Radu Ciucanu

43 papers A* 3A 2B 7C 2Journal 13Unranked 14
YearRankTypeTitle / Venue / Authors
2023 A* conf
IJCAI
Radu Ciucanu, Pascal Lafourcade, Gaël Marcadet, Marta Soare
2023 J jnl
IEEE Trans. Dependable Secur. Comput.
Radu Ciucanu, Anatole Delabrouille, Pascal Lafourcade, Marta Soare
2023 J jnl
J. Comput. Secur.
Radu Ciucanu, Pascal Lafourcade, Marius Lombard-Platet, Marta Soare
2022 A conf
CIKM
Sotirios Tzamaras, Radu Ciucanu, Marta Soare, Sihem Amer-Yahia
2022 B conf
EDBT
Radu Ciucanu, Marta Soare, Sihem Amer-Yahia
2022 J jnl
J. Artif. Intell. Res.
Radu Ciucanu, Pascal Lafourcade, Gaël Marcadet, Marta Soare
2022 A* conf
ICDE
Gaël Marcadet, Radu Ciucanu, Pascal Lafourcade, Marta Soare, Sihem Amer-Yahia
2021 A conf
CIKM
Sandrine Da Col, Radu Ciucanu, Marta Soare, Nassim Bouarour, Sihem Amer-Yahia
2021 book
Radu Ciucanu
2020 conf
ISWC (Demos/Industry)
Radu Ciucanu, Pascal Lafourcade
2020 B conf
DBSec
Radu Ciucanu, Pascal Lafourcade
2020 C conf
ProvSec
Radu Ciucanu, Anatole Delabrouille, Pascal Lafourcade, Marta Soare
2020 B conf
TrustCom
Radu Ciucanu, Pascal Lafourcade, Marius Lombard-Platet, Marta Soare
2019 C conf
ISPEC
Radu Ciucanu, Pascal Lafourcade, Marius Lombard-Platet, Marta Soare
2019 conf
ICETE (2)
Radu Ciucanu, Matthieu Giraud, Pascal Lafourcade, Lihua Ye
2019 conf
ICETE (2)
Radu Ciucanu, Matthieu Giraud, Pascal Lafourcade, Lihua Ye
2019 conf
ICETE (Selected Papers)
Radu Ciucanu, Matthieu Giraud, Pascal Lafourcade, Lihua Ye
2018 conf
ICETE (2)
Radu Ciucanu, Matthieu Giraud, Pascal Lafourcade, Lihua Ye
2018 conf
FPS
Xavier Bultel, Radu Ciucanu, Matthieu Giraud, Pascal Lafourcade, Lihua Ye
2017 conf
ISWC (Posters, Demos & Industry Tracks)
Karim Alami, Radu Ciucanu, Engelbert Mephu Nguifo
2017 B conf
ARES
Xavier Bultel, Radu Ciucanu, Matthieu Giraud, Pascal Lafourcade
2017 conf
TD-LSG@PKDD/ECML
Karim Alami, Radu Ciucanu, Engelbert Mephu Nguifo
2017 A* conf
ICDE
Guillaume Bagan, Angela Bonifati, Radu Ciucanu, George H. L. Fletcher, Aurélien Lemay, Nicky Advokaat
2017 J jnl
IEEE Trans. Knowl. Data Eng.
Guillaume Bagan, Angela Bonifati, Radu Ciucanu, George H. L. Fletcher, Aurélien Lemay, Nicky Advokaat
2016 J jnl
Proc. VLDB Endow.
Guillaume Bagan, Angela Bonifati, Radu Ciucanu, George H. L. Fletcher, Aurélien Lemay, Nicky Advokaat
2016 J jnl
ACM Trans. Database Syst.
Angela Bonifati, Radu Ciucanu, Slawek Staworko
2016 conf
SIGMOD Conference
Maximilian Schleich, Dan Olteanu, Radu Ciucanu
2015 J jnl
CoRR
Guillaume Bagan, Angela Bonifati, Radu Ciucanu, George H. L. Fletcher, Aurélien Lemay, Nicky Advokaat
2015
Radu Ciucanu
2015 J jnl
Proc. VLDB Endow.
Patricia C. Arocena, Radu Ciucanu, Boris Glavic, Renée J. Miller
2015 conf
EDBT/ICDT Workshops
Iovka Boneva, Angela Bonifati, Radu Ciucanu
2015 B conf
EDBT
Angela Bonifati, Radu Ciucanu, Aurélien Lemay
2015 B conf
EDBT
Angela Bonifati, Radu Ciucanu, Aurélien Lemay
2015 J jnl
Theory Comput. Syst.
Iovka Boneva, Radu Ciucanu, Slawek Staworko
2015 J jnl
Proc. VLDB Endow.
Patricia C. Arocena, Boris Glavic, Radu Ciucanu, Renée J. Miller
2014 conf
Data4U@VLDB
Angela Bonifati, Radu Ciucanu, Aurélien Lemay, Slawek Staworko
2014 B conf
EDBT
Angela Bonifati, Radu Ciucanu, Slawek Staworko
2014 J jnl
Proc. VLDB Endow.
Angela Bonifati, Radu Ciucanu, Slawek Staworko
2013 conf
DBPL
Radu Ciucanu, Slawek Staworko
2013 conf
SIGMOD/PODS Ph.D. Symposium
Radu Ciucanu
2013 J jnl
CoRR
Iovka Boneva, Radu Ciucanu, Slawek Staworko
2013 J jnl
CoRR
Iovka Boneva, Radu Ciucanu, Slawek Staworko
2013 conf
WebDB
Iovka Boneva, Radu Ciucanu, Slawek Staworko
s3-storage/s3_test.py
← Index s3-storage/s3_test.py python
#!/usr/bin/env python3
"""
Simple script to test S3 connectivity and download.
Usage: python s3_test.py
"""

