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https://issues.apache.org/jira/browse/LUCENE-10544?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17572569#comment-17572569
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Deepika Sharma edited comment on LUCENE-10544 at 7/28/22 5:15 PM:
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Since query timeout feature is implemented through `BulkScorer` class, should
there be changes made such that `ExitableTermsEnum` wraps `postings/impacts`
along with timeout checks in it?
was (Author: JIRAUSER288832):
Since query timeout feature is implemented through BulkScorer class, should
there be changes made such that ExitableTermsEnum wraps postings/impacts
along with timeout checks in it?
> Should ExitableTermsEnum wrap postings and impacts?
> ---------------------------------------------------
>
> Key: LUCENE-10544
> URL: https://issues.apache.org/jira/browse/LUCENE-10544
> Project: Lucene - Core
> Issue Type: Bug
> Components: core/index
> Reporter: Greg Miller
> Priority: Major
>
> While looking into options for LUCENE-10151, I noticed that
> {{ExitableDirectoryReader}} doesn't actually do any timeout checking once you
> start iterating postings/impacts. It *does* create a {{ExitableTermsEnum}}
> wrapper when loading a {{{}TermsEnum{}}}, but that wrapper doesn't do
> anything to wrap postings or impacts. So timeouts will be enforced when
> moving to the "next" term, but not when iterating the postings/impacts
> associated with a term.
> I think we ought to wrap the postings/impacts as well with some form of
> timeout checking so timeouts can be enforced on long-running queries. I'm not
> sure why this wasn't done originally (back in 2014), but it was questioned
> back in 2020 on the original Jira SOLR-5986. Does anyone know of a good
> reason why we shouldn't enforce timeouts in this way?
> Related, we may also want to wrap things like {{seekExact}} and {{seekCeil}}
> given that only {{next}} is being wrapped currently.
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