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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="logging stuffs, inspired by databend"><title>common_telemetry::logging - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-17e0aaed.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="common_telemetry" data-themes="" data-resource-suffix="" data-rustdoc-version="1.96.0-nightly (ac7f9ec7d 2026-03-20)" data-channel="nightly" data-search-js="search-63369b7b.js" data-stringdex-js="stringdex-2da4960a.js" data-settings-js="settings-170eb4bf.js" ><script src="../../static.files/storage-41dd4d93.js"></script><script defer src="../sidebar-items.js"></script><script defer src="../../static.files/main-5013f961.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-f7c3ffd8.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-044be391.svg"></head><body class="rustdoc mod"><a class="skip-main-content" href="#main-content">Skip to main content</a><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><rustdoc-topbar><h2><a href="#">Module logging</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../common_telemetry/index.html">common_<wbr>telemetry</a><span class="version">1.0.0</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Module logging</a></h2><h3><a href="#structs">Module Items</a></h3><ul class="block"><li><a href="#structs" title="Structs">Structs</a></li><li><a href="#enums" title="Enums">Enums</a></li><li><a href="#constants" title="Constants">Constants</a></li><li><a href="#statics" title="Statics">Statics</a></li><li><a href="#functions" title="Functions">Functions</a></li><li><a href="#types" title="Type Aliases">Type Aliases</a></li></ul></section><div id="rustdoc-modnav"><h2 class="in-crate"><a href="../index.html">In crate common_<wbr>telemetry</a></h2></div></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><div class="width-limiter"><section id="main-content" class="content" tabindex="-1"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="../index.html">common_telemetry</a></div><h1>Module <span>logging</span>&nbsp;<button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="../../src/common_telemetry/logging.rs.html#15-872">Source</a> </span></div><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>logging stuffs, inspired by databend</p>
</div></details><h2 id="structs" class="section-header">Structs<a href="#structs" class="anchor">§</a></h2><dl class="item-table"><dt><a class="struct" href="struct.LoggingOptions.html" title="struct common_telemetry::logging::LoggingOptions">Logging<wbr>Options</a></dt><dd>The logging options that used to initialize the logger.</dd><dt><a class="struct" href="struct.SlowQueryOptions.html" title="struct common_telemetry::logging::SlowQueryOptions">Slow<wbr>Query<wbr>Options</a></dt><dd>The options of slow query.</dd><dt><a class="struct" href="struct.TraceContext.html" title="struct common_telemetry::logging::TraceContext">Trace<wbr>Context</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="struct" href="struct.TraceLayer.html" title="struct common_telemetry::logging::TraceLayer">Trace<wbr>Layer</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dd>A tracing layer that can be dynamically reloaded.</dd><dt><a class="struct" href="struct.TraceReloadHandle.html" title="struct common_telemetry::logging::TraceReloadHandle">Trace<wbr>Reload<wbr>Handle</a></dt><dt><a class="struct" href="struct.TracingOptions.html" title="struct common_telemetry::logging::TracingOptions">Tracing<wbr>Options</a></dt></dl><h2 id="enums" class="section-header">Enums<a href="#enums" class="anchor">§</a></h2><dl class="item-table"><dt><a class="enum" href="enum.LogFormat.html" title="enum common_telemetry::logging::LogFormat">LogFormat</a></dt><dt><a class="enum" href="enum.OtlpExportProtocol.html" title="enum common_telemetry::logging::OtlpExportProtocol">Otlp<wbr>Export<wbr>Protocol</a></dt><dd>The protocol of OTLP export.