Tanguy Leroux c62ee88c5f Add rolling upgrade BWC tests for N-2 index compatibility (#119468) ... This change adds rolling upgrade BWC tests for searchable snapshots in N-2 version, so that they are tested in a mixed versions cluster. The tests do not use replicas because it may or may not be assigned depending on which node the primary is assigned on (ie, if the cluster has 1 new node and 2 old node and the primary shard is assigned to the new node, then a replica cannot be assigned until at least another node is upgraded). It also renames the existing full cluster restart BWC tests and mutualizes some common code in AbstractIndexCompatibilityTestCase. Relates ES-10432		2025-01-03 17:44:53 +01:00
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src/javaRestTest/java/org/elasticsearch/lucene	Add rolling upgrade BWC tests for N-2 index compatibility (#119468)	2025-01-03 17:44:53 +01:00
build.gradle	Add QA test module for Lucene N-2 version (#118363)	2024-12-11 17:03:52 +01:00