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Posted to dev@lucene.apache.org by "Adrien Grand (JIRA)" <ji...@apache.org> on 2013/07/30 14:59:49 UTC
[jira] [Resolved] (LUCENE-5145) Added AppendingPackedLongBuffer &
extended AbstractAppendingLongBuffer family (customizable compression ratio
+ bulk retrieval)
[ https://issues.apache.org/jira/browse/LUCENE-5145?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Adrien Grand resolved LUCENE-5145.
----------------------------------
Resolution: Fixed
Fix Version/s: 4.5
5.0
Committed. Thanks Boaz!
> Added AppendingPackedLongBuffer & extended AbstractAppendingLongBuffer family (customizable compression ratio + bulk retrieval)
> -------------------------------------------------------------------------------------------------------------------------------
>
> Key: LUCENE-5145
> URL: https://issues.apache.org/jira/browse/LUCENE-5145
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Boaz Leskes
> Assignee: Adrien Grand
> Fix For: 5.0, 4.5
>
> Attachments: LUCENE-5145.patch, LUCENE-5145.v2.patch
>
>
> Made acceptableOverheadRatio configurable
> Added bulk get to AbstractAppendingLongBuffer classes, for faster retrieval.
> Introduced a new variant, AppendingPackedLongBuffer which solely relies on PackedInts as a back-end. This new class is useful where people have non-negative numbers with a fairly uniform distribution over a fixed (limited) range. Ex. facets ordinals.
> To distinguish it from AppendingPackedLongBuffer, delta based AppendingLongBuffer was renamed to AppendingDeltaPackedLongBuffer
> Fixed an Issue with NullReader where it didn't respect it's valueCount in bulk gets.
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