SpringCloud/spring-cloud-sleuth
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2018-12-15 12:58:38 +00:00
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commit 10d9b53b90
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spring-cloud-sleuth.xml
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@@ -365,8 +365,7 @@ In extreme cases, too much baggage can crash the application, due to exceeding t
<simpara>The following example shows setting baggage on a span:</simpara>
<programlisting language="java" linenumbering="unnumbered">Span initialSpan = this.tracer.nextSpan().name("span").start();
ExtraFieldPropagation.set(initialSpan.context(), "foo", "bar");
ExtraFieldPropagation.set(initialSpan.context(), "UPPER_CASE", "someValue");
}</programlisting>
ExtraFieldPropagation.set(initialSpan.context(), "UPPER_CASE", "someValue");</programlisting>
<section xml:id="_baggage_versus_span_tags">
<title>Baggage versus Span Tags</title>
<simpara>Baggage travels with the trace (every child span contains the baggage of its parent).
@@ -1069,7 +1068,7 @@ baggage and propagation keys. E.g. <literal>spring.sleuth.log.slf4j.whitelisted-
<title>Extracting a Propagated Context</title>
<simpara>The <literal>TraceContext.Extractor&lt;C&gt;</literal> reads trace identifiers and sampling status from an incoming request or message.
The carrier is usually a request object or headers.</simpara>
<simpara>This utility is used in standard instrumentation (such as <literal>HttpServerHandler`</literal>) but can also be used for custom RPC or messaging code.</simpara>
<simpara>This utility is used in standard instrumentation (such as <literal>HttpServerHandler</literal>) but can also be used for custom RPC or messaging code.</simpara>
<simpara><literal>TraceContextOrSamplingFlags</literal> is usually used only with <literal>Tracer.nextSpan(extracted)</literal>, unless you are
sharing span IDs between a client and a server.</simpara>
</section>