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https://issues.apache.org/jira/browse/LUCENE-5703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14018541#comment-14018541
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Robert Muir commented on LUCENE-5703:
-------------------------------------
I tried to just make TermOrdValComparator.MISSING_BYTESREF an instance variable
instead of static as an easy-fix, but this uncovered a real bug: it break
searchAfter. We have to assume users will want to deserialize results there...
we can't rely upon them providing back that exact same bytesref as the missing
value. Having it as a static only hid that in tests.
> Don't allocate/copy bytes all the time in binary DV producers
> -------------------------------------------------------------
>
> Key: LUCENE-5703
> URL: https://issues.apache.org/jira/browse/LUCENE-5703
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Adrien Grand
> Assignee: Adrien Grand
> Fix For: 4.9, 5.0
>
> Attachments: LUCENE-5703.patch, LUCENE-5703.patch, LUCENE-5703.patch,
> LUCENE-5703.patch, LUCENE-5703.patch, LUCENE-5703.patch
>
>
> Our binary doc values producers keep on creating new {{byte[]}} arrays and
> copying bytes when a value is requested, which likely doesn't help
> performance. This has been done because of the way fieldcache consumers used
> the API, but we should try to fix it in 5.0.
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