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medusa-store/www/apps/docs/content/troubleshooting/redis-events.md
Shahed Nasser fa7c94b4cc docs: create docs workspace (#5174)
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---
title: 'Redis not emitting events'
---
:::note
This troubleshooting guide only applies to Medusa backends using versions before v1.8 of the core Medusa package.
:::
When you create a new Medusa backend, Redis is disabled by default. Instead, a fake Redis backend is used that allows you to start your project but does not actually emit any events.
To enable a real Redis backend, you need to install Redis on your machine and configure it with Medusa.
You can learn how to [install Redis in the Set Up your Development Environment documentation](../development/backend/prepare-environment.mdx#redis).
After installing it, make sure to configure your Medusa backend to use Redis:
```jsx title=medusa-config.js
module.exports = {
projectConfig: {
// ...
redis_url: REDIS_URL,
},
}
```
By default, Medusa connects to Redis over the URL `redis://localhost:6379`. If you need to change that URL, set the following environment variable:
```bash
REDIS_URL=<YOUR_REDIS_URL>
```
---
## See Also
- [Set up your development environment](../development/backend/prepare-environment.mdx)
- [Configure the Medusa backend](../development/backend/configurations.md)