wenxuanguan created SPARK-27860:
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Summary: Use efficient sorting instead of `.sorted.reverse`
sequence
Key: SPARK-27860
URL: https://issues.apache.org/jira/browse/SPARK-27860
Project: Spark
Issue Type: Improvement
Components: DStreams, Structured Streaming, Web UI
Affects Versions: 2.4.3
Reporter: wenxuanguan
use descending sort instead of two action of ascending sort and reverse.
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