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https://issues.apache.org/jira/browse/SOLR-7256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15316161#comment-15316161
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rex0zhao commented on SOLR-7256:
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user how to decide which shard put in which disk? why solr could't offer this
auto decide feature to creeate in one of multi disks.
> 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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