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https://issues.apache.org/jira/browse/SOLR-8349?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15166522#comment-15166522
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Noble Paul commented on SOLR-8349:
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One problem I see with the patch is, with decoding the object in two different 
ways . What if core1 has decoder1 and core2  has decoder2. Then the second call 
gets the output of first decoder. That's why I kept a map internally so that it 
is possible to deal with that usecase. It may be unusual to do so , but, for 
sake of correctness we have to do it


> 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
>            Assignee: Noble Paul
>         Attachments: SOLR-8349.patch, SOLR-8349.patch, SOLR-8349.patch, 
> 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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