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https://issues.apache.org/jira/browse/LUCENE-10014?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17400180#comment-17400180
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weizijun commented on LUCENE-10014:
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[~mikemccand][~jpountz], Thank you so much! I know that [~jpountz] is working
on compress numeric docvalues at [LUCENE-10033|
https://issues.apache.org/jira/browse/LUCENE-10033] , I'm from the
elasticsearch team of Alibaba, China. We are work together with elastic friends
in TSDB feature. We have some optimization in docvalues compress, Later we will
push a jira, Thank you!
> docvalue writeBlock gcd encode improve
> --------------------------------------
>
> Key: LUCENE-10014
> URL: https://issues.apache.org/jira/browse/LUCENE-10014
> Project: Lucene - Core
> Issue Type: Improvement
> Components: core/codecs
> Reporter: weizijun
> Priority: Major
> Fix For: main (9.0), 8.10
>
> Attachments: LUCENE-10014.patch
>
>
> Lucene90DocValuesConsumer.writeBlock calculate bitsPerValue as:
> {code:java}
> final int bitsPerValue = DirectWriter.unsignedBitsRequired(max - min);
> {code}
> it can use gcd in this place as:
> {code:java}
> (max - min) / gcd
> {code}
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