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From Mark Miller <>
Subject Re: Solr 4.0 SolrCloud with AWS Auto Scaling
Date Wed, 02 Jan 2013 23:47:57 GMT

On Jan 2, 2013, at 5:51 PM, Bill Au <> wrote:

> Is anyone running Solr 4.0 SolrCloud with AWS auto scaling?
> My concern is that as AWS auto scaling add and remove instances to
> SolrCloud, the number of nodes in SolrCloud Zookeeper config will grow
> indefinitely as removed instances will never be used again.  AWS auto
> scaling will keep on adding new instances, and there is no way to remove
> them from Zookeeper, right?

You can unload them and that removes them.

>  What's the effect of have all these phantom
> nodes?

Unless they are only replicas, they would need to be removed.

Also, unless you are using elastic ips, may
be of interest.

- Mark
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