import os
import time
import tempfile
from minio import Minio
from minio.error import S3Error
from dotenv import load_dotenv

# Load environment variables
load_dotenv()

def get_minio_client():
    """Create and return a Minio client using credentials from .env file"""
    endpoint = os.getenv("S3_ENDPOINT")
    access_key = os.getenv("S3_ACCESS_KEY")
    secret_key = os.getenv("S3_SECRET_KEY")
    secure = True 
    
    print(f"Connecting to S3 endpoint: {endpoint} (secure={secure})")
    
    return Minio(
        endpoint=endpoint,
        access_key=access_key,
        secret_key=secret_key,
        secure=secure
    )

def test_connection():
    """Test basic connectivity to S3"""
    try:
        client = get_minio_client()
        
        # Try to list buckets as a basic connectivity test
        buckets = client.list_buckets()
        print(f"Successfully connected to S3. Found {len(buckets)} buckets:")
        for bucket in buckets:
            print(f"  - {bucket.name}")
        
        return client
    except Exception as e:
        print(f"Failed to connect to S3: {e}")
        return None

def test_bucket_access(client, bucket_name):
    """Test access to a specific bucket"""
    try:
        exists = client.bucket_exists(bucket_name)
        if exists:
            print(f"Bucket '{bucket_name}' exists and is accessible")
            
            # List a few objects to verify access
            count = 0
            objects = []
            for obj in client.list_objects(bucket_name, recursive=True):
                print(f"  - {obj.object_name} ({obj.size} bytes)")
                objects.append(obj)
                count += 1
                if count >= 5:
                    break
            
            print(f"Found at least {len(objects)} objects in bucket")
            return objects
        else:
            print(f"Bucket '{bucket_name}' does not exist or is not accessible")
            return []
    except Exception as e:
        print(f"Error accessing bucket '{bucket_name}': {e}")
        return []

def test_download(client, bucket_name, object_name):
    """Test downloading a specific object"""
    try:
        print(f"Attempting to download: {object_name}")
        start_time = time.time()
        
        # Create a temporary file to store the downloaded object
        with tempfile.NamedTemporaryFile(delete=False) as temp_file:
            temp_path = temp_file.name
        
        # Download the object
        client.fget_object(bucket_name, object_name, temp_path)
        
        # Check if the file was downloaded successfully
        file_size = os.path.getsize(temp_path)
        elapsed_time = time.time() - start_time
        
        print(f"Download successful: {file_size} bytes in {elapsed_time:.2f} seconds")
        print(f"Average download speed: {file_size/elapsed_time/1024:.2f} KB/s")
        
        # Clean up
        os.unlink(temp_path)
        return True
    except S3Error as e:
        print(f"S3 Error during download: {e}")
        return False
    except Exception as e:
        print(f"Error downloading object: {e}")
        return False

def main():
    """Main function to run all tests"""
    print("=== S3 Connectivity Test ===")
    
    # Test basic connectivity
    client = test_connection()
    if not client:
        return
    
    # Get bucket name from environment variable
    bucket_name = "redb"
    print(f"\n=== Testing Access to Bucket: {bucket_name} ===")
    objects = test_bucket_access(client, bucket_name)
    
    if objects:
        # Test downloading the first object
        first_object = objects[0].object_name
        print(f"\n=== Testing Download of Object: {first_object} ===")
        test_download(client, bucket_name, first_object)
        
        # If the first one worked, let's try a specific file from the error log
        print(f"\n=== Testing Download of Specific Object ===")
        specific_object = "00/06/00062073114defac39cb7ab9cb99a0b77c535a09a241c60d47ddd0b6431629f1.zip"
        test_download(client, bucket_name, specific_object)

if __name__ == "__main__":
    main()