Can balancer_by_lua see how many connections on the backends?

[thattommyhall]

I cant see it in the docs, but it feels like it should be possible to re-implement least connections (or use the information for more complex algorithms

Tom

[Cong Wu]

I have just exactly the same question here... it seems that you could use get_primary_peers to get this information, but I'm not sure.

I have asked in apisix community https://the-asf.slack.com/archives/CUC5MN17A/p1635134231004300,but the response just makes me more confused.