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Posted to issues@lucene.apache.org by "Nhat Nguyen (Jira)" <ji...@apache.org> on 2021/02/07 20:36:00 UTC

[jira] [Created] (LUCENE-9741) Add optimization for sequential access of stored fields

Nhat Nguyen created LUCENE-9741:
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             Summary: Add optimization for sequential access of stored fields
                 Key: LUCENE-9741
                 URL: https://issues.apache.org/jira/browse/LUCENE-9741
             Project: Lucene - Core
          Issue Type: Improvement
          Components: core/index
            Reporter: Nhat Nguyen
            Assignee: Nhat Nguyen


If we are reading the stored-fields of document ids (25, 27, 28, 26, 99), and doc-25 triggers the stored-fields reader to decompress a block containing document ids [10-50], then we can tell the reader to read not only 25, but 26, 27, and 28 to avoid decompressing that block multiple times.

This issue proposes adding a new optimized instance of stored-fields reader that allows users to select the preferred fetching range.



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