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Posted to issues@lucene.apache.org by "Robert Muir (Jira)" <ji...@apache.org> on 2021/10/05 12:45:00 UTC

[jira] [Created] (LUCENE-10149) ByteBuffersDataInput should override readShort/Int/Long

Robert Muir created LUCENE-10149:
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             Summary: ByteBuffersDataInput should override readShort/Int/Long
                 Key: LUCENE-10149
                 URL: https://issues.apache.org/jira/browse/LUCENE-10149
             Project: Lucene - Core
          Issue Type: Task
            Reporter: Robert Muir


ByteBuffersDataInput currently only optimizes the absolute {{readShort(long pos)}}, {{readInt(long pos)}}, {{readLong(long pos)}}.

This is good because these are e.g. used by docvalues.

On the other hand it should also optimize the relative {{readShort()}}, {{readInt()}}, and {{readLong()}} in the same way. In some cases these are performance sensitive too. For example, the postings list compression uses {{readLong()}}.

Looking at the code, this seems to be a simple oversight.




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