Thomas Mueller created OAK-6515:
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Summary: Decouple indexing and upload to datastore
Key: OAK-6515
URL: https://issues.apache.org/jira/browse/OAK-6515
Project: Jackrabbit Oak
Issue Type: New Feature
Components: indexing, lucene, query
Reporter: Thomas Mueller
Assignee: Thomas Mueller
Priority: Minor
Fix For: 1.9.0
Currently the default async index delay is 5 seconds. Using a larger delay
(e.g. 15 seconds) reduces index related growth, however diffing is delayed 15
seconds, which can reduce indexing performance.
One option (which might require bigger changes) is to index every 5 seconds,
and store the index every 5 seconds in the local directory, but only write to
the datastore / nodestore every 3rd time (that is, every 15 seconds).
So that other cluster nodes will only see the index update every 15 seconds.
The diffing is done every 5 seconds, and the local index could be used every 5
or every 15 seconds.
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