</dd><dt><a class="enum" href="enum.SlowQueriesRecordType.html" title="enum common_telemetry::logging::SlowQueriesRecordType">Slow<wbr>Queries<wbr>Record<wbr>Type</a></dt><dt><a class="enum" href="enum.TraceState.html" title="enum common_telemetry::logging::TraceState">Trace<wbr>State</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt></dl><h2 id="constants" class="section-header">Constants<a href="#constants" class="anchor">§</a></h2><dl class="item-table"><dt><a class="constant" href="constant.DEFAULT_LOGGING_DIR.html" title="constant common_telemetry::logging::DEFAULT_LOGGING_DIR">DEFAULT_<wbr>LOGGING_<wbr>DIR</a></dt><dd>The default logs directory.</dd><dt><a class="constant" href="constant.DEFAULT_LOG_TARGETS.html" title="constant common_telemetry::logging::DEFAULT_LOG_TARGETS">DEFAULT_<wbr>LOG_<wbr>TARGETS</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="constant" href="constant.DEFAULT_OTLP_GRPC_ENDPOINT.html" title="constant common_telemetry::logging::DEFAULT_OTLP_GRPC_ENDPOINT">DEFAULT_<wbr>OTLP_<wbr>GRPC_<wbr>ENDPOINT</a></dt><dd>The default endpoint when use gRPC exporter protocol.</dd><dt><a class="constant" href="constant.DEFAULT_OTLP_HTTP_ENDPOINT.html" title="constant common_telemetry::logging::DEFAULT_OTLP_HTTP_ENDPOINT">DEFAULT_<wbr>OTLP_<wbr>HTTP_<wbr>ENDPOINT</a></dt><dd>The default endpoint when use HTTP exporter protocol.</dd></dl><h2 id="statics" class="section-header">Statics<a href="#statics" class="anchor">§</a></h2><dl class="item-table"><dt><a class="static" href="static.GLOBAL_UT_LOG_GUARD.html" title="static common_telemetry::logging::GLOBAL_UT_LOG_GUARD">GLOBAL_<wbr>UT_<wbr>LOG_<wbr>GUARD</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="static" href="static.LOG_RELOAD_HANDLE.html" title="static common_telemetry::logging::LOG_RELOAD_HANDLE">LOG_<wbr>RELOAD_<wbr>HANDLE</a></dt><dd>Handle for reloading log level</dd><dt><a class="static" href="static.TRACER.html" title="static common_telemetry::logging::TRACER">TRACER</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="static" href="static.TRACE_RELOAD_HANDLE.html" title="static common_telemetry::logging::TRACE_RELOAD_HANDLE">TRACE_<wbr>RELOAD_<wbr>HANDLE</a></dt><dd>Handle for reloading trace level</dd></dl><h2 id="functions" class="section-header">Functions<a href="#functions" class="anchor">§</a></h2><dl class="item-table"><dt><a class="fn" href="fn.build_otlp_exporter.html" title="fn common_telemetry::logging::build_otlp_exporter">build_<wbr>otlp_<wbr>exporter</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="fn" href="fn.build_slow_query_logger.html" title="fn common_telemetry::logging::build_slow_query_logger">build_<wbr>slow_<wbr>query_<wbr>logger</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="fn" href="fn.create_tracer.html" title="fn common_telemetry::logging::create_tracer">create_<wbr>tracer</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="fn" href="fn.get_or_init_tracer.html" title="fn common_telemetry::logging::get_or_init_tracer">get_<wbr>or_<wbr>init_<wbr>tracer</a></dt><dd>Ensure that the OTLP tracer has been constructed, building it lazily if needed.</dd><dt><a class="fn" href="fn.init_default_ut_logging.html" title="fn common_telemetry::logging::init_default_ut_logging">init_<wbr>default_<wbr>ut_<wbr>logging</a></dt><dd>Init tracing for unittest.
Write logs to file <code>unittest</code>.</dd><dt><a class="fn" href="fn.init_global_logging.html" title="fn common_telemetry::logging::init_global_logging">init_<wbr>global_<wbr>logging</a></dt></dl><h2 id="types" class="section-header">Type Aliases<a href="#types" class="anchor">§</a></h2><dl class="item-table"><dt><a class="type" href="type.DynSubscriber.html" title="type common_telemetry::logging::DynSubscriber">DynSubscriber</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="type" href="type.OtelTraceLayer.html" title="type common_telemetry::logging::OtelTraceLayer">Otel<wbr>Trace<wbr>Layer</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt></dl></section></div></main></body></html>
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