Is there a way to disable payload hashing when uploading an object to s3?

[tweeter0830]

I noticed really high CPU usage when calling aws_sdk_s3::client.put_object. I profiled my code and saw a ton of time being spent in aws_sign_auth::signer::SigV4Signer::Sign, specifically aws_sigv4::http_request::canocial_request::CanonicalRequest::payload_hash. I know that AWS hashes some/all of the request, but I'm hoping there is some way to avoid hashing the body of the request. I am already sending an md5 hash of the body along.

Thanks!

[Velfi]

If you upload with a streaming body, then it'll avoid calculating those hashes. Use the read_from API when uploading files.

Let me know if that works for you.

[jiashiwen]

Hi,and I meet a same question
<Using mutlity part upload cpu is too high>
I use ByteStream,but steel a lost of calculate pyload_hash