#java
2 posts.
JVM Metrics Alone Cannot Explain a Container
Introducing Pletor node-metrics-agent, an open source JVM agent that exposes host and container node metrics through JMX and works well with Prometheus JMX exporter.
javajmxprometheuscontainersobservability
When Logging Becomes the Bottleneck: Keeping Heavy Appender Work Off the Request Path
A practical guide to Log4j2 Custom Appenders through hot-path protection, bounded queues, AsyncAppender, throttling, and operational trade-offs.
javalog4j2loggingobservability