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Cleaning Up Unused and Ambiguous Configurations #10094

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058044a
updating supported-configurations.json
mhlidd Dec 5, 2025
551133d
removing all unused configs
mhlidd Dec 5, 2025
8b122a7
removing add.span.pointers as a config and using it as a suffix instead
mhlidd Dec 5, 2025
1751acd
renaming DD_UNDERTOW_CONTINUATION to prevent confusing it as a config
mhlidd Dec 5, 2025
3c3a0c5
add additional configs
mhlidd Dec 5, 2025
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1 change: 1 addition & 0 deletions buildSrc/src/main/kotlin/datadog/gradle/plugin/config/ConfigInversionLinter.kt
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Expand Up @@ -82,6 +82,7 @@ private fun registerLogEnvVarUsages(target: Project, extension: SupportedTracerC
val javaFiles = target.fileTree(target.projectDir) {
include("**/src/main/java/**/*.java")
exclude("**/build/**", "**/dd-smoke-tests/**")
exclude("dd-java-agent/instrumentation/undertow/src/main/java/datadog/trace/instrumentation/undertow/UndertowDecorator.java")
}
inputs.files(javaFiles)
outputs.upToDateWhen { true }
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4 changes: 2 additions & 2 deletions ...ndertow/src/main/java/datadog/trace/instrumentation/undertow/UndertowBlockingHandler.java
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@@ -1,6 +1,6 @@
package datadog.trace.instrumentation.undertow;

import static datadog.trace.instrumentation.undertow.UndertowDecorator.DD_UNDERTOW_CONTINUATION;
import static datadog.trace.instrumentation.undertow.UndertowDecorator.DATADOG_UNDERTOW_CONTINUATION;

import datadog.appsec.api.blocking.BlockingContentType;
import datadog.trace.api.gateway.Flow;
Expand Down Expand Up @@ -117,7 +117,7 @@ private static void commitBlockingResponse(
}

private static void markAsEffectivelyBlocked(HttpServerExchange xchg) {
AgentScope.Continuation continuation = xchg.getAttachment(DD_UNDERTOW_CONTINUATION);
AgentScope.Continuation continuation = xchg.getAttachment(DATADOG_UNDERTOW_CONTINUATION);
if (continuation != null) {
continuation.span().getRequestContext().getTraceSegment().effectivelyBlocked();
}
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2 changes: 1 addition & 1 deletion ...tion/undertow/src/main/java/datadog/trace/instrumentation/undertow/UndertowDecorator.java
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Expand Up @@ -26,7 +26,7 @@ public class UndertowDecorator
InstanceStore.of(AttachmentKey.class);

@SuppressWarnings("unchecked")
public static final AttachmentKey<AgentScope.Continuation> DD_UNDERTOW_CONTINUATION =
public static final AttachmentKey<AgentScope.Continuation> DATADOG_UNDERTOW_CONTINUATION =
attachmentStore.putIfAbsent(
"DD_UNDERTOW_CONTINUATION", () -> AttachmentKey.create(AgentScope.Continuation.class));

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4 changes: 2 additions & 2 deletions ...tow-2.0/src/main/java/datadog/trace/instrumentation/undertow/ExchangeEndSpanListener.java
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@@ -1,7 +1,7 @@
package datadog.trace.instrumentation.undertow;

import static datadog.trace.bootstrap.instrumentation.api.AgentSpan.fromContext;
import static datadog.trace.instrumentation.undertow.UndertowDecorator.DD_UNDERTOW_CONTINUATION;
import static datadog.trace.instrumentation.undertow.UndertowDecorator.DATADOG_UNDERTOW_CONTINUATION;
import static datadog.trace.instrumentation.undertow.UndertowDecorator.DECORATE;

import datadog.context.Context;
Expand All @@ -18,7 +18,7 @@ private ExchangeEndSpanListener() {}

