'avg': '%7.3f' % 0.1,
'max': '%7.3f' % 0.1,
'median': '%7.3f' % 0.1,
'min': '%6.3f' % 0.1,
'std_dev': '%7.3f' % 0.0},
'last_byte_latency': {'avg': '%7.3f' % 0.4,
'max': '%7.3f' % 0.4,
'median': '%7.3f' % 0.4,
'min': '%6.3f' % 0.4,
'std_dev': '%7.3f' % 0.0},
'req_count': 1,
'start': 102.9,
'stop': 103.3})]),
), scen_stats['op_stats'][ssbench.DELETE_OBJECT])
def test_calculate_scenario_size_stats(self):
d_first_byte_latency = [0.1, 0.5]
d_last_byte_latency = [0.4, 0.8]
scen_stats = self.master.calculate_scenario_stats(self.scenario,
self.stub_results)
self.assertDictEqual(OrderedDict([
('tiny', {'avg_req_per_sec': 0.816493,
'first_byte_latency': {'avg': '%7.3f' % 0.45,
'max': '%7.3f' % 1.0,
'median': '%7.3f' % 0.35,
'min': '%6.3f' % 0.1,
'std_dev': '%7.3f' % 0.377492},
'last_byte_latency': {'avg': '%7.3f' % 0.87475,
'max': '%7.3f' % 1.8,
'median': '%7.3f' % 0.7494,
'min': '%6.3f' % 0.2,
'std_dev': '%7.3f' % 0.580485},
'req_count': 4,
'start': 100.1,
'stop': 104.999}),
('small', {'avg_req_per_sec': 0.75,
'first_byte_latency': {'avg': '%7.3f' % 0.566667,
'max': '%7.3f' % 1.0,
'median': '%7.3f' % 0.5,
'min': '%6.3f' % 0.2,
'std_dev': '%7.3f' % 0.329983},
'last_byte_latency': {'avg': '%7.3f' % 1.433333,
'max': '%7.3f' % 3.0,
'median': '%7.3f' % 0.8,
'min': '%6.3f' % 0.5,
'std_dev': '%7.3f' % 1.11455},
'req_count': 3,
'start': 100.0,
'stop': 104.0}),
('medium', {'avg_req_per_sec': 0.47619,
'first_byte_latency': {'avg': '%7.3f' % 0.55,
'max': '%7.3f' % 0.8,
'median': '%7.3f' % 0.55,
'min': '%6.3f' % 0.3,
'std_dev': '%7.3f' % 0.25},
'last_byte_latency': {'avg': '%7.3f' % 1.6,
'max': '%7.3f' % 2.8,
'median': '%7.3f' % 1.6,
'min': '%6.3f' % 0.4,
'std_dev': '%7.3f' % 1.2},
'req_count': 2,
'start': 100.1,
'stop': 104.3}),
('large', {'avg_req_per_sec': 0.571429,
'first_byte_latency': {'avg': '%7.3f' % 0.15,
'max': '%7.3f' % 0.2,
'median': '%7.3f' % 0.15,
'min': '%6.3f' % 0.1,
'std_dev': '%7.3f' % 0.05},
'last_byte_latency': {'avg': '%7.3f' % 0.35,
'max': '%7.3f' % 0.4,
'median': '%7.3f' % 0.35,
'min': '%6.3f' % 0.3,
'std_dev': '%7.3f' % 0.05},
'req_count': 2,
'start': 102.9,
'stop': 106.4}),
('huge', {'avg_req_per_sec': 0.454545,
'first_byte_latency': {'avg': '%7.3f' % 1.2,
'max': '%7.3f' % 1.2,
'median': '%7.3f' % 1.2,
'min': '%6.3f' % 1.2,
'std_dev': '%7.3f' % 0.0},
'last_byte_latency': {'avg': '%7.3f' % 2.2,
'max': '%7.3f' % 2.2,
'median': '%7.3f' % 2.2,
'min': '%6.3f' % 2.2,
'std_dev': '%7.3f' % 0.0},
'req_count': 1,
'start': 103.8,
'stop': 106.0})]),
scen_stats['size_stats'])
def test_calculate_scenario_stats_time_series(self):
# Time series (reqs completed each second
scen_stats = self.master.calculate_scenario_stats(self.scenario,
self.stub_results)
self.assertDictEqual(dict(
start=101,
data=[1, 1, 5, 3, 0, 2],
), scen_stats['time_series'])
def test_write_rps_histogram(self):
# Write out time series data (requests-per-second histogram) to an
# already open CSV file
scen_stats = self.master.calculate_scenario_stats(self.scenario,
self.stub_results)
test_csv_file = StringIO()
self.master.write_rps_histogram(scen_stats, test_csv_file)
test_csv_file.seek(0)
reader = csv.reader(test_csv_file)
self.assertListEqual([
["Seconds Since Start", "Requests Completed"],
['1', '1'],
['2', '1'],
['3', '5'],
['4', '3'],
['5', '0'],
['6', '2'],
], list(reader))
def test_generate_scenario_report(self):
# Time series (reqs completed each second
scen_stats = self.master.calculate_scenario_stats(self.scenario,
