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From Apache Wiki <wikidi...@apache.org>
Subject [Jackrabbit Wiki] Update of "Journal based Async Indexer" by ChetanMehrotra
Date Thu, 24 Aug 2017 07:55:07 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Jackrabbit Wiki" for change notification.

The "Journal based Async Indexer" page has been changed by ChetanMehrotra:
https://wiki.apache.org/jackrabbit/Journal%20based%20Async%20Indexer?action=diff&rev1=4&rev2=5

- JIRA Issue [[https://issues.apache.org/jira/browse/OAK-6513|OAK-6513]]
+   1. JIRA Issue [[https://issues.apache.org/jira/browse/OAK-6513|OAK-6513]]
+   1. [[https://docs.google.com/presentation/d/e/2PACX-1vQYluqnc3jCrXVG-I7omgkh89W-oWLcrXekJaWiIamUz-e6TjQoyChUqz6s2IBA8kedo69udDqdY5H6/pub?start=false&loop=false&delayms=3000|Oakathon
August 2017 Presentation]] [[attachment:Journal based Async Indexer.pdf|Slides]]
  
  Current async indexer design is based on NodeState diff. This has served us fine so far
however off late it is not able to perform well if rate of repository writes is high. When
changes happen faster than index-update can process them, larger and larger diffs will happen.
These make index-updates slower, which again lead to the next diff being ever larger than
the one before (assuming a constant ingestion rate).
  

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