Recompile

This commit is contained in:
Marek Majkowski 2010-10-06 16:57:00 +01:00
parent 1636942b5d
commit b92e41c751
2 changed files with 20 additions and 0 deletions

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@ -201,6 +201,7 @@ channel.basic_publish(exchange='logs',
body=message)
print &quot; [x] Sent %r&quot; % (message,)</code></pre></div>
[(full emit_log.py source)](http://github.com/rabbitmq/rabbitmq-tutorials/blob/master/python/emit_log.py)
As you see, we avoided declaring exchange. If the `logs` exchange
isn't created at the time this code is executed the message will be
@ -236,6 +237,7 @@ channel.basic_consume(callback,
pika.asyncore_loop()</code></pre></div>
[(full receive_logs.py source)](http://github.com/rabbitmq/rabbitmq-tutorials/blob/master/python/receive_logs.py)
We're done. If you want to save logs to a file, just open a console and type:

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@ -148,6 +148,21 @@ Using that code we may be sure that even if you kill a worker using
CTRL+C while it was processing a message, it will won't be lost. Soon
after the worker dies all unacknowledged messages will be redispatched.
> #### Forgotten acknowledgment
>
> It's a pretty common mistake to miss `basic_ack`. It's an easy error,
> but the consequences are serious. Messages will be redelivered
> when your client quits (which may look like random redelivery),
> Rabbit will eat more and more memory as it won't be able to release
> any unacked messages.
>
> In order to debug this kind of mistakes you may use `rabbitmqctl`
> to print `messages_unacknowledged` field:
>
> $ sudo rabbitmqctl list_queues name messages_ready messages_unacknowledged
> Listing queues ...
> test 0 0
> ...done.
Message durability
------------------
@ -251,6 +266,8 @@ channel.basic_publish(exchange='', routing_key='test',
))
print &quot; [x] Sent %r&quot; % (message,)</code></pre></div>
[(full new_task.py source)](http://github.com/rabbitmq/rabbitmq-tutorials/blob/master/python/new_task.py)
And our worker:
@ -278,6 +295,7 @@ channel.basic_consume(callback,
pika.asyncore_loop()</code></pre></div>
[(full worker.py source)](http://github.com/rabbitmq/rabbitmq-tutorials/blob/master/python/worker.py)
Using message acknowledgments and `prefetch_count` you may set up