From d96cd7d2512f1e093663ffe209d49802c2e2867f Mon Sep 17 00:00:00 2001
From: Jakob Ackermann <jakob.ackermann@overleaf.com>
Date: Tue, 9 Sep 2025 17:45:12 +0200
Subject: [PATCH] [web] bring back sampling for compile-result-backend event
 (#28383)

GitOrigin-RevId: beec70b77d7ceb8b97d5cb4176bcde7c41cb073f
---
 .../web/app/src/Features/Compile/CompileController.js    | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/services/web/app/src/Features/Compile/CompileController.js b/services/web/app/src/Features/Compile/CompileController.js
index 4b4d09657f..27008d41ac 100644
--- a/services/web/app/src/Features/Compile/CompileController.js
+++ b/services/web/app/src/Features/Compile/CompileController.js
@@ -212,7 +212,14 @@ const _CompileController = {
       pdfDownloadDomain += outputUrlPrefix
     }
 
-    if (limits) {
+    if (
+      limits &&
+      SplitTestHandler.getPercentile(
+        AnalyticsManager.getIdsFromSession(req.session).analyticsId,
+        'compile-result-backend',
+        'release'
+      ) === 1
+    ) {
       // For a compile request to be sent to clsi we need limits.
       // If we get here without having the limits object populated, it is
       //  a reasonable assumption to make that nothing was compiled.