lukecwik commented on a change in pull request #11037: [BEAM-9434] performance
improvements reading many Avro files in S3
URL: https://github.com/apache/beam/pull/11037#discussion_r403789265
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File path:
runners/spark/src/main/java/org/apache/beam/runners/spark/translation/TransformTranslator.java
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@@ -695,8 +695,10 @@ public void evaluate(Reshuffle<K, V> transform,
EvaluationContext context) {
final WindowedValue.WindowedValueCoder<KV<K, V>> wvCoder =
WindowedValue.FullWindowedValueCoder.of(coder,
windowFn.windowCoder());
+ int numPartitions =
+ Math.max(context.getSparkContext().defaultParallelism(),
inRDD.getNumPartitions());
Review comment:
I believe we should do the same thing in the streaming and batch portable
pipeline translators as well.
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