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From "Erick Erickson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-1028) Automatic core loading unloading for multicore
Date Thu, 06 Dec 2012 14:33:13 GMT

    [ https://issues.apache.org/jira/browse/SOLR-1028?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13511417#comment-13511417
] 

Erick Erickson commented on SOLR-1028:
--------------------------------------

When merging into 4.x, also include r: 1417907 for SOLR-4149

Dawid: What did I see somewhere? Something about "that which has been seen cannot be unseen"
Iron man meets the butler....
                
> Automatic core loading unloading for multicore
> ----------------------------------------------
>
>                 Key: SOLR-1028
>                 URL: https://issues.apache.org/jira/browse/SOLR-1028
>             Project: Solr
>          Issue Type: New Feature
>          Components: multicore
>    Affects Versions: 4.0, 5.0
>            Reporter: Noble Paul
>            Assignee: Erick Erickson
>             Fix For: 4.1, 5.0
>
>         Attachments: jenkins.jpg, SOLR-1028.patch, SOLR-1028.patch, SOLR-1028_testnoise.patch
>
>
> usecase: I have many small cores (say one per user) on a single Solr box . All the cores
are not be always needed . But when I need it I should be able to directly issue a search
request and the core must be STARTED automatically and the request must be served.
> This also requires that I must have an upper limit on the no:of cores that should be
loaded at any given point in time. If the limit is crossed the CoreContainer must unload a
core (preferably the least recently used core)  
> There must be a choice of specifying some cores as fixed. These cores must never be unloaded


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