From 984673d3a1d183ecab62ab02e58bd320c7161f58 Mon Sep 17 00:00:00 2001
From: Ahmed Abualsaud <ahmedabualsaud@google.com>
Date: Wed, 18 Dec 2024 11:35:30 -0500
Subject: [PATCH] add comment

---
 .../providers/BigQueryFileLoadsSchemaTransformProvider.java      | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/bigquery/providers/BigQueryFileLoadsSchemaTransformProvider.java b/sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/bigquery/providers/BigQueryFileLoadsSchemaTransformProvider.java
index 0e52104131a4..1c5f2ef1c7d7 100644
--- a/sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/bigquery/providers/BigQueryFileLoadsSchemaTransformProvider.java
+++ b/sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/bigquery/providers/BigQueryFileLoadsSchemaTransformProvider.java
@@ -108,6 +108,7 @@ BigQueryIO.Write<Row> toWrite(Schema schema, PipelineOptions options) {
               .withCustomGcsTempLocation(
                   ValueProvider.StaticValueProvider.of(options.getTempLocation()))
               .withWriteDisposition(WriteDisposition.WRITE_APPEND)
+              // Use Avro format for better performance. Don't change this unless it's for a good reason.
               .withAvroFormatFunction(dynamicDestinations.getAvroFilterFormatFunction(false));
 
       if (!Strings.isNullOrEmpty(configuration.getCreateDisposition())) {