MongoDB
This section describes the MongoDB alerts.
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 |
|---|