Isaac Miller

19 papers A* 4C 1Journal 12Unranked 2
YearRankTypeTitle / Venue / Authors
2025 J jnl
CoRR
Noah Ziems, Dilara Soylu, Lakshya A. Agrawal, Isaac Miller, Liheng Lai, Chen Qian, Kaiqiang Song, Meng Jiang, Daniel Klein, Matei Zaharia, Karel D'Oosterlinck, Christopher Potts, Omar Khattab
2020 J jnl
Digit. Humanit. Q.
Gila Prebor, Maayan Zhitomirsky-Geffet, Isaac Miller
2012 J jnl
J. Field Robotics
Jonathan R. Schoenberg, Mark E. Campbell, Isaac Miller
2012 J jnl
IEEE Trans. Aerosp. Electron. Syst.
Isaac Miller, Mark E. Campbell
2011 J jnl
IEEE Trans. Robotics
Isaac Miller, Mark E. Campbell, Dan Huttenlocher
2011 J jnl
J. Field Robotics
Isaac Miller, Mark E. Campbell, Dan Huttenlocher
2011 J jnl
IEEE Trans. Aerosp. Electron. Syst.
Isaac Miller, Mark E. Campbell
2009 A* conf
ICRA
Jonathan R. Schoenberg, Mark E. Campbell, Isaac Miller
2009 A* conf
ICRA
César Rivadeneyra, Isaac Miller, Jonathan R. Schoenberg, Mark E. Campbell
2009 conf
The DARPA Urban Challenge
Isaac Miller, Mark E. Campbell, Dan Huttenlocher, Aaron Nathan, Frank-Robert Kline, Pete Moran, Noah Zych, Brian Schimpf, Sergei Lupashin, Ephrahim Garcia, Jason Catlin, Mike Kurdziel, Hikaru Fujishima
2009 conf
The DARPA Urban Challenge
Luke Fletcher, Seth J. Teller, Edwin Olson, David Moore, Yoshiaki Kuwata, Jonathan P. How, John J. Leonard, Isaac Miller, Mark E. Campbell, Dan Huttenlocher, Aaron Nathan, Frank-Robert Kline
2008 A* conf
ICRA
Isaac Miller, Mark E. Campbell
2008 J jnl
J. Field Robotics
Isaac Miller, Mark E. Campbell, Dan Huttenlocher, Frank-Robert Kline, Aaron Nathan, Sergei Lupashin, Jason Catlin, Brian Schimpf, Pete Moran, Noah Zych, Ephrahim Garcia, Mike Kurdziel, Hikaru Fujishima
2008 J jnl
J. Field Robotics
Luke Fletcher, Seth J. Teller, Edwin Olson, David Moore, Yoshiaki Kuwata, Jonathan P. How, John J. Leonard, Isaac Miller, Mark E. Campbell, Dan Huttenlocher, Aaron Nathan, Frank-Robert Kline
2007 A* conf
ICRA
Isaac Miller, Mark E. Campbell
2006 J jnl
J. Field Robotics
Isaac Miller, Mark E. Campbell
2006 J jnl
J. Field Robotics
Isaac Miller, Sergei Lupashin, Noah Zych, Pete Moran, Brian Schimpf, Aaron Nathan, Ephrahim Garcia
2006 J jnl
Computer
Isaac Miller, Ephrahim Garcia, Mark E. Campbell
2005 C conf
ACC
Isaac Miller, Mark E. Campbell
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()