You may have got a problem when you often reload JS, devtools process takes your RAM even more than 1G, it does not seem to clean.
In case of using official remote debugger, tested a initial project with remote debugging mode on Chrome 62 (beta), continuous reload JS 30 times:
Before:
After:
Fortunately, the current versions of RNDebugger (Chromium 58) is better than Chrome (maybe >= 59?), but it still has a amount of growth:
Before:
After:
To avoid similar problems in the future, there is a way to restart the Chrome devtools (macOS: CMD+OPTION+I, Linux/Windows: CTRL+ALT+I), the same applies to official remote debugger on Chrome.
If you're getting the following error:
It may caused by xip.io service (RN use it for debug on real device), it lead your machine IP doesn't resolved sometimes. It's enabled by default, you can disable it in RN custom script on Xcode if you sure you don't need the service:
React Inspector get stuck at "Connecting to React…" for RN ^0.43 (#45)
It usually on Android, the problem is related to requestIdleCallback API (try to check if it not work on debug mode).
This issue have been fixed in react-devtools-core@^2.3.0, please ensure the version is correct in your React Native project (Note that it's dependency of react-native).
Also, sometimes it have timer problem between host machine and device (emulator), you need make sure date & time setting is correct:
Or try to restart your device (emulator).
If you're experiencing the issue like this comment of #84, this issue have been fixed in react-devtools-core@^2.3.0, please ensure the version is correct in your React Native project (Note that it's dependency of react-native).