Let's support at least reading "b3" header from a single string, most commonly traceid-spanid-1
It would also be nice to support optionally writing this, especially in message providers or others with constrained environments.

Expected behavior

As discussed on openzipkin/b3-propagation#21 and first implemented here: https://github.com/openzipkin/brave/blob/master/brave/src/main/java/bra

Currently we don't have any mechanism to limit the maximum number of clients that could be handled simultaneously.

This feature should be designed properly. Here is some clue: https://redis.io/topics/clients#maximum-number-of-clients

Problem description

I saw comment about nulls caching dotnetcore/EasyCaching#43 (comment), but we have important case when it is necessary.

We develop a low code platform, where our clients can set up some handlers for processing some requests from there websites.

1. Each handler is entity in database, that is cached in memory.
2. Some handlers cou

Get能否类似post设置request Header,现在貌似没有提供