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Posted to issues@lucene.apache.org by "ASF subversion and git services (Jira)" <ji...@apache.org> on 2021/06/23 13:42:00 UTC
[jira] [Commented] (LUCENE-9613) Create blocks for ords when it
helps in Lucene80DocValuesFormat
[ https://issues.apache.org/jira/browse/LUCENE-9613?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17368151#comment-17368151 ]
ASF subversion and git services commented on LUCENE-9613:
---------------------------------------------------------
Commit 1d5d4589606e5acbc1f7f6059c8f76965f472435 in lucene's branch refs/heads/main from Adrien Grand
[ https://gitbox.apache.org/repos/asf?p=lucene.git;h=1d5d458 ]
LUCENE-9613: Encode ordinals like numerics. (#186)
This helps simplify the code, and also adds some optimizations to ordinals like
better compression for long runs of equal values or fields that are used in
index sorts.
> Create blocks for ords when it helps in Lucene80DocValuesFormat
> ---------------------------------------------------------------
>
> Key: LUCENE-9613
> URL: https://issues.apache.org/jira/browse/LUCENE-9613
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Adrien Grand
> Priority: Minor
> Fix For: main (9.0)
>
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> Currently for sorted(-set) values, we always write ords using log2(valueCount) bits per entry. However in several cases like when the field is used in the index sort, or if one value is _very_common, splitting into blocks like we do for numerics would help.
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