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https://issues.apache.org/jira/browse/LUCENE-5081?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13704893#comment-13704893
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Robert Muir commented on LUCENE-5081:
-------------------------------------
I looked thru it: thanks Adrien! +1
Perhaps it would be good to add a few extreme tests (like all bits empty/all
set).
Should we implement hashcode/equals? The other impls (fixed/open/etc) have this.
In general we should maybe open a followup issue to give these docidset classes
a base test superclass test.
TestOpenBitset and TestFixedBitset are almost complete duplicates of each other
for example. Any stuff that
can test via docidset/iterator apis should probably do so, and other impl stuff
like intersect() can stay
in each test (thats fine, at least we improve things).
> Compress doc ID sets
> --------------------
>
> Key: LUCENE-5081
> URL: https://issues.apache.org/jira/browse/LUCENE-5081
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Adrien Grand
> Assignee: Adrien Grand
> Priority: Minor
> Attachments: LUCENE-5081.patch, LUCENE-5081.patch
>
>
> Our filters use bit sets a lot to store document IDs. However, it is likely
> that most of them are sparse hence easily compressible. Having efficient
> compressed sets would allow for caching more data.
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