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The Heartbeat app can be used to monitor ArangoDB. It makes an HTTP head request against an external URL on a regular basis. This heartbeat can be monitored with a watchdog timer likeWDT.io. If the heartbeat stops, you'll get an alert letting you know that something is wrong with your database.

Installation

foxx-manager install foxx-heartbeat /<mountpoint> url='<URL that should receive the heartbeat>' interval=<how many seconds between beats>

Example using WDT.io

Let's say we want a heartbeat every 5 minutes. So we create a new inbound timer onWDT.io, name itarangodb-heartbeat, and set it to every-5 minutes with a tolerance of 1 minute. We'll get a unique URL that'll look something likek.wdt.io/xyz/arangodb-heartbeat.

Then we install the foxx app with:

foxx-manager install foxx-heartbeat /heartbeat url='http://k.wdt.io/xyz/arangodb-heartbeat' interval=300

The heartbeat will automatically start.

This app has the following configuration options:

• url: The URL that will get requested every heartbeat using an HTTP-Head request.
• interval (optional): The time between heartbeats in seconds. Default:60.

This code is distributed under theApache License by Christian Pekeler.