On 09/11/2013 04:22 PM, Christian Fromme wrote:
Hello list,I just noticed that the Qpid daemon gives me increasing numbers of messages being sent when using `qpid-stat -g`: Statistic Messages Bytes =============================================== queue-depth 0 0 total-enqueues 808 909,353 total-dequeues 808 909,353 persistent-enqueues 0 0 persistent-dequeues 0 0 transactional-enqueues 0 0 transactional-dequeues 0 0 flow-to-disk-depth 0 0 flow-to-disk-enqueues 0 0 flow-to-disk-dequeues 0 0 acquires 808 releases 0 discards-no-route 87,524 discards-ttl-expired 0 discards-limit-overflow 0 discards-ring-overflow 0 discards-lvq-replace 0 discards-subscriber-reject 0 discards-purged 0 reroutes 0 abandoned 2 abandoned-via-alt 0 Every few seconds, the count (currently 808) goes up. At the same time, the count of messages sent by my application to amq-topic exchange stays the same (observable with `qpid-stat -e`): exchange type dur bind msgIn msgOut msgDrop byteIn byteOut byteDrop =========================================================================================== direct 6 2 2 0 0 0 0 amq.direct direct Y 0 0 0 0 0 0 0 amq.fanout fanout Y 0 0 0 0 0 0 0 amq.match headers Y 0 0 0 0 0 0 0 amq.topic topic Y 2 479 681 1 0 0 0 qmf.default.direct direct 0 0 0 0 0 0 0 qmf.default.topic topic 1 44.3k 153 44.1k 0 0 0 qpid.management topic 0 44.1k 0 44.1k 0 0 0 Just to be sure, can this be caused by the "{reconnect:true,heartbeat:5}" options I used? So maybe it is the heartbeat messages I am seeing here? Or am I doing something wrong? I am a bit concerned by the high count of "discards-no-route".
No, its not the heartbeats, it looks like it is from the qmf.default.topic and qpid.management exchanges which each have dropped 44k messages. Using qpid-stat itself will generate quite a few messages. Also I suspect the high number of drops may be events that are generated but have no-one interested in receiving them.
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