python
Found 10 questions related to this topic.
What's the most efficient way to pinpoint a persistent 'memory leak' in a Python web app?
I'm running a Flask web application, and over time, its memory usage steadily climbs, eventually leading to crashes. I've tried basic profiling, but I can't seem to isolate the exa...
Why is my Python script for large CSV processing suddenly bottlenecking on memory?
I've got a Python script that processes multi-GB CSV files, and it's suddenly hitting major memory issues after updating Pandas. I'm trying to figure out if there's a more memory-e...
Is there a trick to make VS Code's Python interpreter switching less painful?
I'm constantly juggling multiple Python projects, each with a different virtual environment, and switching interpreters in VS Code feels incredibly clunky and slow. Am I overlookin...
Is it always bad practice to use global variables in Python scripts, or are there justified exceptions?
I'm working on a data processing script where a few configuration parameters are truly global across multiple functions and modules. I've been told global variables are evil, but p...
Why isn't my Python decorator caching effectively with async functions?
I'm trying to implement a simple memoization decorator for several asynchronous data fetching functions in a FastAPI application, but it seems like the cache is either not hitting ...
Why is my new Python virtual environment completely ignoring installed packages?
I've just created a fresh virtual environment for a new project using `venv`, activated it, and installed several packages with `pip install`. However, when I try to import them in...
Struggling to debug intermittent 'Connection Reset' errors in my Python web app – any insights?
My Flask application occasionally throws 'Connection Reset by Peer' errors, but only under specific, unreproducible load conditions. I've checked firewall rules and server logs, bu...
Why is my async Python HTTP request pool deadlocking after 500 concurrent connections?
I'm building a high-concurrency data scraper using `aiohttp` and `asyncio`, managing a fixed-size connection pool. After roughly 500 concurrent requests, the entire pool just locks...
Struggling with Python's GIL and Multithreading for I/O-bound tasks – Am I missing something fundamental?
I'm trying to optimize an I/O-bound Python script that makes numerous external API calls concurrently. Despite using `concurrent.futures.ThreadPoolExecutor`, I'm not seeing the per...
Why is my Python script's memory usage skyrocketing with large dataframes?
I'm processing several large Pandas DataFrames (each 1GB+) in a Python script, performing various transformations and aggregations. Despite deleting intermediate DataFrames with `d...