Ideally, the Solr nodes should be able to continue as long as no node fails. Failure of a leader would be bad, failure of non-leader replicas might cause some timeouts, but could be survivable.
Of course, nodes could not be added. wunder On May 3, 2013, at 5:05 PM, Otis Gospodnetic wrote: > 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 <dhal...@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 -- Walter Underwood wun...@wunderwood.org
