ministat opened a new pull request, #1873:
URL: https://github.com/apache/tinkerpop/pull/1873
Janusgraph's JanusGraphVertexDeserializer uses the following code to create
a TinkerVerex, which leads to a lot of NuSuchElementException and hurts the
performance.
FastNoSuchElementException can fix the performance issue.
public TinkerVertex getOrCreateVertex(final long vertexId, final String
label, final TinkerGraph tg) {
TinkerVertex v;
try {
v = (TinkerVertex)tg.vertices(vertexId).next();
} catch (NoSuchElementException e) {
if (null != label) {
v = (TinkerVertex) tg.addVertex(T.label, label, T.id,
vertexId);
} else {
v = (TinkerVertex) tg.addVertex(T.id, vertexId);
}
}
return v;
}
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