Stefan Egli created OAK-3002:
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             Summary: Optimize docCache by filtering using journal
                 Key: OAK-3002
                 URL: https://issues.apache.org/jira/browse/OAK-3002
             Project: Jackrabbit Oak
          Issue Type: Sub-task
          Components: core, mongomk
            Reporter: Stefan Egli
             Fix For: 1.3.1, 1.2.3


This subtask is about spawning out a 
[comment|https://issues.apache.org/jira/browse/OAK-2829?focusedCommentId=14588114&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14588114]
 on OAK-2829 re optimizing docCache invalidation using the newly introduced 
external diff journal:

{quote}
Attached OAK-2829-improved-doc-cache-invaliation.patch which is a suggestion on 
how to avoid invalidating the entire document cache when doing a 
{{backgroundRead}} but instead making use of the new journal: ie only 
invalidate from the document cache what has actually changed.

I'd like to get an opinion ([~mreutegg], [~chetanm]?) on this first, I have a 
load test pending locally which found invalidation of the document cache to be 
the slowest part thus wanted to optimize this first.

Open still/next:
 * also invalidate only necessary parts from the docChildrenCache
 * junits for all of these
{quote}



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