Update example.py to compile, add friendly load_example.py

This commit is contained in:
Mark Roberts
2014-02-25 01:02:39 -08:00
parent e5fdc1c7b2
commit ee7e86ea71
2 changed files with 92 additions and 13 deletions

48
example.py Normal file → Executable file
View File

@@ -1,23 +1,45 @@
import logging
#!/usr/bin/env python
import threading, logging, time
from kafka.client import KafkaClient, FetchRequest, ProduceRequest
from kafka.client import KafkaClient
from kafka.consumer import SimpleConsumer
from kafka.producer import SimpleProducer
def produce_example(client):
producer = SimpleProducer(client, "my-topic")
producer.send_messages("test")
class Producer(threading.Thread):
daemon = True
def consume_example(client):
consumer = SimpleConsumer(client, "test-group", "my-topic")
for message in consumer:
print(message)
def run(self):
client = KafkaClient("localhost", 9092)
producer = SimpleProducer(client)
while True:
producer.send_messages('my-topic', "test")
producer.send_messages('my-topic', "\xc2Hola, mundo!")
time.sleep(1)
class Consumer(threading.Thread):
daemon = True
def run(self):
client = KafkaClient("localhost", 9092)
consumer = SimpleConsumer(client, "test-group", "my-topic")
for message in consumer:
print(message)
def main():
client = KafkaClient("localhost", 9092)
produce_example(client)
consume_example(client)
threads = [
Producer(),
Consumer()
]
for t in threads:
t.start()
time.sleep(5)
if __name__ == "__main__":
logging.basicConfig(level=logging.DEBUG)
logging.basicConfig(level=logging.WARN)
main()

57
load_example.py Executable file
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@@ -0,0 +1,57 @@
#!/usr/bin/env python
import threading, logging, time, collections
from kafka.client import KafkaClient
from kafka.consumer import SimpleConsumer
from kafka.producer import SimpleProducer
msg_size = 524288
class Producer(threading.Thread):
daemon = True
big_msg = "1" * msg_size
def run(self):
client = KafkaClient("localhost", 9092)
producer = SimpleProducer(client)
self.sent = 0
while True:
producer.send_messages('my-topic', self.big_msg)
self.sent += 1
class Consumer(threading.Thread):
daemon = True
def run(self):
client = KafkaClient("localhost", 9092)
consumer = SimpleConsumer(client, "test-group", "my-topic",
max_buffer_size = None,
)
self.valid = 0
self.invalid = 0
for message in consumer:
if len(message.message.value) == msg_size:
self.valid += 1
else:
self.invalid += 1
def main():
threads = [
Producer(),
Consumer()
]
for t in threads:
t.start()
time.sleep(10)
print 'Messages sent: %d' % threads[0].sent
print 'Messages recvd: %d' % threads[1].valid
print 'Messages invalid: %d' % threads[1].invalid
if __name__ == "__main__":
logging.basicConfig(level=logging.DEBUG)
main()