Milittle

I mean the memcached have cas and gets command to support the "compare and swap". How can i use this repo to call the feature. Thx.

https://github.com/linsomniac/python-memcached/blob/bad41222379102e3f18f6f2f7be3ee608de6fbff/memcache.py#L729

> Nebula 3.2.0 when "BALANCE DATA" it returns "-1009:SemanticError: Data balance not support" you need config one experimental configuration named: `enable_experimental_feature` to true

> Interesting, so this pattern was to match vertices with/out any edges connected to them? I think yes. and I will try my best to reproduce this problem again, but...

> Hello, what's the version of nebula-graphd reporting the error? 3.0.1, I think this problem cause by concurrently alter schema, which cause the meta schema data mess.

> I think drop tag can implement same thing? but need clearly know the vertex only have this tag or not. Because we can not know tagless vertex have other...

> Thank you for catching this! It seems you're right based on our gRPC [documentation](https://github.com/qdrant/qdrant/blob/master/docs/grpc/docs.md#pointstruct). If I am right, I can create a PR to fix this.