[Enhancement]: Pass common trace id for logs across Milvus components from client

[madogar]

Is there an existing issue for this?

• I have searched the existing issues

What would you like to be added?

Tracing is an important means of identifying bottleneck points in a system and is crucial for debugging production issues. Milvus(or any DB) is generally the most downstream system for an user call -- a user call can originate from UI and pass through multiple components, in micro-services architecture, before reaching Milvus.
So, when an user experiences a glitch, one would debug the call trace via logs using a common trace id. As of now, Milvus generates a new trace id for every call and this request is to make sure client can pass the trace id which will be used for all the logs across the Milvus sub-components so that one can fetch logs for a user call across the components -- including Milvus.

Why is this needed?

For better debugging.

Anything else?

Raised the PR: #32264

Clients can pass trace id via "client_request_id" header in the request which would be added to the log context across all the Milvus components. Note: the same value is currently used in access logs.

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