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Cassandra Targett commented on SOLR-7095: ----------------------------------------- It feels to me like this has been implemented with CDCR, especially now that it supports bidirectional updates? > Disaster Recovery native online cross-site replication for NRT SolrCloud > ------------------------------------------------------------------------ > > Key: SOLR-7095 > URL: https://issues.apache.org/jira/browse/SOLR-7095 > Project: Solr > Issue Type: New Feature > Affects Versions: 4.10 > Reporter: Hari Sekhon > Priority: Major > > Feature request to add native online cross-site DR support for NRT SolrCloud. > Currently NRT DR recovery requires taking down the recovering cluster > including halting any new indexing, changing zookeeper emsembles to the other > datacenter for one node per shard to replicate, then taking down again to > switch back to local DC zookeeper ensemble after shard has caught up. This is > a relatively difficult/tedious manual operation to perform and seems > impossible to get completely up to date in scenarios with constant new update > requests arriving during downtime of switching back to local DC's zookeeper > ensemble, therefore preventing 100% accurate catch up. > There will be trade-offs such as making cross-site replication async to avoid > update latency penalty, and may require a last-write-wins type scenario like > Cassandra. > Regards, > Hari Sekhon > http://www.linkedin.com/in/harisekhon -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org For additional commands, e-mail: dev-h...@lucene.apache.org