java框架有哪些用于可观测性监控的最佳实践？（

import org.<a style=color:#f60; text-decoration:underline; href="https://www.zvvq.cn/zt/15972.html" target="_blank">apache</a>.logging.log4j.LogManager; zvvq.cn

import org.apache.logging.log4j.Logger; 内容来自zvvq，别采集哟

public class LoggingExample {

private static final Logger logger = LogManager.getLogger(LoggingExample.class); 内容来自zvvq

public static void main(String[] args) {

// Log information at the INFO level 内容来自zvvq，别采集哟

logger.info("This is an informational message"); zvvq.cn

// Log an error at the ERROR level

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logger.error("An error occurred", new Exception("Error message")); 本文来自zvvq

} 内容来自samhan666

} zvvq

import io.micrometer.core.instrument.MeterRegistry;

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import io.micrometer.core.instrument.simple.SimpleMeterRegistry;

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public class MetricsExample {

private static final MeterRegistry registry = new SimpleMeterRegistry(); 内容来自zvvq

public static void main(String[] args) {

// Create a counter to track the number of requests

registry.counter("request_count").increment(); 内容来自zvvq，别采集哟

// Create a timer to measure the time spent processing requests copyright zvvq

registry.timer("request_timer").record(() -> { 内容来自zvvq，别采集哟

// Simulate processing a request

}); 本文来自zvvq

}

}

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import io.opentelemetry.api.trace.Span; zvvq.cn

import io.opentelemetry.api.trace.SpanKind; zvvq好，好zvvq

import io.opentelemetry.api.trace.Tracer;

import io.opentelemetry.api.trace.propagation.W3CTraceContextPropagator;

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import io.opentelemetry.context.Context;

import io.opentelemetry.context.Scope; 内容来自samhan666

import io.opentelemetry.exporter.trace.simple.SimpleSpanExporter; zvvq好，好zvvq

public class TracingExample {

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private static final Tracer tracer = Trace.getTracer();

private static final SpanKind spanKind = SpanKind.SERVER;

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public static void main(String[] args) { 内容来自samhan666

// Create the root span

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Span rootSpan = tracer.spanBuilder("root_span").setSpanKind(spanKind).startSpan(); copyright zvvq

// Create a child span

Span childSpan = tracer.spanBuilder("child_span").setSpanKind(spanKind).setParent(rootSpan).startSpan();

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// Close the spans to record the trace zvvq.cn

childSpan.close();

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rootSpan.close();

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}

} zvvq

<dependency> zvvq好，好zvvq

<groupId>io.micrometer</groupId>

<artifactId>micrometer-core</artifactId>

</dependency> 本文来自zvvq

<dependency>

<groupId>org.springframework.boot</groupId> 内容来自samhan666

<artifactId>spring-boot-starter-actuator</artifactId> copyright zvvq

</dependency> 内容来自samhan

@RestController

public class MetricsController { zvvq.cn

private final MeterRegistry meterRegistry; 内容来自zvvq

public MetricsController(MeterRegistry meterRegistry) {

this.meterRegistry = meterRegistry;

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} 内容来自zvvq，别采集哟

@PostMapping("/api/metrics")

public ResponseEntity<Object> postMetrics(@RequestBody List<Metric> metrics) {

metrics.forEach(metric -> meterRegistry.counter(metric.getName()).increment(metric.getValue())); 内容来自samhan666

return ResponseEntity.ok(null);

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} 内容来自samhan666

} 内容来自samhan