C# 10 - implementing Asynchronous File Read and Memory Consumption in Large Files
I'm deploying to production and I'm reviewing some code and I'm confused about I keep running into I'm working with a important memory consumption scenario when reading large files asynchronously using C# 10..... I implemented a method to read a large CSV file and process it line by line, but it seems like the memory usage keeps increasing until it eventually leads to an out-of-memory exception. Here's the code snippet I used for reading the file: ```csharp public async Task ProcessLargeFileAsync(string filePath) { using var streamReader = new StreamReader(filePath); string line; while ((line = await streamReader.ReadLineAsync()) != null) { // Process the line (parsing, etc.) await ProcessLineAsync(line); } } private async Task ProcessLineAsync(string line) { // Simulated processing delay await Task.Delay(1); // Other processing logic } ``` The initial intention was to keep the memory footprint low, but I noticed that the memory usage keeps climbing as more lines are read. I also tried adding `GC.Collect()` at various points in my processing logic, but it didn't seem to have any effect. Am I missing something in terms of handling asynchronous reads efficiently, or is there a better way to process large files without running into memory issues? Any best practices or suggestions on optimizing this would be greatly appreciated! I'm working with C# in a Docker container on CentOS. Any suggestions would be helpful. My development environment is Windows 10. I'd be grateful for any help. This is my first time working with C# 3.9. Any feedback is welcome! I'd really appreciate any guidance on this. I'm on Ubuntu 22.04 using the latest version of C#. Could someone point me to the right documentation?