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https://issues.apache.org/jira/browse/LUCENE-4536?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Adrien Grand updated LUCENE-4536:
---------------------------------
Attachment: LUCENE-4536.patch
Patch. I added a test so that two assumptions that were made by callers are
still true, even if you are reading packed ints streams generated with 4.0 with
this patch applied:
- after reading all values of a Readeriterator, the IndexInput is positioned
at the end of the stream,
- after reading the last value of a direct Reader, the IndexInput is
positioned at the end of the stream.
> Make PackedInts byte-aligned?
> -----------------------------
>
> Key: LUCENE-4536
> URL: https://issues.apache.org/jira/browse/LUCENE-4536
> Project: Lucene - Core
> Issue Type: Task
> Reporter: Adrien Grand
> Assignee: Adrien Grand
> Priority: Minor
> Fix For: 4.1
>
> Attachments: LUCENE-4536.patch
>
>
> PackedInts are more and more used to save/restore small arrays, but given
> that they are long-aligned, up to 63 bits are wasted per array. We should try
> to make PackedInts storage byte-aligned so that only 7 bits are wasted in the
> worst case.
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