[rabbitmq-discuss] How can I set socket timeouts in PHP using the AMQP PHP extension?

Robin Harvey harvey.robin at gmail.com
Wed Jun 29 15:56:56 BST 2011

OK, I understand.  AFAIK, there's no way to do that in PHP without writing
an extension in C, is there?

On Wed, Jun 29, 2011 at 2:47 PM, Gavin M. Roy <gmr at myyearbook.com> wrote:

> Cool, I meant persistent, such as with the mysql_pconnect or
> pgsql_pconnect.
> Thanks for the work on amqphp, will look deeper at it for use in other
> areas. I'm glad there is an active, maintained client!
> Gavin
> On Wed, Jun 29, 2011 at 4:08 AM, Robin Harvey <harvey.robin at gmail.com>wrote:
>> BTW, Gavin, on this point:
>> > iirc the existing implementations do not have connection pooling
>> I've recently updated amqphp so that you can manage multiple connections
>> at the same time, so for example you can connect to and consume from 2 or
>> more different brokers at the same time.  There's a demo here:
>> https://github.com/BraveSirRobin/amqphp/blob/master/demos/demo-multi-consumer.php
>> Thanks,
>> --Robin
>> On Wed, Jun 29, 2011 at 4:08 AM, Gavin M. Roy <gmr at myyearbook.com> wrote:
>>> While not directly related to your question and you've not specified your
>>> use case, I have found trying to use native AMQP drivers in my PHP
>>> application as having too much overhead for connection management and iirc
>>> the existing implementations do not have connection pooling. This means lots
>>> of startup time and overhead on every request. To get around this we created
>>> a HTTP library that talks to the RabbitMQ JSON RPC Channel plugin. If all
>>> you are doing is publishing, you might want to check out VorpalBunny:
>>> https://github.com/myyearbook/VorpalBunny/
>>> As far as the underlying implementation, it's worth noting that the
>>> rabbitmq-c library is considered experimental. While we use it in our C
>>> applications in production, I can't say that we use the PHP extension on top
>>> of it. The PHP site has fatal errors for me right now so I can't look up to
>>> see which PHP extension the code is based on, otherwise I'd poke into the
>>> code and let you know if there are any timeout settings.
>>> Gavin
>>> On Tuesday, June 28, 2011 at 6:44 PM, Keith Krueger wrote:
>>> > I am using the PHP AMQP extension, as described here:
>>> >
>>> > http://php.net/manual/en/book.amqp.php
>>> >
>>> > This PHP extension uses the rabbitmq-c library as its underlying
>>> implementation.
>>> >
>>> > I would like to set socket timeouts for connection establishment and
>>> for each of my enqueues and dequeues. I want to do this in case our server
>>> performance degrades, to allow the clients to fail quickly rather than hang.
>>> >
>>> > Does anyone have experience doing this in a PHP environment? I have
>>> tried setting the PHP socket timeout as follows.
>>> >
>>> >  ini_set('default_socket_timeout', 5);
>>> >
>>> > This appears to have no impact on the PHP extension's timeout settings.
>>> I am still able to enqueue a multi-megabyte MQ message to rabbitmq without
>>> losing the socket connection. It takes about 75 seconds to enqueue this
>>> message, but the socket is kept open the entire time.
>>> >
>>> > Is there any support either in the PHP AMQP extension or in a different
>>> PHP setting that I can use to reduce the timeouts for our interactions with
>>> RabbitMQ? I'd rather not live with a potential problem of hanging client
>>> processes if I can avoid it.
>>> >
>>> > Thanks,
>>> >
>>> > -Keith
>>> >
>>> > _______________________________________________
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>>> rabbitmq-discuss at lists.rabbitmq.com)
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