[PR #9031/9f0ae074 backport][3.11] Avoid tracing overhead in http_writer when there are no traces #9046
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This is a backport of PR #9031 as merged into master (9f0ae07).
What do these changes do?
If there are not traces set for the request, we would still create partial functions in ClientRequest and call them in http_writer
Are there changes in behavior for the user?
no
Is it a substantial burden for the maintainers to support this?
no
before

after
