doc/dev/radosgw: draft design for s3express CreateSession - #71066
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Signed-off-by: Casey Bodley <cbodley@redhat.com>
cbodley
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Aug 14, 2026
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| ## evaluation | ||
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| are there potential performance improvements here? i think the idea is that, by doing authorization up front during CreateSession, subsequent requests could avoid the overhead of reading/evaluating iam policies. this _might_ mean the requests could avoid reading/decoding the user/account metadata at all. however, we do expect the metadata cache to hide a lot of this overhead |
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an important part of sigv4 is looking up the user by its access key to learn the corresponding secret key, so i don't think we could eliminate that read entirely
edit: oops, these subsequent requests would be using the temporary access/secret keys generated by CreateSession. these temporary credentials could just be encoded in the session token like we do for sts
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a draft design for https://tracker.ceph.com/issues/79514, exploring the use of aws' s3express:CreateSession api
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