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https://issues.apache.org/jira/browse/LUCENE-8221?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16413525#comment-16413525
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Dawid Weiss commented on LUCENE-8221:
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Robert, there is no docFreq call in that method. I frankly don't understand why
you're being so stubborn.
bq. But now in addition to that, you've got skew. Your argument fails.
What skew?
> MoreLikeThis.setMaxDocFreqPct can easily int-overflow on larger indexes
> -----------------------------------------------------------------------
>
> Key: LUCENE-8221
> URL: https://issues.apache.org/jira/browse/LUCENE-8221
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Dawid Weiss
> Assignee: Dawid Weiss
> Priority: Minor
> Attachments: LUCENE-8221.patch
>
>
> {code}
> public void setMaxDocFreqPct(int maxPercentage) {
> this.maxDocFreq = maxPercentage * ir.numDocs() / 100;
> }
> {code}
> The above overflows integer range into negative numbers on even fairly small
> indexes (for maxPercentage = 75, it happens for just over 28 million
> documents.
> We should make the computations on long range so that it doesn't overflow and
> have a more strict argument validation.
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