mod_http_oauth2: Make note about handling repeated RFC 6749 states > If an authorization code is used more than once, the authorization > server MUST deny the request and SHOULD revoke (when possible) all > tokens previously issued based on that authorization code. We should follow the SHOULD. The MUST is already covered by removing the code state from the cache.

---
labels:
- 'Stage-Alpha'
- Statistics
summary: Measure storage API operations
---

Introduction
============

This module collects statistics from storage operations.

Configuration
=============

Enable tagged metrics, whatever that is:

``` {.lua}
measure_storage_tagged_metric = true
```

Compatibility
=============

Requires 0.10