[jira] [Commented] (SOLR-7256) Multiple data dirs

["Shalin Shekhar Mangar (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-7256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14365027#comment-14365027 ] 

Shalin Shekhar Mangar commented on SOLR-7256:
---------------------------------------------

It is already possible. You can use the addreplica Collection API with a custom dataDir. See https://cwiki.apache.org/confluence/display/solr/Collections+API#CollectionsAPI-api_addreplica

> Multiple data dirs
> ------------------
>
>                 Key: SOLR-7256
>                 URL: https://issues.apache.org/jira/browse/SOLR-7256
>             Project: Solr
>          Issue Type: New Feature
>    Affects Versions: 4.10.3
>         Environment: HDP 2.2 / HDP Search
>            Reporter: Hari Sekhon
>
> Request to support multiple dataDirs as indexing a large collection fills up only one of many disks in modern servers (think colocating on Hadoop servers with many disks).
> While HDFS is another alternative, it results in poor performance and index corruption under high online indexing loads (SOLR-7255).
> While it should be possible to do multiple cores with different dataDirs, that could be very difficult to manage and not humanly scale well, so I think Solr should support use of multiple dataDirs natively.
> Regards,
> Hari Sekhon
> http://www.linkedin.com/in/harisekhon



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