1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
# --------------------------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for license information.
# --------------------------------------------------------------------------------------------
import asyncio
import os
import dotenv
import logging
from logging.handlers import RotatingFileHandler
import time
from azure.eventhub.aio import EventHubConsumerClient
from azure.identity.aio import DefaultAzureCredential
logger = logging.getLogger("ASYNC_RECEIVE_PERF_TEST")
logger.setLevel(logging.INFO)
logger.addHandler(RotatingFileHandler("async_receive_perf_test.log"))
dotenv.load_dotenv()
NAMESPACES = [
os.environ["EVENT_HUB_NAMESPACE_BASIC_NORTHEU"],
os.environ["EVENT_HUB_NAMESPACE_STANDARD_NORTHEU"],
os.environ["EVENT_HUB_NAMESPACE_BASIC_WESTUS2"],
os.environ["EVENT_HUB_NAMESPACE_STANDARD_WESTUS2"],
]
EH_NAME_EVENT_SIZE_PAIR = [
("pyamqp_512", 512),
]
PREFETCH_LIST = [300, 3000]
PARTITION_ID = "0"
RUN_DURATION = 30
FIXED_AMOUNT = 100_000
async def receive_fixed_time_interval(
fully_qualified_namespace,
eventhub_name,
credential,
single_event_size,
prefetch=300,
batch_receiving=False,
description=None,
run_duration=30,
partition_id="0",
):
consumer_client = EventHubConsumerClient(
fully_qualified_namespace=fully_qualified_namespace,
eventhub_name=eventhub_name,
credential=credential,
consumer_group="$Default",
)
last_received_count = [0]
received_count = [0]
run_flag = [True]
all_perf_records = []
check_interval = 1
async def on_event(partition_context, event):
received_count[0] += 1
async def on_event_batch(partition_context, events):
received_count[0] += len(events)
async def monitor():
while run_flag[0]:
snap = received_count[0]
perf = (snap - last_received_count[0]) / check_interval
last_received_count[0] = snap
all_perf_records.append(perf)
await asyncio.sleep(check_interval)
target = consumer_client.receive_batch if batch_receiving else consumer_client.receive
kwargs = {
"partition_id": partition_id,
"starting_position": "-1", # "-1" is from the beginning of the partition.
"prefetch": prefetch,
}
if batch_receiving:
kwargs["max_batch_size"] = prefetch
kwargs["on_event_batch"] = on_event_batch
else:
kwargs["on_event"] = on_event
recv_future = asyncio.create_task(target(**kwargs))
monitor_future = asyncio.create_task(monitor())
await asyncio.sleep(run_duration)
await consumer_client.close()
run_flag[0] = False
await recv_future
await monitor_future
valid_perf_records = all_perf_records[10:] # skip the first 10 records to let the receiving program be stable
avg_perf = sum(valid_perf_records) / len(valid_perf_records)
logger.info(
"EH Namespace: {}.\nMethod: {}, The average performance is {} events/s, throughput: {} bytes/s.\n"
"Configs are: Single message size: {} bytes, Run duration: {} seconds, Batch: {}.\n"
"Prefetch: {}".format(
fully_qualified_namespace,
description or "receive_fixed_time_interval",
avg_perf,
avg_perf * single_event_size,
single_event_size,
run_duration,
batch_receiving,
prefetch,
)
)
async def receive_fixed_amount(
fully_qualified_namespace,
eventhub_name,
credential,
single_event_size,
prefetch=300,
batch_receiving=False,
description=None,
partition_id="0",
run_times=1,
fixed_amount=100_000,
):
consumer_client = EventHubConsumerClient(
fully_qualified_namespace=fully_qualified_namespace,
eventhub_name=eventhub_name,
credential=credential,
consumer_group="$Default",
)
perf_records = []
received_count = [0]
async def on_event(partition_context, event):
received_count[0] += 1
if received_count[0] == fixed_amount:
await consumer_client.close()
async def on_event_batch(partition_context, events):
received_count[0] += len(events)
if received_count[0] >= fixed_amount:
await consumer_client.close()
for i in range(run_times):
start_time = time.time()
async with consumer_client:
if batch_receiving:
await consumer_client.receive_batch(
on_event_batch=on_event_batch,
partition_id=partition_id,
starting_position="-1",
max_batch_size=prefetch,
prefetch=prefetch,
)
else:
await consumer_client.receive(
on_event=on_event, partition_id=partition_id, starting_position="-1", prefetch=prefetch
)
end_time = time.time()
total_time = end_time - start_time
speed = fixed_amount / total_time
perf_records.append(speed)
received_count[0] = 0
avg_perf = sum(perf_records) / len(perf_records)
logger.info(
"EH Namespace: {}.\nMethod: {}, The average performance is {} events/s, throughput: {} bytes/s.\n"
"Configs are: Single message size: {} bytes, Total events to receive: {}, Batch: {}.\n"
"Prefetch: {}".format(
fully_qualified_namespace,
description or "receive_fixed_amount",
avg_perf,
avg_perf * single_event_size,
single_event_size,
fixed_amount,
batch_receiving,
prefetch,
)
)
if __name__ == "__main__":
for namespace in NAMESPACES:
for eh_name, single_event_size in EH_NAME_EVENT_SIZE_PAIR:
for prefetch in PREFETCH_LIST:
for batch_receiving in [True, False]:
print("------------------- receiving fixed amount -------------------")
asyncio.run(
receive_fixed_amount(
fully_qualified_namespace=namespace,
eventhub_name=eh_name,
credential=DefaultAzureCredential(),
single_event_size=single_event_size,
prefetch=prefetch,
batch_receiving=batch_receiving,
fixed_amount=FIXED_AMOUNT,
)
)
print("------------------- receiving fixed interval -------------------")
asyncio.run(
receive_fixed_time_interval(
fully_qualified_namespace=namespace,
eventhub_name=eh_name,
credential=DefaultAzureCredential(),
single_event_size=single_event_size,
prefetch=prefetch,
batch_receiving=batch_receiving,
run_duration=RUN_DURATION,
)
)
|
