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Posted to dev@lucene.apache.org by "Shalin Shekhar Mangar (JIRA)" <ji...@apache.org> on 2018/03/15 17:39:00 UTC

[jira] [Resolved] (SOLR-12098) Document the Lucene spins auto-detection and its effect on CMS dynamic defaults

     [ https://issues.apache.org/jira/browse/SOLR-12098?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shalin Shekhar Mangar resolved SOLR-12098.
------------------------------------------
    Resolution: Fixed
      Assignee: Shalin Shekhar Mangar

Thanks Cassandra!

> Document the Lucene spins auto-detection and its effect on CMS dynamic defaults
> -------------------------------------------------------------------------------
>
>                 Key: SOLR-12098
>                 URL: https://issues.apache.org/jira/browse/SOLR-12098
>             Project: Solr
>          Issue Type: Task
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: documentation
>            Reporter: Shalin Shekhar Mangar
>            Assignee: Shalin Shekhar Mangar
>            Priority: Major
>             Fix For: 7.3, master (8.0)
>
>         Attachments: SOLR-12098.patch, SOLR-12098.patch
>
>
> Lucene auto-detects whether the underlying directory is on a rotational or SSD type disk and based on that it sets defaults for ConcurrentMergeScheduler. We should document this and the system property based workaround in the Taking Solr to Production page (and perhaps also in solrconfig.xml sections)



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