Notable Events
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Notable Events
- 4 Minutes to read
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Contributors
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Print
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Notable events displays all the details of the device and system monitor errors and alerts that should be notified to the Administrator. It would assist in identifying the conditions in which the alert was raised so that a further investigation can be done in identifying and resolving the issue.
Following are the list of notable events, these are events that inform you about the failures in your environment along with the duration so that you can take the appropriate measures to resolve it.
The events can be segregated into the following categories:
- Connector Monitor: The events under the category dev monitor indicates that there was some error in log collection.
| Events | Action |
|---|---|
| Connector Pico: Invalid Port |
|
| Connector AWS: Encountered an error | Contact DNIF support |
- System Monitor: These events indicate that there was some kind of process failure.
| Events | Action |
|---|---|
| celery_scheduler is FATAL | Export snapshot of the logs belonging to the component and contact DNIF support |
Disk usage at 82.67%
|
Increase the size or free up disk space whichever is applicable. For troubleshooting steps click here |
| System unreachable |
|
| Datanode not responding | For troubleshooting steps click here |
Disk usage at 82.67%
|
|
| Storage Leader down |
|
| Storage Service down |
|
| Compute Leader down |
|
| Compute Service down |
|
| Event processor pipeline is down | Start Event Processor pipeline |
| High CPU Utilization (> 90%) | Contact DNIF support. For troubleshooting steps click here |
| High Mem Utilization (> 90%) | Contact DNIF support. For troubleshooting steps click here |
| Query server is down | For troubleshooting steps click here |
| Correlation server is down | For troubleshooting steps click here |
| Report server is down | For troubleshooting steps click here. |
- Alerts: These events indicate that there was some kind of unusual behaviour
| Events | Action |
|---|---|
| Email delivery failure, check SMTP configuration | Reconfigure SMTP with proper credentials |
| Retention service failed to clear [number of] buckets |
|
| Unable to snapshot logs |
|
| Degradation in datanode transfer |
|
| Datanode(s) not available, stopping ingestion | For troubleshooting steps click here. |
| Potential Datanode transfer failure |
|
| EVTMEM has crossed threshold | For troubleshooting steps click here |
| "System Name": EPS Governor dropped 50 events in last 5 minutes | Investigate EPS Spike |
Warning: These events indicate that there could be some critical failures
| Events | Action |
|---|---|
| Datanode transfer cache full, ingestion stopped | Increase the disk space provided. For more information contact DNIF support |
Service Monitor: These events indicate that there were some Service Failures
| Events | Action |
|---|---|
| Memory store down | Download log snapshot and send it to DNIF support |
| Signaling framework down | Download log snapshot and send it to DNIF support |
| Queue down | Download log snapshot and send it to DNIF support |
License Alert: These events indicate that there are some License related errors
| Events | Action |
|---|---|
| Unable to connect to UNET | For all license related issues contact DNIF support |
| Breached 100% Licensed Volume | Contact DNIF support |
| Device Enforcement Enabled | The system will restrict log collection to an arbitrary set of devices equaling in count to the licensed limit |
| Device Enforcement Disabled | The system will automatically disable enforcement mode if log collection is within the permissible count of devices. |
How to view Notable Events?
- Hover on the Administration icon on the left navigation panel of the Home screen, from the option displayed select Manage Components, the following screen will be displayed.
- Scroll to the end of the page to view the notable events of the cluster.
- Click the particular component to view the notable events of a particular component.
- The Notable Events screen displays the following fields:
| Field Name | Description |
|---|---|
| Component | Displays the name of the component |
| Event Type | Displays the event type example : system monitor / device monitor |
| Message | Displays the error message |
| Severity | Displays the severity level of the error event |
| Start Time | Displays the start time when the error was found |
| End Time | Displays the end time when the error was found |
You can filter notable events on the basis of event types such as System Monitor, Connector Monitor, and Alert.
Similarly, the notable events list will be displayed for all other components.
Switchboard
Switchboard lists all the possible notable events that can be encountered in DNIF. You can configure email addresses against each Notable event. An alert notification is sent to configured email addresses whenever the particular notable event has occurred.
- Hover on the Administration icon on the left navigation bar of the Home screen, from the options displayed select Switchboard, the following screen will be displayed.
The Switchboard screen displays the following fields:
| Field Name | Description |
|---|---|
| Name | Displays the name of the notable event (error message) |
| Severity | Displays the severity level of the error event |
| Configure Notification | Enter the email id of the User to be notified and click Save. |
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