From 1fd191d3195ae7c9e00545977ebfbdcc05f13e20 Mon Sep 17 00:00:00 2001
From: Boyuan Zhang <boyuanz@google.com>
Date: Thu, 27 May 2021 14:23:36 -0700
Subject: [PATCH] Populate use_sdf_read in ExpansionService.

---
 .../apache/beam/sdk/expansion/service/ExpansionService.java    | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sdks/java/expansion-service/src/main/java/org/apache/beam/sdk/expansion/service/ExpansionService.java b/sdks/java/expansion-service/src/main/java/org/apache/beam/sdk/expansion/service/ExpansionService.java
index 72e73848b389..d4f0e6a1a535 100644
--- a/sdks/java/expansion-service/src/main/java/org/apache/beam/sdk/expansion/service/ExpansionService.java
+++ b/sdks/java/expansion-service/src/main/java/org/apache/beam/sdk/expansion/service/ExpansionService.java
@@ -394,6 +394,9 @@ private Map<String, TransformProvider> loadRegisteredTransforms() {
     Pipeline pipeline = Pipeline.create();
     ExperimentalOptions.addExperiment(
         pipeline.getOptions().as(ExperimentalOptions.class), "beam_fn_api");
+    // TODO(BEAM-10670): Remove this when we address performance issue.
+    ExperimentalOptions.addExperiment(
+        pipeline.getOptions().as(ExperimentalOptions.class), "use_sdf_read");
 
     ClassLoader classLoader = Environments.class.getClassLoader();
     if (classLoader == null) {