Skip to content

Instantly share code, notes, and snippets.

What would you like to do?
# Sorry for the scrappiness of this. It's supposed to be scrappy.
import time
from botocore.exceptions import ClientError
import boto3
import boto3.session
# boto3.set_stream_logger('')
session = boto3.session.Session()
s3 = session.client('s3')
B = 'symbols-public-dev'
K_base = 'test_boto3_issue_1128/test_boto3_issue_1128_{}.txt'
def _key_existing_size__list(client, bucket, key):
"""return the key's size if it exist, else None"""
response = client.list_objects_v2(
for obj in response.get('Contents', []):
if obj['Key'] == key:
return obj['Size']
def _key_existing_size__head(client, bucket, key):
obj = client.head_object(Bucket=bucket, Key=key)
return obj['ContentLength']
except ClientError as exc:
if exc.response['Error']['Code'] != '404':
import random
functions = [_key_existing_size__list, _key_existing_size__head]
times = {k.__name__: [] for k in functions}
for i in range(1000):
K = K_base.format(i)
t0 = time.time()
func = random.choice(functions)
size = func(s3, B, K)
if size is not None:
print("EXISTED ALREADY", repr(size))
t1 = time.time()
print("DID NOT EXIST")
t1 = time.time()
s3.put_object(Bucket=B, Key=K, Body=b'asdfasdf')
times[func.__name__].append(t1 - t0)
import statistics
for name, numbers in times.items():
print('FUNCTION:', name, 'Used', len(numbers), 'times')
print('\tSUM ', sum(numbers))
print('\tMEAN ', statistics.mean(numbers))
print('\tMEDIAN', statistics.median(numbers))
print('\tSTDEV ', statistics.stdev(numbers))
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
You can’t perform that action at this time.