S3 has an interesting limit of about 60 LIST requests per bucket, depending on the number of prefixes/size of bucket. They used to advertise 100 per second, bu

S3 has an interesting limit of about 60 LIST requests per bucket, depending on the number of prefixes/size of bucket. They used to advertise 100 per second, but then they pushed a big update that doubled the read QPS limit, and conveniently left out the reduction in LIST qps from the docs.