Bingqi Shang

Maybe specify this in the install document is appropriate? In case some users should compile benchmark with `-fPIC`, like [this](https://github.com/open-telemetry/opentelemetry-cpp/issues/960#issuecomment-905681929).

Hi @mfelsche, I have applied this mentorship program via LFX, this project seems interesting. I got some experience with some other Object Storage Service like Aliyun OSS. Hope I could...

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