App Engine Standard Environment Vs App Engine Flexible environment
Feature | Standard environment | Flexible environment |
---|---|---|
Instance startup time | Seconds | Minutes |
Maximum request timeout | Depends on the runtime and type of scaling. | 60 minutes |
Background threads | Yes, with restrictions | Yes |
Background processes | No | Yes |
SSH debugging | No | Yes |
Scaling | Manual, Basic, Automatic | Manual, Automatic |
Scale to zero | Yes | No, minimum 1 instance |
Writing to local disk |
| Yes, ephemeral (disk initialized on each VM startup) |
Modifying the runtime | No | Yes (through Dockerfile) |
Deployment time | Seconds | Minutes |
Automatic in-place security patches | Yes | Yes (excludes container image runtime) |
Access to Google Cloud APIs & Services such as Cloud Storage, Cloud SQL, Memorystore, Tasks and others. | Yes | Yes |
WebSockets | No Java 8, Python 2, and PHP 5 provide a proprietary Sockets API (beta), but the API is not available in newer standard runtimes. | Yes |
Supports installing third-party binaries |
| Yes |
Location | North America, Asia Pacific, or Europe | North America, Asia Pacific, or Europe |
Pricing | Based on instance hours | Based on usage of vCPU, memory, and persistent disks |
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