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From Otis Gospodnetic <otis.gospodne...@gmail.com>
Subject Re: disaster recovery scenarios for solr cloud and zookeeper
Date Sat, 04 May 2013 00:05:04 GMT
I *think* at this point SolrCloud without ZooKeeper is like a .....
body without a head?

Otis
--
Solr & ElasticSearch Support
http://sematext.com/





On Fri, May 3, 2013 at 3:21 PM, Dennis Haller <dhaller@talenttech.com> wrote:
> Hi,
>
> Solr 4.x is architected with a dependency on Zookeeper, and Zookeeper is
> expected to have a very high (perfect?) availability. With 3 or 5 zookeeper
> nodes, it is possible to manage zookeeper maintenance and online
> availability to be close to %100. But what is the worst case for Solr if
> for some unanticipated reason all Zookeeper nodes go offline?
>
> Could someone comment on a couple of possible scenarios for which all ZK
> nodes are offline. What would happen to Solr and what would be needed to
> recover in each case?
> 1) brief interruption, say <2 minutes,
> 2) longer downtime, say 60 min
>
> Thanks
> Dennis

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