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https://issues.apache.org/jira/browse/SOLR-880?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12925654#action_12925654
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Mike Anderson commented on SOLR-880:
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I'm not entirely clear on how START would differ from CREATE, and how STOP
would differ from UNLOAD. I gather there are certain tasks that occur in CREATE
that would be skipped in a START command, and that a START command could only
be issued on a STOPPED core, which had previously been CREATED (but not
UNLOADED).
This issue hasn't been touched in over a year, is it still thought to be the
right approach to improving multicore? What are the saving of START/STOP vs
CREATE/UNLOAD? is it an issue of speed? memory?
> SolrCore should have a STOP option and a lazy startup option
> ------------------------------------------------------------
>
> Key: SOLR-880
> URL: https://issues.apache.org/jira/browse/SOLR-880
> Project: Solr
> Issue Type: Improvement
> Components: multicore
> Reporter: Noble Paul
> Assignee: Shalin Shekhar Mangar
>
> * We must have an option to STOP and START a core.
> * a core should have an option of loadOnStartup=true|false. default should be
> true
> * A list command which can give the names of all cores and some meta
> information like status
> If there are too many cores (tens of thousands) where each of them may be
> used occassionally, we should not load all of them at once. In the runtime I
> should be able to STOP and START a core on demand. A listing command would
> let me know which one is present and what is up and what is down. A stopped
> core must not use any resource
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