[rabbitmq-discuss] Losing messages, why?
vertolet666 at yandex.ru
Sat Feb 26 08:12:04 GMT 2011
Jerry Kuch wrote:
> I think earlier in the thread we established that all of your
> consumers are consuming with noAck=true, so therefore everything
> should be getting ACK-ed as its consumed. That would be consistent
> with what we're seeing here, since there are no messages being
> reported as unacknowledged by rabbitmqctl. On the other hand, since a
> message has to be delivered before it can be ACK-ed, one would also
> think that the messages_ready (the second column from the right in
> your output) should also read zero.
> Has, perhaps, one of your consumers died? Or become busy and stopped
> consuming and acking from queue_name_2?
> To investigate try:
> rabbitmqctl list_consumers
I've found out that for some queues the values of "messages" and
"messages_ready" become grow up in time.
Here is the selective output:
# rabbitmqctl list_queues name messages messages_ready
allplayers-11334-1298702053625 137 137 0
Trying this command every 10-20 seconds:
allplayers-11334-1298702053625 148 148 0
allplayers-11334-1298702053625 177 177 0
allplayers-11334-1298702053625 246 246 0
Listing consumers for that queue:
# rabbitmqctl list_consumers
allplayers-11334-1298702053625 <rabbit at chessvegas.3.30209.103>
Hmmm... the consumer is not died.
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