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MongoDB

MongoDB¶

This section describes the MongoDB alerts.

MongoDBServiceDown
MongoDBServiceOutage
MongoDBNoPrimaryMember

MongoDBServiceDown¶

Severity	Minor
Summary	The MongoDB service on the `{{ $labels.host }}` node is down for 1 minute.
Raise condition	`mongodb_up == 0`
Description	Raises when the MongoDB process is in the `DOWN` state on a host. The `host` label in the raised alert contains the host name of the affected node.
Troubleshooting	Inspect the MongoDB logs using `journalctl -u mongodb` on the affected node or in `/var/log`.
Tuning	Not required

MongoDBServiceOutage¶

Severity	Critical
Summary	All MongoDB services are down for 1 minute.
Raise condition	`count(mongodb_up == 0) == count(mongodb_up)`
Description	Raises when the MongoDB processes are in the `DOWN` state on all nodes.
Troubleshooting	Inspect the `MongoDBServiceDown` alert for the affected node. Inspect the MongoDB logs using `journalctl -u mongodb` on the affected node or in `/var/log`.
Tuning	Not required

MongoDBNoPrimaryMember¶

Severity	Critical
Summary	MongoDB cluster has no primary member for 1 minute.
Raise condition	`absent(mongodb_state == 1)`
Description	Raises when the MongoDB cluster has no primary member.
Troubleshooting	Inspect the MongoDB logs using `journalctl -u mongodb` on a node with MongoDB or in `/var/log`.
Tuning	Not required

updated: 2021-07-30 13:01

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