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https://issues.apache.org/jira/browse/SOLR-5795?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13916126#comment-13916126
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Hoss Man commented on SOLR-5795:
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The one hitch with this idea -- which is already a problem if you do the same
logic from an external client -- is that ass things stand today, if you do a
lot of periodic {{deleteByQuery}} commands with auto-commit, every one will
cause a new searcher to be opened, even if nothing was actually deleted -- but
it looks like we can fix that independently in SOLR-5783.
I'm going to tackle the design i laid out here once I get SOLR-5783 in shape
with enough tests that i'm comfortable committing.
> Option to periodically delete docs based on an expiration field -- or ttl
> specified when indexed.
> -------------------------------------------------------------------------------------------------
>
> Key: SOLR-5795
> URL: https://issues.apache.org/jira/browse/SOLR-5795
> Project: Solr
> Issue Type: New Feature
> Reporter: Hoss Man
> Assignee: Hoss Man
>
> A question I get periodically from people is how to automatically remove
> documents from a collection at a certain time (or after a certain amount of
> time).
> Excluding from search results using a filter query on a date field is
> trivial, but you still have to periodically send a deleteByQuery to clean up
> those older "expired" documents. And in the case where you want all
> documents to auto-expire some fixed amount of time when they were indexed,
> you still have to setup a simple UpdateProcessorto set that expiration date.
> So i've been thinking it would be nice if there was a simple way to configure
> solr to do it all for you.
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