Tools / Apache HertzBeat Interview Questions
List the categories of systems HertzBeat can monitor?
HertzBeat's templates span most layers of a typical infrastructure stack:
- Application services — HTTP/HTTPS APIs, websites, SSL certificates, SpringBoot apps.
- Databases — MySQL, PostgreSQL, Oracle, and others via JDBC.
- Caches — Redis and similar in-memory stores.
- Operating systems — Linux, Windows, macOS metrics via SSH/WMI.
- Middleware and big data — Kafka, Kubernetes, Hadoop, HDFS, HBase, Storm.
- Cloud-native platforms — container and orchestration metrics.
- Network devices — SNMP-based switches and routers.
- Custom targets — anything reachable through a hand-written YML template.
Which category covers MySQL and PostgreSQL monitoring in HertzBeat?
A target with no built-in template can still be monitored by:
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