Schema element limits (Vertex Label, Edge Label)

[Boney Sekh]

Hi,

Is there any limits or recommendations on the number of vertex labels that an instance of Titan can hold?  As vertex label lookups are quick, we were using it to create a lookup/starting point into our graph across our DB. But we now have about a million of them and was wondering if this was a bad practice. We were thinking of making this an index based lookup instead, but we only want to do it if its absolutely necessary.

I am also curious if the same thing applies to Edge Labels. i.e. any performance or other impacts on having several million unique edge labels.

Thanks in advance for your reply!

B

[Stephen Mallette]

I'm not aware of anyone using labels that way. I'd probably consider that a bad approach and stick to indices as you're bending the notion of what vertex labels are designed to do. Unfortunately, I can't speak to the performance issues or limitations you might hit though as a result of taking this approach.

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