From e418f60bfe2c05bc3f3414de21d3147a0561ca46 Mon Sep 17 00:00:00 2001
From: Kartik Raj <karraj@microsoft.com>
Date: Wed, 20 Mar 2024 13:05:13 -0700
Subject: [PATCH] Use random sampling for sending Python environments API
 telemetry

---
 src/client/environmentApi.ts | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/client/environmentApi.ts b/src/client/environmentApi.ts
index cf70e188981d..311556b27ebf 100644
--- a/src/client/environmentApi.ts
+++ b/src/client/environmentApi.ts
@@ -134,10 +134,14 @@ export function buildEnvironmentApi(
         extensions
             .determineExtensionFromCallStack()
             .then((info) => {
-                sendTelemetryEvent(EventName.PYTHON_ENVIRONMENTS_API, undefined, {
-                    apiName,
-                    extensionId: info.extensionId,
-                });
+                const p = Math.random();
+                if (p <= 0.01) {
+                    // Only send API telemetry 1% of the time, as it can be chatty.
+                    sendTelemetryEvent(EventName.PYTHON_ENVIRONMENTS_API, undefined, {
+                        apiName,
+                        extensionId: info.extensionId,
+                    });
+                }
                 traceVerbose(`Extension ${info.extensionId} accessed ${apiName} with args: ${JSON.stringify(args)}`);
             })
             .ignoreErrors();