Improve Application Memory Documentation#3739
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benjaminach
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May 11, 2026
| - Uncaught exception in your code (especially with non-compiled languages) | ||
| - Insufficient resources | ||
| - Insufficient resources, such as an Out of Memory (OOM) crash when the | ||
| application consumes all its allocated memory |
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| application consumes all its allocated memory | |
| application consumes all its available memory |
| This can have several observable consequences: | ||
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| - Abrupt termination: the application stops without a graceful shutdown process. | ||
| - Automatic restart: the container restarts according to its configuration. |
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| - Automatic restart: the container restarts according to its configuration. | |
| - Automatic restart: the container is restarted following our [runtime error recovery process](#recovering-from-a-runtime-error). |
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This PR improves the documentation around application memory usage on Scalingo.
It clarifies how memory, swap, container sizes, metrics, and runtime crashes relate to each other, and moves the OOM crash explanation to the Runtime Issues page where it better fits troubleshooting workflows.
It also adds language-specific memory management pointers for Go, Java, Node.js, PHP, Python, and Ruby, so users can find the main runtime settings that influence memory usage.
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