eaton created SPARK-21017:
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Summary: Move the length getter before the while to improve
performance
Key: SPARK-21017
URL: https://issues.apache.org/jira/browse/SPARK-21017
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 2.1.1
Reporter: eaton
Priority: Minor
In my test, the cost of the while in the write function of HiveOutputWriter
class have improved from 48ms to 40ms for a table of 500 rows and 100 columns
when putting the length getter before the while
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