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https://issues.apache.org/jira/browse/SOLR-371?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Erick Erickson closed SOLR-371.
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Resolution: Won't Fix
Cleaning up old JIRAs, re-open if necessary. Exists binary type now.
> trigger arbitrary events by name through http interface
> -------------------------------------------------------
>
> Key: SOLR-371
> URL: https://issues.apache.org/jira/browse/SOLR-371
> Project: Solr
> Issue Type: Improvement
> Reporter: Daniel Wu
>
> There are operational needs to trigger execution of some programs or scripts
> on any Solr instance. For example, triggering a commit at the index
> transaction boundary instead of relaying on post commit hook or cron jobs,
> triggering snap pulling on demand or disable snap pulling, etc...
> This obviously can be done through remote script execution over ssh.
> However, the client will need to have in-depth knowledge about the Solr
> instances it interacts with. The complexity incleases when there are
> multiple indexes and instances for the client to manage.
> If the request can be submitted through Solr HTTP interface, there can be
> many benefits. It encapsulated many detail of the Solr instances to the
> triggering client such as the physical location of the Solr instances,
> machine architecture, authencation, communication channel, etc...
> Per Chris Hostetter, --
> The existing postCommit/postOptimizefirstSearcher/newSearcher event listener
> tracking are part of hte SolrCore because it needs to know about them when
> managing the index ... but if you just wanted a way to trigger arbitrary
> events by name, the utility functions used in SolrCore could be reused by a
> custom plugin ... then you could reuse things like the RunExecutableListener
> from your own RequestHandler with the same solrconfig.xml syntax.
> that would be a pretty cool addition to Solr ... an "EventRequestHandler"
> that takes in a single "event" param and triggers all of the Listeners
> configured for that even in the solrconfig.xml
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