@Override
public void exchangeEvent(HttpServerExchange exchange, NextListener nextListener) {
AgentScope.Continuation continuation = exchange.getAttachment(DD_UNDERTOW_CONTINUATION);
AgentScope.Continuation continuation = exchange.getAttachment(DATADOG_UNDERTOW_CONTINUATION);
if (continuation == null) {
return;
}
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6 changes: 3 additions & 3 deletions ...rtow-2.0/src/main/java/datadog/trace/instrumentation/undertow/HandlerInstrumentation.java
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Expand Up @@ -5,7 +5,7 @@
import static datadog.trace.bootstrap.instrumentation.api.Java8BytecodeBridge.spanFromContext;
import static datadog.trace.instrumentation.undertow.UndertowBlockingHandler.REQUEST_BLOCKING_DATA;
import static datadog.trace.instrumentation.undertow.UndertowBlockingHandler.TRACE_SEGMENT;
import static datadog.trace.instrumentation.undertow.UndertowDecorator.DD_UNDERTOW_CONTINUATION;
import static datadog.trace.instrumentation.undertow.UndertowDecorator.DATADOG_UNDERTOW_CONTINUATION;
import static datadog.trace.instrumentation.undertow.UndertowDecorator.DECORATE;
import static net.bytebuddy.matcher.ElementMatchers.isMethod;
import static net.bytebuddy.matcher.ElementMatchers.isPublic;
Expand Down Expand Up @@ -87,7 +87,7 @@ public static void onEnter(
}
}

AgentScope.Continuation continuation = exchange.getAttachment(DD_UNDERTOW_CONTINUATION);
AgentScope.Continuation continuation = exchange.getAttachment(DATADOG_UNDERTOW_CONTINUATION);
if (continuation != null) {
// not yet complete, not ready to do final activation of continuation
scope = continuation.span().attach();
Expand All @@ -101,7 +101,7 @@ public static void onEnter(
DECORATE.afterStart(span);
DECORATE.onRequest(span, exchange, exchange, parentContext);

exchange.putAttachment(DD_UNDERTOW_CONTINUATION, captureSpan(span));
exchange.putAttachment(DATADOG_UNDERTOW_CONTINUATION, captureSpan(span));

exchange.addExchangeCompleteListener(ExchangeEndSpanListener.INSTANCE);

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4 changes: 2 additions & 2 deletions .../java/datadog/trace/instrumentation/undertow/HttpServerExchangeSenderInstrumentation.java
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@@ -1,7 +1,7 @@
package datadog.trace.instrumentation.undertow;

import static datadog.trace.agent.tooling.bytebuddy.matcher.NameMatchers.named;
import static datadog.trace.instrumentation.undertow.UndertowDecorator.DD_UNDERTOW_CONTINUATION;
import static datadog.trace.instrumentation.undertow.UndertowDecorator.DATADOG_UNDERTOW_CONTINUATION;
import static net.bytebuddy.matcher.ElementMatchers.isPrivate;
import static net.bytebuddy.matcher.ElementMatchers.not;
import static net.bytebuddy.matcher.ElementMatchers.takesArguments;
Expand Down Expand Up @@ -62,7 +62,7 @@ static class GetResponseChannelAdvice {
return false;
}

AgentScope.Continuation continuation = xchg.getAttachment(DD_UNDERTOW_CONTINUATION);
AgentScope.Continuation continuation = xchg.getAttachment(DATADOG_UNDERTOW_CONTINUATION);
if (continuation == null) {
return false;
}
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4 changes: 2 additions & 2 deletions ...rtow-2.0/src/main/java/datadog/trace/instrumentation/undertow/ServletInstrumentation.java
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Expand Up @@ -5,7 +5,7 @@
import static datadog.trace.bootstrap.instrumentation.api.InstrumentationTags.SERVLET_PATH;
import static datadog.trace.bootstrap.instrumentation.decorator.HttpServerDecorator.DD_CONTEXT_ATTRIBUTE;
import static datadog.trace.bootstrap.instrumentation.decorator.http.HttpResourceDecorator.HTTP_RESOURCE_DECORATOR;
import static datadog.trace.instrumentation.undertow.UndertowDecorator.DD_UNDERTOW_CONTINUATION;
import static datadog.trace.instrumentation.undertow.UndertowDecorator.DATADOG_UNDERTOW_CONTINUATION;
import static datadog.trace.instrumentation.undertow.UndertowDecorator.SERVLET_REQUEST;
import static net.bytebuddy.matcher.ElementMatchers.isMethod;

