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jefferyyuan commented on SOLR-6205: ----------------------------------- Make Solr rack awareness can help prevent data loss and improve query performance. Elastic-search already supported it: https://www.elastic.co/guide/en/elasticsearch/reference/5.4/allocation-awareness.html > Make SolrCloud Data-center, rack or zone aware > ---------------------------------------------- > > Key: SOLR-6205 > URL: https://issues.apache.org/jira/browse/SOLR-6205 > Project: Solr > Issue Type: New Feature > Components: SolrCloud > Affects Versions: 4.8.1 > Reporter: Arcadius Ahouansou > Assignee: Noble Paul > > Use case: > Let's say we have SolrCloud deployed across 2 Datacenters, racks or zones A > and B > There is a need to have a SolrCloud deployment that will make it possible to > have a working system even if one of the Datacenter/rack/zone A or B is lost. > - This has been discussed on the mailing list at > http://lucene.472066.n3.nabble.com/SolrCloud-multiple-data-center-support-td4115097.html > and there are many workarounds that require adding more moving parts to the > system. > - On the above thread, Daniel Collins mentioned > https://issues.apache.org/jira/browse/ZOOKEEPER-107 > which could help solve this issue. > - Note that this is a very important feature that is overlooked most of the > time. > - Note that this feature is available in ElasticSearch. > See > http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/modules-cluster.html#allocation-awareness > and > http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/modules-cluster.html#forced-awareness -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org For additional commands, e-mail: dev-h...@lucene.apache.org