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From Mark Miller <markrmil...@gmail.com>
Subject Re: Solr 4.0 SolrCloud with AWS Auto Scaling
Date Thu, 03 Jan 2013 14:10:08 GMT

http://wiki.apache.org/solr/CoreAdmin#UNLOAD

- Mark

On Jan 3, 2013, at 9:06 AM, Bill Au <bill.w.au@gmail.com> wrote:

> Mark,
>     What do you mean by "unload them"?
> 
> I am using an AWS load balancer with my auto scaling group in stead of
> using Solr's built-in load balancer.  I am no sharding my index.  I am
> using SolrCloud for replication only.  I am doing local search on each
> instance and sending all updates to the shard leader directly because I
> want to minimize traffic between nodes during search and update
> 
> Bill
> 
> 
> On Wed, Jan 2, 2013 at 6:47 PM, Mark Miller <markrmiller@gmail.com> wrote:
> 
>> 
>> On Jan 2, 2013, at 5:51 PM, Bill Au <bill.w.au@gmail.com> 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,
>> https://issues.apache.org/jira/browse/SOLR-4078 may be of interest.
>> 
>> - Mark


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