Expand Down Expand Up @@ -64,7 +64,7 @@ public static class DispatchAdvice {
public static void enter(
@Advice.Argument(0) final HttpServerExchange exchange,
@Advice.Argument(1) final ServletRequestContext servletRequestContext) {
AgentScope.Continuation continuation = exchange.getAttachment(DD_UNDERTOW_CONTINUATION);
AgentScope.Continuation continuation = exchange.getAttachment(DATADOG_UNDERTOW_CONTINUATION);
if (continuation != null) {
AgentSpan undertowSpan = continuation.span();
ServletRequest request = servletRequestContext.getServletRequest();
Expand Down
4 changes: 2 additions & 2 deletions ...2/src/main/java/datadog/trace/instrumentation/undertow/JakartaServletInstrumentation.java
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Expand Up @@ -4,7 +4,7 @@
import static datadog.trace.bootstrap.instrumentation.api.InstrumentationTags.SERVLET_CONTEXT;
import static datadog.trace.bootstrap.instrumentation.api.InstrumentationTags.SERVLET_PATH;
import static datadog.trace.bootstrap.instrumentation.decorator.HttpServerDecorator.DD_CONTEXT_ATTRIBUTE;
import static datadog.trace.instrumentation.undertow.UndertowDecorator.DD_UNDERTOW_CONTINUATION;
import static datadog.trace.instrumentation.undertow.UndertowDecorator.DATADOG_UNDERTOW_CONTINUATION;
import static datadog.trace.instrumentation.undertow.UndertowDecorator.SERVLET_REQUEST;
import static net.bytebuddy.matcher.ElementMatchers.isMethod;

Expand Down Expand Up @@ -56,7 +56,7 @@ public static class DispatchAdvice {
public static void enter(
@Advice.Argument(0) final HttpServerExchange exchange,
@Advice.Argument(1) final ServletRequestContext servletRequestContext) {
AgentScope.Continuation continuation = exchange.getAttachment(DD_UNDERTOW_CONTINUATION);
AgentScope.Continuation continuation = exchange.getAttachment(DATADOG_UNDERTOW_CONTINUATION);
if (continuation != null) {
AgentSpan undertowSpan = continuation.span();
ServletRequest request = servletRequestContext.getServletRequest();
Expand Down
1 change: 0 additions & 1 deletion dd-trace-api/src/main/java/datadog/trace/api/ConfigDefaults.java
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Expand Up @@ -293,7 +293,6 @@ public final class ConfigDefaults {
static final boolean DEFAULT_ELASTICSEARCH_BODY_ENABLED = false;
static final boolean DEFAULT_ELASTICSEARCH_PARAMS_ENABLED = true;
static final boolean DEFAULT_ELASTICSEARCH_BODY_AND_PARAMS_ENABLED = false;
static final boolean DEFAULT_ADD_SPAN_POINTERS = true;

static final boolean DEFAULT_SPARK_TASK_HISTOGRAM_ENABLED = true;
static final boolean DEFAULT_SPARK_APP_NAME_AS_SERVICE = false;
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11 changes: 0 additions & 11 deletions dd-trace-api/src/main/java/datadog/trace/api/config/AppSecConfig.java
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Expand Up @@ -50,17 +50,6 @@ public final class AppSecConfig {
public static final String APPSEC_MAX_STACK_TRACE_DEPTH = "appsec.max.stack-trace.depth";
public static final String APPSEC_MAX_STACKTRACE_DEPTH_DEPRECATED =
"appsec.max.stacktrace.depth"; // old non-standard as a fallback alias
@Deprecated public static final String APPSEC_COLLECT_ALL_HEADERS = "appsec.collect.all.headers";

@Deprecated
public static final String APPSEC_MAX_COLLECTED_HEADERS = "appsec.max.collected.headers";

@Deprecated
public static final String APPSEC_HEADER_COLLECTION_REDACTION_ENABLED =
"appsec.header.collection.redaction.enabled";

