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Posted to dev@lucene.apache.org by "Erick Erickson (JIRA)" <ji...@apache.org> on 2012/10/28 18:07:12 UTC
[jira] [Updated] (SOLR-1028) Automatic core loading unloading for
multicore
[ https://issues.apache.org/jira/browse/SOLR-1028?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Erick Erickson updated SOLR-1028:
---------------------------------
Attachment: SOLR-1028.patch
Patch attached. This will subsume SOLR-880, keeping them separate was more trouble than it was worth.
I'd like to commit this to trunk real soon now and let it bake a while before merging into 4.x. At least let it bake until after 4.0.1 or 4.1 (whatever) is cut.
> 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
> Reporter: Noble Paul
> Assignee: Erick Erickson
> Fix For: 4.1
>
> Attachments: SOLR-1028.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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