implementing Memory Bloat in Ruby on Rails 6.1 with Large JSON Responses from API
I'm a bit lost with I tried several approaches but none seem to work. Hey everyone, I'm running into an issue that's driving me crazy... I'm currently working with important memory bloat when processing large JSON responses in my Ruby on Rails 6.1 application, which is an API that serves data to a frontend client. I've implemented a method to fetch and parse this data, but it seems to be consuming an excessive amount of RAM, leading to performance degradation. Here's a simplified version of my code: ```ruby class ApiController < ApplicationController def fetch_data response = Net::HTTP.get(URI('https://api.example.com/large_data')) @data = JSON.parse(response) render json: @data end end ``` The JSON being returned is quite large, typically around 10MB. I'm currently using `JSON.parse`, but I worry that holding such a large dataset in memory might be causing the bloat. After some profiling, I noticed that the memory usage spikes significantly during the parsing stage. I’ve tried streaming the response using `Net::HTTP::Get` and `read_body`, like this: ```ruby class ApiController < ApplicationController def fetch_data uri = URI('https://api.example.com/large_data') response = Net::HTTP.get_response(uri) data_stream = response.body @data = JSON.parse(data_stream) render json: @data end end ``` Despite this, the memory scenario continues. Additionally, I considered using `Oj` for faster JSON parsing, but I’m not sure if it will also help with the memory scenario. Could anyone provide insights on best practices for handling large JSON responses in Ruby on Rails? Are there specific techniques or gems that might alleviate the memory usage during parsing? Any advice on managing memory better in this context would be greatly appreciated. Am I missing something obvious? I'd really appreciate any guidance on this. Hoping someone can shed some light on this.