Vikas Saurabh created OAK-5499:
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             Summary: IndexUpdate can do mulitple traversal of a content tree 
during initial index when there are sub-root indices
                 Key: OAK-5499
                 URL: https://issues.apache.org/jira/browse/OAK-5499
             Project: Jackrabbit Oak
          Issue Type: Improvement
          Components: core
            Reporter: Vikas Saurabh
            Assignee: Vikas Saurabh
            Priority: Minor
             Fix For: 1.8


In case we've index defs such as:
{noformat}
/oak:index/foo1Index
/content
   /oak:index/foo2Index
{noformat}
then initial indexing process \[0] would traverse tree under {{/content}} twice 
- once while indexing for top-level indices and next when it starts to index 
newly discovered {{foo2Index}} while traversing {{/content/oak:index}}.

What we can do is that while first diff processes {{/content}} and discovers a 
node named {{oak:index}}, it can actively go in that tree and peek into index 
defs from under it and register as required. The diff can then proceed under 
{{/content}} while the new indices would also get diffs (avoiding another 
traversal)

\[0] first time indexing or in case {{/:async}} gets deleted or checkpoint for 
async index couldn't be retrieved



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