[jira] [Created] (OAK-4567) Define oak:Resource nodetype as non referenceable alternative to nt:resource

["Chetan Mehrotra (JIRA)" <ji...@apache.org>]

Chetan Mehrotra created OAK-4567:
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             Summary: Define oak:Resource nodetype as non referenceable alternative to nt:resource
                 Key: OAK-4567
                 URL: https://issues.apache.org/jira/browse/OAK-4567
             Project: Jackrabbit Oak
          Issue Type: Improvement
          Components: core
            Reporter: Chetan Mehrotra
            Assignee: Chetan Mehrotra
             Fix For: 1.6


In most cases where code uses JcrUtils.putFile [1] it leads to
creation of below content structure

{noformat}
+ foo.jpg (nt:file)
   + jcr:content (nt:resource)
       - jcr:data
{noformat}

Due to usage of nt:resource each nt:file node creates a entry in uuid
index as nt:resource is referenceable. So if a system has 1M
nt:file nodes then we would have 1M entries in /oak:index/uuid as in
most cases the files are created via [1] and hence all such files are
referenceable

The nodetype defn for nt:file does not mandate that the
requirement for jcr:content being nt:resource. To support such non referenceable files we would define a new nodeType similar to nt:resource but which is non referenceable.

See [2] for related discussion

[1] https://github.com/apache/jackrabbit/blob/trunk/jackrabbit-jcr-commons/src/main/java/org/apache/jackrabbit/commons/JcrUtils.java#L1062
[2] http://jackrabbit-oak.markmail.org/thread/qicpzm5ltnzfsd42



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