shunping commented on code in PR #39445:
URL: https://github.com/apache/beam/pull/39445#discussion_r3639594763
##########
sdks/java/extensions/google-cloud-platform-core/src/main/java/org/apache/beam/sdk/extensions/gcp/options/GcsOptions.java:
##########
@@ -49,12 +58,19 @@ public interface GcsOptions extends ApplicationNameOptions,
GcpOptions, Pipeline
class GcsReadOptionsFactory implements
DefaultValueFactory<GoogleCloudStorageReadOptions> {
@Override
public GoogleCloudStorageReadOptions create(PipelineOptions options) {
- return GoogleCloudStorageReadOptions.DEFAULT;
+ // In gcs-connector v3, GoogleCloudStorageReadOptions.DEFAULT changed
fadvise from SEQUENTIAL
+ // to AUTO. Beam workloads default to SEQUENTIAL to preserve expected
sequential read
+ // throughput and caching behavior.
+ return GoogleCloudStorageReadOptions.DEFAULT
+ .toBuilder()
+ .setFadvise(GoogleCloudStorageReadOptions.Fadvise.SEQUENTIAL)
+ .build();
Review Comment:
Done.
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