Rollout interpolation search for asset manifests (1/20,000) (#8084)

Author: GregBrimble

.changeset/fifty-hairs-drum.md

@@ -0,0 +1,5 @@
+---
+"@cloudflare/workers-shared": minor
+---
+
+Rollout interpolation search method for asset manifests (1 / 20,000 requests)

packages/workers-shared/asset-worker/src/index.ts

@@ -217,7 +217,7 @@ export default class extends WorkerEntrypoint<Env> {
 		const analytics = new ExperimentAnalytics(this.env.EXPERIMENT_ANALYTICS);
 		const performance = new PerformanceTimer(this.env.UNSAFE_PERFORMANCE);
 
-		const INTERPOLATION_EXPERIMENT_SAMPLE_RATE = 0;
+		const INTERPOLATION_EXPERIMENT_SAMPLE_RATE = 1 / 20_000; // 0.00005 = 0.005%
 		let searchMethod: "binary" | "interpolation" = "binary";
 		if (Math.random() < INTERPOLATION_EXPERIMENT_SAMPLE_RATE) {
 			searchMethod = "interpolation";