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Posted to issues@lucene.apache.org by "Adrien Grand (Jira)" <ji...@apache.org> on 2019/11/03 09:09:00 UTC
[jira] [Commented] (LUCENE-9036) ExitableDirectoryReader to
interrupt DocValues as well
[ https://issues.apache.org/jira/browse/LUCENE-9036?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16965628#comment-16965628 ]
Adrien Grand commented on LUCENE-9036:
--------------------------------------
+1 ExitableDirectoryReader should try to handle all data-structures consistently. I think it hasn't been suggested before because doc values are often consumed via a collector and we already have a TimeLimitingCollector, but like you mentioned Solr's analytics component or the Lucene facet module consume doc values without a collector so adding support for timeout on doc values could be useful. Checking every N-th doc would make sense to me as you would otherwise never be able to interrupt execution of queries if the index has been force-merged down to 1 segment.
> ExitableDirectoryReader to interrupt DocValues as well
> ------------------------------------------------------
>
> Key: LUCENE-9036
> URL: https://issues.apache.org/jira/browse/LUCENE-9036
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Mikhail Khludnev
> Priority: Major
>
> This allow to make AnalyticsComponent and json.facet sensitive to time allowed.
> Does it make sense? Is it enough to check on DV creation ie per field/segment or it's worth to check every Nth doc?
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