> ## Documentation Index
> Fetch the complete documentation index at: https://docs.kalimna.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Technical limits

> Technical limits for flows execution

### Overview

### Flow Limits

* **Execution Time**: Each flow has a maximum execution time of **600 seconds (10 minutes)**. Flows exceeding this limit will be marked as a timeout.
* **Memory Usage**: During execution, a flow should not use more than **128 MB of RAM**.

### File Storage Limits

* **Maximum File Size**: 10 MB

### Data Storage Limits

Some pieces utilize the built-in key store, such as the Store Piece and Queue Piece.

The storage limits are as follows:

* **Maximum Key Length**: 128 characters
* **Maximum Value Size**: 512 KB