boyuanzz commented on a change in pull request #13805:
URL: https://github.com/apache/beam/pull/13805#discussion_r569007893
##########
File path:
runners/google-cloud-dataflow-java/src/main/java/org/apache/beam/runners/dataflow/DataflowRunner.java
##########
@@ -1365,21 +1365,22 @@ void
addPCollectionRequiringIndexedFormat(PCollection<?> pcol) {
}
void maybeRecordPCollectionWithAutoSharding(PCollection<?> pcol) {
- if (hasExperiment(options, "beam_fn_api")) {
- LOG.warn(
- "Runner determined sharding not available in Dataflow for
GroupIntoBatches for portable "
- + "jobs. Default sharding will be applied.");
- return;
- }
- if (!options.isEnableStreamingEngine()) {
- LOG.warn(
- "Runner determined sharding not available in Dataflow for
GroupIntoBatches for Streaming "
- + "Appliance jobs. Default sharding will be applied.");
- return;
- }
- if (hasExperiment(options, "enable_streaming_auto_sharding")) {
- pcollectionsRequiringAutoSharding.add(pcol);
- }
+ // Auto-sharding is only supported in Streaming Engine.
+ checkArgument(
+ options.isEnableStreamingEngine(),
+ "Runner determined sharding not available in Dataflow for
GroupIntoBatches for"
Review comment:
The error messages here and below sounds confusing to me. If we find
that pipeline options is not valid, how about we give the correct pipeline
options in the message? We can have this improvement in a separated PR.
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