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Posted to dev@lucene.apache.org by "Gus Heck (JIRA)" <ji...@apache.org> on 2016/02/10 15:37:18 UTC

[jira] [Commented] (SOLR-8349) Allow sharing of large in memory data structures across cores

    [ https://issues.apache.org/jira/browse/SOLR-8349?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15140881#comment-15140881 ] 

Gus Heck commented on SOLR-8349:
--------------------------------

Can this make it into 6.0? I'm slightly surprised that a feature that can save memory, especially for nodes with large numbers of cores hasn't generated more interest. 

> Allow sharing of large in memory data structures across cores
> -------------------------------------------------------------
>
>                 Key: SOLR-8349
>                 URL: https://issues.apache.org/jira/browse/SOLR-8349
>             Project: Solr
>          Issue Type: Improvement
>          Components: Server
>    Affects Versions: 5.3
>            Reporter: Gus Heck
>         Attachments: SOLR-8349.patch
>
>
> In some cases search components or analysis classes may utilize a large dictionary or other in-memory structure. When multiple cores are loaded with identical configurations utilizing this large in memory structure, each core holds it's own copy in memory. This has been noted in the past and a specific case reported in SOLR-3443. This patch provides a generalized capability, and if accepted, this capability will then be used to fix SOLR-3443.



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