some times, channel.queue_bind() takes 3 seconds

[simon-liu]

Here is the code:

    import time

    t0 = time.time()
    conn = Connection(host=conf.host, port=conf.port)

    t1 = time.time()
    channel = conn.channel()
    t2 = time.time()
    channel.exchange_declare(exchange=conf.exchange, type=conf.type, durable=conf.durable)
    t3 = time.time()
    channel.queue_declare(queue=conf.queue, durable=conf.durable)
    t4 = time.time()
    channel.queue_bind(queue=conf.queue, exchange=conf.exchange, routing_key=conf.routing_key)
    t5 = time.time()
    if t5 - t0 > 2:
        logger.info("Connection(): %s, conn.channel(): %s, channel.exchange_declare(): %s, channel.queue_declare(): %s, channel.queue_bind() %s", t5 - t4, t4 - t3, t3 - t2, t2 - t1, t1 - t0)

the log prints:
2013-01-08 18:18:00,229 INFO Connection(): 0.00176000595093, conn.channel(): 0.000516176223755, channel.exchange_declare(): 0.000393867492676, channel.queue_declare(): 0.000674962997437, channel.queue_bind() 3.14228796959

[ask]

Is this specific to librabbitmq though? I have seen the same before and rabbitmq developers told me it could be due to fsync.

[simon-liu]

sorry, I made a mistake, t1 - t0 is connecting time, not queue_bind time.