(Tested in icehouse) On Tue, Oct 14, 2014 at 4:50 PM, Aaron Knister <[email protected]> wrote:
> For those of you following alone at home-- I just discovered that durable > queues are particularly nice for nova scheduler. Without them an outage of > either the MQ daemon (qpid in my case) or the scheduler itself can cause > the scheduling requests to get dropped on the floor. With durability the > instance gets scheduled when the broker or the scheduler come back to life. > > On Tue, Oct 14, 2014 at 3:32 PM, Gordon Sim <[email protected]> wrote: > >> On 10/14/2014 07:36 PM, Aaron Knister wrote: >> >>> With RabbitMQ if a message is silently dropped by the broker will a >>> timeout still occur/exception be raised because no reply/ack was >>> received? >>> >>> With the QPID driver the automatic ack()'s Sandy mentioned don't occur? >>> Will the sender eventually become aware that a message was lost? I'll >>> take a timeout over a silent message drop any day. >>> >> >> Yes, for an RPC 'call' (i.e. not a cast, which has no reply) the call >> will block until the response is received or the timeout expires. In the >> latter case an exception is raised. This is independent of which driver is >> used. >> >> >
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