>>> c = S3Connection(KEY, SECRET) >>> bucket = c.get_bucket('bucket_name') >>> start = time.time() >>> bucket.get_all_keys() >>> print time.time() - start 0.425064992905 >>> c = S3Connection(KEY, SECRET) >>> bucket = c.get_bucket('bucket_name') >>> start = time.time() >>> bucket.get_all_keys() >>> print time.time() - start 0.000198841094971 Works with Python and Boto MimicDB wraps every S3 API cal