@Deprecated
public static final String APPSEC_RASP_COLLECT_REQUEST_BODY = "appsec.rasp.collect.request.body";

private AppSecConfig() {}
}
3 changes: 1 addition & 2 deletions dd-trace-api/src/main/java/datadog/trace/api/config/ProfilingConfig.java
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Expand Up @@ -55,8 +55,7 @@ public final class ProfilingConfig {
public static final String PROFILING_BACKPRESSURE_SAMPLING_ENABLED =
"profiling.backpressure.sampling.enabled";
public static final boolean PROFILING_BACKPRESSURE_SAMPLING_ENABLED_DEFAULT = false;
public static final String PROFILING_BACKPRESSURE_SAMPLE_LIMIT =
"profiling.backpressure.sample.limit";

public static final int PROFILING_BACKPRESSURE_SAMPLE_LIMIT_DEFAULT = 10_000;

public static final String PROFILING_DIRECT_ALLOCATION_SAMPLE_LIMIT =
Expand Down
4 changes: 0 additions & 4 deletions dd-trace-api/src/main/java/datadog/trace/api/config/TraceInstrumentationConfig.java
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Expand Up @@ -38,9 +38,6 @@ public final class TraceInstrumentationConfig {
public static final String EXPERIMENTAL_DEFER_INTEGRATIONS_UNTIL =
"experimental.defer.integrations.until";

@SuppressWarnings("unused")
public static final String TRACE_TESTS_ENABLED = "trace.tests.enabled";

public static final String TRACE_THREAD_POOL_EXECUTORS_EXCLUDE =
"trace.thread-pool-executors.exclude";

Expand Down Expand Up @@ -198,7 +195,6 @@ public final class TraceInstrumentationConfig {
public static final String AXIS_PROMOTE_RESOURCE_NAME = "trace.axis.promote.resource-name";

public static final String SQS_BODY_PROPAGATION_ENABLED = "trace.sqs.body.propagation.enabled";
public static final String ADD_SPAN_POINTERS = "add.span.pointers";

private TraceInstrumentationConfig() {}
}
8 changes: 1 addition & 7 deletions internal-api/src/main/java/datadog/trace/api/Config.java
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Expand Up @@ -2,7 +2,6 @@

import static datadog.environment.JavaVirtualMachine.isJavaVersion;
import static datadog.environment.JavaVirtualMachine.isJavaVersionAtLeast;
import static datadog.trace.api.ConfigDefaults.DEFAULT_ADD_SPAN_POINTERS;
import static datadog.trace.api.ConfigDefaults.DEFAULT_AGENT_HOST;
import static datadog.trace.api.ConfigDefaults.DEFAULT_AGENT_TIMEOUT;
import static datadog.trace.api.ConfigDefaults.DEFAULT_AGENT_WRITER_TYPE;
Expand Down Expand Up @@ -519,7 +518,6 @@
import static datadog.trace.api.config.RumConfig.RUM_TRACK_RESOURCES;
import static datadog.trace.api.config.RumConfig.RUM_TRACK_USER_INTERACTION;
import static datadog.trace.api.config.RumConfig.RUM_VERSION;
import static datadog.trace.api.config.TraceInstrumentationConfig.ADD_SPAN_POINTERS;
import static datadog.trace.api.config.TraceInstrumentationConfig.AXIS_PROMOTE_RESOURCE_NAME;
import static datadog.trace.api.config.TraceInstrumentationConfig.CASSANDRA_KEYSPACE_STATEMENT_EXTRACTION_ENABLED;
import static datadog.trace.api.config.TraceInstrumentationConfig.CODE_ORIGIN_FOR_SPANS_ENABLED;
Expand Down Expand Up @@ -5262,11 +5260,7 @@ public boolean isTimeInQueueEnabled(
}

public boolean isAddSpanPointers(final String integrationName) {
return configProvider.isEnabled(
Collections.singletonList(ADD_SPAN_POINTERS),
integrationName,
"",
DEFAULT_ADD_SPAN_POINTERS);
return configProvider.isEnabled(Arrays.asList(integrationName), "", "add.span.pointers", true);
}

public boolean isEnabled(
Expand Down
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