---
title: cache_prune.active_support
description: A Rails cache prune call.
url: https://docs.honeybadger.io/insights/event-types/ruby/cache_prune.active_support/
---

A Rails cache prune call.

Source **Active Support** Category **Cache** Fields **8** [honeybadger-ruby](https://docs.honeybadger.io/lib/ruby/)

## Fields

| Field             | Type   | Description                                                                                                            |
| ----------------- | ------ | ---------------------------------------------------------------------------------------------------------------------- |
| `event_type`      | string | Allowed value: `cache_prune.active_support`.                                                                           |
| `key`             | string | Cache key.                                                                                                             |
| `store`           | string | Cache store class name.                                                                                                |
| `duration`        | number | Duration in milliseconds.                                                                                              |
| `instrumenter_id` | string | Rails instrumenter UUID.                                                                                               |
| `request_id`      | string | Rails request UUID, present on any event fired during a web request context. Merged globally by the Honeybadger agent. |
| `hostname`        | string | Server hostname. Attached to every event by default (events.attach\_hostname).                                         |
| `environment`     | string | Application environment, e.g. "production". Attached to every event by default (events.attach\_environment).           |

## Example

```json
{
  "event_type": "cache_prune.active_support",
  "key": "262144",
  "store": "ActiveSupport::Cache::MemoryStore",
  "duration": 3.52,
  "instrumenter_id": "d9f4a7b2c1e8d3f6a0b5",
  "request_id": "0f5e4bb2-3c46-4b1c-91d5-2f4e8a6b9c01",
  "hostname": "web-1.example.com",
  "environment": "production"
}
```

---

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