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Do not use JanusGraphFactory.drop(graph) with Elasticsearch 6.x
sjudeng <sju...@...>
Anyone running JanusGraph with Elasticsearch 6.x should not make calls to index.clearStorage(), including JanusGraphFactory.drop(graph) and JanusGraphCleanup.clear(graph).
A community member discovered and reported a significant bug in the Elasticsearch clearStorage implementation that causes all aliased indices to be deleted when using Elasticsearch 6.x with index aliases. A fix has been submitted but currently this affects JanusGraph 0.2.0, 0.2.1-SNAPSHOT and 0.3.0-SNAPSHOT.
A community member discovered and reported a significant bug in the Elasticsearch clearStorage implementation that causes all aliased indices to be deleted when using Elasticsearch 6.x with index aliases. A fix has been submitted but currently this affects JanusGraph 0.2.0, 0.2.1-SNAPSHOT and 0.3.0-SNAPSHOT.