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Posted to dev@lucene.apache.org by "jefferyyuan (JIRA)" <ji...@apache.org> on 2017/10/04 17:53:01 UTC
[jira] [Comment Edited] (SOLR-6205) Make SolrCloud Data-center,
rack or zone aware
[ https://issues.apache.org/jira/browse/SOLR-6205?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16191698#comment-16191698 ]
jefferyyuan edited comment on SOLR-6205 at 10/4/17 5:53 PM:
------------------------------------------------------------
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
And a lot of projects support this: Hadoop, Cassandra, Kafka etc.
was (Author: yuanyun.cn):
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
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