You are using unique(), this takes lock for each operation. Try to handle uniqueness through application instead of Janus.

~AnkurG

On Monday, September 11, 2017 at 1:33:07 PM UTC+5:30, ya...@... wrote:

I am writing an app that loads an existing RDBMS based graph implementation into JanusGraph.

I create this index:

        JanusGraphManagement mgmt = javaGraph.openManagement();

        if (mgmt.containsPropertyKey("nodeId")) {

            nodeId = mgmt.getPropertyKey("nodeId");

        } else {

            nodeId = mgmt.makePropertyKey("nodeId").dataType(Integer.class).make();

        }

        if(!mgmt.containsGraphIndex("nodeIdInd")){

            JanusGraphManagement.IndexBuilder nodeIdIndexBuilder = mgmt.buildIndex("nodeIdInd", Vertex.class).addKey(nodeId);

            nodeIdIndexBuilder.unique();

            JanusGraphIndex nodeIdIdx = nodeIdIndexBuilder.buildCompositeIndex();

        }

        mgmt.commit();

Creating the vertices and edges (~6K vertices and ~40K edges) takes a very long time.

Am I missing something?

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