[Openstack-operators] [openstack-dev] Which is the correct way to set ha queues in RabbitMQ
Alvise Dorigo
alvise.dorigo at pd.infn.it
Tue Jul 28 08:43:39 UTC 2015
Hi Vishal,
do you have a effective recipe to test if the rabbitmq's HA ?
I've three instances of it; I've also nova, cinder and neutron
configured with rabbit_ha_queues = true.
Just restarting a rabbit instance seems not to be sufficient to test a
real case scenario, is it ?
any advice ?
thanks,
Alvise
On 28/07/2015 09:46, vishal yadav wrote:
> You're welcome :)
>
> On Tue, Jul 28, 2015 at 1:15 PM, Alvise Dorigo
> <alvise.dorigo at pd.infn.it <mailto:alvise.dorigo at pd.infn.it>> wrote:
>
> thank you very much Vishal.
>
> A.
>
>
> On 28/07/2015 09:41, vishal yadav wrote:
>> >> "ha_all" vs. "HA".
>> >> which one is correct ?
>>
>> That's the policy name, you can name anything...
>>
>> Excerpt from 'man rabbitmqctl'
>> ...
>> set_policy [-p vhostpath] {name} {pattern} {definition} [priority]
>> Sets a policy.
>>
>> name
>> The name of the policy.
>>
>> pattern
>> The regular expression, which when matches on a
>> given resources causes the policy to apply.
>>
>> definition
>> The definition of the policy, as a JSON term. In
>> most shells you are very likely to need to quote this.
>>
>> priority
>> The priority of the policy as an integer,
>> defaulting to 0. Higher numbers indicate greater precedence.
>> ...
>>
>> Regards,
>> Vishal
>>
>>
>> On Tue, Jul 28, 2015 at 12:47 PM, Alvise Dorigo
>> <alvise.dorigo at pd.infn.it <mailto:alvise.dorigo at pd.infn.it>> wrote:
>>
>> Hi,
>> I read these two documents:
>>
>> http://docs.openstack.org/high-availability-guide/content/_configure_rabbitmq.html
>>
>> https://www.rdoproject.org/RabbitMQ
>>
>> To configure the queues in HA mode, the two docs suggests two
>> slightly different commands;
>>
>> The first one says:
>>
>> rabbitmqctl set_policy ha-all '^(?!amq\.).*' '{"ha-mode": "all"}'
>>
>>
>> while the second one says:
>>
>> rabbitmqctl set_policy HA '^(?!amq\.).*' '{"ha-mode": "all"}'
>>
>>
>> "ha_all" vs. "HA".
>>
>> which one is correct ?
>>
>> thanks,
>>
>> Alvise
>>
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