Hi,
Let me know for your opinion about this .
Thanks & regards,
Keshava.A
From: A, Keshava
Sent: Friday, May 30, 2014 10:59 AM
To: OpenStack Development Mailing List (not for usage questions)
Cc: A, Keshava
Subject: [openstack-dev] Number of RabbitMQ connection : Some connection
without consumers ?
Hi,
It is observed that RabbitMQ "number of connection" will vary and sometime
connection without any consumers.
OpenStack controller connected to 2 compute nodes ( each with a VM) and NN node
scenario.
1. RabbitMQ connection will vary (like 6, 7, 8 connection) w.r.t one
Compute-Node.
For as many number of 'X + N' connection there are X number of consumer ?
2. For 2-3 connections there are no consumers. But the connection
continue to exist.
Question:
A.
Is it the behavior it is observed ? Is it because stale of connection ?
Or message is getting Time-out ( TTL) in the Queue and once its timed out it
cannot fetched out and cannot delivered to consumers, because of this
connection remain stale ?
Uncleaned Socket connection ?
B. Who creates some of the reply queues (ex :
reply_844c53cf0eb54b5b9abf1e3b4b3a0404) and which point of time ?
How to know this ?
Below are the data collected from rabbit-MQ.
Compute Node-1:- (100.10.10.51)
==============
1. On the connection 100.10.10.51:40488 -> 100.10.10.53:5672
queue :
q-agent-notifier-network-delete_fanout_19cd5e739c1d49d5bae4b1c24026ae2b
q-agent-notifier-port-update_fanout_c970ccc903364b14a8b6ff44a8cb9f2f
q-agent-notifier-security_group-update_fanout_57f9d018da9e4f9b8b7f33259c60692b
q-agent-notifier-tunnel-update_fanout_5705b3b7de7d46cb9650706332405955
2. On the connection 100.10.10.51:40485 -> 100.10.10.53:5672 (1)
Queue:
compute.sdn-keshava-cn1
compute_fanout_b092ea21d2dc425ca13b376d1731df9f
3. On the connection 100.10.10.51:40484 -> 100.10.10.53:5672 (1)
queue:
There is no consumers .
4.On the Connection 100.10.10.51:40486 -> 100.10.10.53:5672
queue:
reply_844c53cf0eb54b5b9abf1e3b4b3a0404
5.On the connection 100.10.10.51:40487 -> 100.10.10.53:5672
queue:
reply_77584ebd2bc143db922830683df65c89
6.On the Connection 100.10.10.51:40489 -> 100.10.10.53:5672
Queue:
There are no consumers.
Thanks & regards,
Keshava.A
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