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PRODUCTION_GUIDELINES.md

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Redis Memory Configuration for Production

When deploying Redis in production environments, you should enable the memory overcommit setting to prevent potential issues with background saving and replication.

The Warning

Redis may show this warning in logs:

WARNING Memory overcommit must be enabled! Without it, a background save or replication may fail under low memory condition.

Linux Production Deployment

For production deployments on Linux, you can:

Option 1: Temporary solution on the host system (production or dev Linux systems)

sudo sysctl -w vm.overcommit_memory=1

podman compose up --build

Option 2: Permanent solution - Configure the Prod. host system

Run these commands on the host system:

echo 'vm.overcommit_memory=1' | sudo tee -a /etc/sysctl.conf
sudo sysctl vm.overcommit_memory=1

Development Environments

For local development on macOS or Windows:

  • The warning can be safely ignored
  • Do not enable the sysctls configuration as it's not supported on these platforms
  • The application will function normally despite the warning