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From "Alex Parvulescu (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (JCR-3282) Optimize usage of norms
Date Wed, 28 Mar 2012 14:39:27 GMT
Optimize usage of norms

                 Key: JCR-3282
                 URL: https://issues.apache.org/jira/browse/JCR-3282
             Project: Jackrabbit Content Repository
          Issue Type: Improvement
          Components: indexing, jackrabbit-core
            Reporter: Alex Parvulescu
            Assignee: Alex Parvulescu

There is a very significant potential for optimizing the size of the search index.

We have seen a case where there were multiple segments with about the same number of nodes
(roughly 10 million), but the size on disk was very different.
One segment was 19 GB while all others where around 3 GB. The major difference was the number
of fields indexed. The large segment had significantly more fields, which resulted in a large
norms file.

We should go through our implementation and see where norms are really necessary and disable
tracking of norms wherever possible.

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