- From: Joseph Holsten <
- Subject: [chef] Re: expander redundancy
- Date: Thu, 5 Apr 2012 17:25:35 +0000
On 2012-04-05, at 15:21, Daniel DeLeo wrote:
> On Wednesday, April 4, 2012 at 6:20 PM, Reichert, Wil wrote:
>> I'm running chef .10.8 and trying to configure 2 expanders to each pull
>> messages off rabbit & populate 2 independent solr instances.
> I don't think this is possible any longer. As you've seen, expander refuses
> to operate when there are other consumers on the queues, this is a safety
> feature to prevent data loss if the cluster somehow gets in a bad state.
Sorry to derail, but are you saying the amqp queues are flagged exclusive,
and the consumers use a no-ack of false? Wouldn't we get the same safety if
we switched both of those settings, use durable queues and (possibly)
messages flagged persistent?
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