Thomas Mueller created OAK-8721:
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Summary: Automatically pick the latest active index version
Key: OAK-8721
URL: https://issues.apache.org/jira/browse/OAK-8721
Project: Jackrabbit Oak
Issue Type: Improvement
Components: indexing, lucene
Reporter: Thomas Mueller
Assignee: Thomas Mueller
When using the composite node store for blue-green deployments, multiple
versions of a index can exist at the same time, for a short period of time
(while both blue and green are running at the same time). It is possible to
select which index is active using the "useIfExists" settings in the index
configurations. However, this is complicated and hard to explain / understand.
Instead, we can rely on naming patterns of the index node name. E.g.
* lucene
* lucene-2 (newer product version)
* lucene-2-custom-2 (customized version of lucene-2)
* lucene-2-custom-3 (customized again)
* lucene-3-custom-1 (newer product version)
It would be good if index selection is automatic, meaning only indexes are
active that are available in the read-only repository (of the composite node
store).
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