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Share the WebFlux parsed-route cache across requests #12561

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Merged
gh-worker-dd-mergequeue-cf854d merged 1 commit into from
Sep 21, 2026
Merged

Share the WebFlux parsed-route cache across requests #12561

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6 changes: 3 additions & 3 deletions ...c/main/java/datadog/trace/instrumentation/springwebflux/server/RouteOnSuccessOrError.java
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Original file line number Diff line number Diff line change
Expand Up @@ -31,11 +31,11 @@ public class RouteOnSuccessOrError implements Consumer<HandlerFunction<?>> {
.trim())
.replaceAll("");

private static final DDCache<String, String> PARSED_ROUTE_CACHE = DDCaches.newFixedSizeCache(64);

private final RouterFunction routerFunction;
private final ServerRequest serverRequest;

private final DDCache<String, String> parsedRouteCache = DDCaches.newFixedSizeCache(16);

public RouteOnSuccessOrError(
final RouterFunction routerFunction, final ServerRequest serverRequest) {
this.routerFunction = routerFunction;
Expand All @@ -56,7 +56,7 @@ private String parsePredicateString() {

@Nonnull
private String parseRoute(@Nonnull String routerString) {
return parsedRouteCache.computeIfAbsent(routerString, PATH_EXTRACTOR);
return PARSED_ROUTE_CACHE.computeIfAbsent(routerString, PATH_EXTRACTOR);
}

@Override
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