From 9d8cd25eff69ca116a76d7d8c99c765670af8280 Mon Sep 17 00:00:00 2001
From: Adam Raine <6752989+adamraine@users.noreply.github.com>
Date: Mon, 5 Aug 2024 18:27:38 -0700
Subject: [PATCH] core(trace-engine-result): disable invalidations handler
 (#16142)

---
 core/computed/trace-engine-result.js | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/core/computed/trace-engine-result.js b/core/computed/trace-engine-result.js
index b9f26e530e34..464ce46a53ac 100644
--- a/core/computed/trace-engine-result.js
+++ b/core/computed/trace-engine-result.js
@@ -19,7 +19,16 @@ class TraceEngineResult {
    * @return {Promise<LH.Artifacts.TraceEngineResult>}
    */
   static async runTraceEngine(traceEvents) {
-    const processor = TraceEngine.TraceProcessor.createWithAllHandlers();
+    const traceHandlers = {...TraceEngine.TraceHandlers};
+
+    // @ts-expect-error Temporarily disable this handler
+    // It's not currently used anywhere in trace engine insights or Lighthouse.
+    // TODO: Re-enable this when its memory usage is improved in the trace engine
+    // https://github.com/GoogleChrome/lighthouse/issues/16111
+    delete traceHandlers.Invalidations;
+
+    const processor = new TraceEngine.TraceProcessor(traceHandlers);
+
     // eslint-disable-next-line max-len
     await processor.parse(/** @type {import('@paulirish/trace_engine').Types.TraceEvents.TraceEventData[]} */ (
       traceEvents