• SpanLogger
  • Name pattern of Span Logger will not be applicable
• Sampler
  • TODO: describe the new sampling mechanism

Before

import org.springframework.cloud.sleuth.Tracer;

Tracer tracer;

After

import brave.Tracing;

Tracing tracing;

Before

Span child = tracer.createSpan("name");

After

// tracing is brave.Tracing injected instead of Sleuth's Tracer
brave.Span span = tracing.tracer().nextSpan().name("name");

Before

Span child = tracer.createSpan("name");
try {
  // do sth
} finally {
  tracer.close(child);
}

After

// tracing is brave.Tracing injected instead of Sleuth's Tracer
brave.Span span = this.tracing.tracer().nextSpan().name("name");
try {
  // do sth
} finally {
  span.finish();
}

Before

tracer.addTag("foo", "bar");

After

// tracing is brave.Tracing injected instead of Sleuth's Tracer
this.tracing.tracer().currentSpan().tag("foo", "bar");