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Posted to oak-issues@jackrabbit.apache.org by "Marcel Reutegger (JIRA)" <ji...@apache.org> on 2018/01/17 16:55:00 UTC

[jira] [Created] (OAK-7175) Reduce cache misses on local diff-cache

Marcel Reutegger created OAK-7175:
-------------------------------------

             Summary: Reduce cache misses on local diff-cache
                 Key: OAK-7175
                 URL: https://issues.apache.org/jira/browse/OAK-7175
             Project: Jackrabbit Oak
          Issue Type: Improvement
          Components: documentmk
            Reporter: Marcel Reutegger
            Assignee: Marcel Reutegger
             Fix For: 1.10


There are quite some cache misses on the local diff-cache when there are external changes because the TieredDiffCache first checks the local diff-cache. The majority of calls can indeed be served from the local diff-cache, because local commits are usually more frequent than external changes that come in once a second. The cache misses could be avoided if there was a hint what kind of change the diff is based on.



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