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https://issues.apache.org/jira/browse/LUCENE-9156?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17020365#comment-17020365
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Jack Conradson commented on LUCENE-9156:
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I would like try and take this issue if that's all right.
> Bound the number of impacts per block
> -------------------------------------
>
> Key: LUCENE-9156
> URL: https://issues.apache.org/jira/browse/LUCENE-9156
> Project: Lucene - Core
> Issue Type: Task
> Reporter: Adrien Grand
> Priority: Minor
>
> Today we write all competitive impacts in skip lists. Maybe we should be more
> cautious: in the worst-case scenario, there could be as many impacts as
> postings in a block and this would not only waste space but also slow down
> queries due to the time it would take to decode all these impacts.
> One idea would be to merge all impacts pairwise, taking the maximum term
> frequency and the minimum norm, until their number is under some hard-coded
> limit, e.g. 8.
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