[jira] [Commented] (LUCENE-9455) ExitableTermsEnum (in ExitableDirectoryReader) should sample next()

["Zach Chen (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LUCENE-9455?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17214417#comment-17214417 ] 

Zach Chen commented on LUCENE-9455:
-----------------------------------

This seems to be a good starter task for newbie. Can I pick this up?

> ExitableTermsEnum (in ExitableDirectoryReader) should sample next()
> -------------------------------------------------------------------
>
>                 Key: LUCENE-9455
>                 URL: https://issues.apache.org/jira/browse/LUCENE-9455
>             Project: Lucene - Core
>          Issue Type: Improvement
>          Components: core/other
>            Reporter: David Smiley
>            Priority: Major
>
> ExitableTermsEnum calls "checkAndThrow" on *every* call to next().  This is too expensive; it should sample.  I observed ElasticSearch uses the same approach; I think Lucene would benefit from this:
> https://github.com/elastic/elasticsearch/blob/4af4eb99e18fdaadac879b1223e986227dd2ee71/server/src/main/java/org/elasticsearch/search/internal/ExitableDirectoryReader.java#L151
> CC [~jimczi]



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