The Events page displays events generated by EMR-APM, containing alerts, common events, and event logs.
Enter the Events page
- Log on to the Alibaba Cloud E-MapReduce console.
- Click the Monitor tab.
- In the left-side navigation pane, click Events.
The Events page contains the Alerts, Common Events, and Event Log tabs.
- Alerts: critical events that require attention.
- Common events: non-critical events, such as instance start and some errors.
- Event logs: important events that are detected by the log exception analysis feature
of EMR-APM. The event logs facilitate troubleshooting and help you locate issues.
Event logs contain the details about service exceptions and are more comprehensive
than alerts generated from metric analysis.
You can view the context of a log on EMR-APM. For more details, see the subsequent sections.