self.stub_results)
self.assertListEqual(u"""
Master Test Scenario - ablkei
C R U D Worker count: 3 Concurrency: 2
% 50 30 10 10
TOTAL
Count: 12 Average requests per second: 1.9
min max avg std_dev median
First-byte latency: 0.100 - 1.200 0.508 ( 0.386) 0.400 (all obj sizes)
Last-byte latency: 0.200 - 3.000 1.158 ( 0.970) 0.749 (all obj sizes)
First-byte latency: 0.100 - 1.000 0.450 ( 0.377) 0.350 (tiny objs)
Last-byte latency: 0.200 - 1.800 0.875 ( 0.580) 0.749 (tiny objs)
First-byte latency: 0.200 - 1.000 0.567 ( 0.330) 0.500 (small objs)
Last-byte latency: 0.500 - 3.000 1.433 ( 1.115) 0.800 (small objs)
First-byte latency: 0.300 - 0.800 0.550 ( 0.250) 0.550 (medium objs)
Last-byte latency: 0.400 - 2.800 1.600 ( 1.200) 1.600 (medium objs)
First-byte latency: 0.100 - 0.200 0.150 ( 0.050) 0.150 (large objs)
Last-byte latency: 0.300 - 0.400 0.350 ( 0.050) 0.350 (large objs)
First-byte latency: 1.200 - 1.200 1.200 ( 0.000) 1.200 (huge objs)
Last-byte latency: 2.200 - 2.200 2.200 ( 0.000) 2.200 (huge objs)
CREATE
Count: 3 Average requests per second: 0.5
min max avg std_dev median
First-byte latency: 0.100 - 1.200 0.767 ( 0.478) 1.000 (all obj sizes)
Last-byte latency: 0.200 - 3.000 1.800 ( 1.178) 2.200 (all obj sizes)
First-byte latency: 0.100 - 0.100 0.100 ( 0.000) 0.100 (tiny objs)
Last-byte latency: 0.200 - 0.200 0.200 ( 0.000) 0.200 (tiny objs)
First-byte latency: 1.000 - 1.000 1.000 ( 0.000) 1.000 (small objs)
Last-byte latency: 3.000 - 3.000 3.000 ( 0.000) 3.000 (small objs)
First-byte latency: 1.200 - 1.200 1.200 ( 0.000) 1.200 (huge objs)
Last-byte latency: 2.200 - 2.200 2.200 ( 0.000) 2.200 (huge objs)
READ
Count: 4 Average requests per second: 1.0
min max avg std_dev median
First-byte latency: 0.100 - 1.000 0.400 ( 0.354) 0.250 (all obj sizes)
Last-byte latency: 0.400 - 1.800 0.875 ( 0.554) 0.650 (all obj sizes)
First-byte latency: 0.100 - 1.000 0.550 ( 0.450) 0.550 (tiny objs)
Last-byte latency: 0.800 - 1.800 1.300 ( 0.500) 1.300 (tiny objs)
First-byte latency: 0.200 - 0.200 0.200 ( 0.000) 0.200 (small objs)
Last-byte latency: 0.500 - 0.500 0.500 ( 0.000) 0.500 (small objs)
First-byte latency: 0.300 - 0.300 0.300 ( 0.000) 0.300 (medium objs)
Last-byte latency: 0.400 - 0.400 0.400 ( 0.000) 0.400 (medium objs)
UPDATE
Count: 3 Average requests per second: 0.5
min max avg std_dev median
First-byte latency: 0.200 - 0.800 0.533 ( 0.249) 0.600 (all obj sizes)
Last-byte latency: 0.300 - 2.800 1.266 ( 1.097) 0.699 (all obj sizes)
First-byte latency: 0.600 - 0.600 0.600 ( 0.000) 0.600 (tiny objs)
Last-byte latency: 0.699 - 0.699 0.699 ( 0.000) 0.699 (tiny objs)
First-byte latency: 0.800 - 0.800 0.800 ( 0.000) 0.800 (medium objs)
Last-byte latency: 2.800 - 2.800 2.800 ( 0.000) 2.800 (medium objs)
First-byte latency: 0.200 - 0.200 0.200 ( 0.000) 0.200 (large objs)
Last-byte latency: 0.300 - 0.300 0.300 ( 0.000) 0.300 (large objs)
DELETE
Count: 2 Average requests per second: 2.0
min max avg std_dev median
First-byte latency: 0.100 - 0.500 0.300 ( 0.200) 0.300 (all obj sizes)
Last-byte latency: 0.400 - 0.800 0.600 ( 0.200) 0.600 (all obj sizes)
First-byte latency: 0.500 - 0.500 0.500 ( 0.000) 0.500 (small objs)
Last-byte latency: 0.800 - 0.800 0.800 ( 0.000) 0.800 (small objs)
First-byte latency: 0.100 - 0.100 0.100 ( 0.000) 0.100 (large objs)
Last-byte latency: 0.400 - 0.400 0.400 ( 0.000) 0.400 (large objs)
""".split('\n'), self.master.generate_scenario_report(self.scenario, scen_stats).split('\n'))
