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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2018/12/11 20:30:35 UTC
[GitHub] srowen commented on issue #20356: [SPARK-23185][SQL] Make the
configuration "spark.default.parallelism" can be changed on each SQL
session to decrease empty files
srowen commented on issue #20356: [SPARK-23185][SQL] Make the configuration "spark.default.parallelism" can be changed on each SQL session to decrease empty files
URL: https://github.com/apache/spark/pull/20356#issuecomment-446350850
Yeah this isn't the right fix. It's 'default' parallelism after all. This would potentially increase the number of output files in other situations, and also create empty files, like when there are fewer rows than default parallelism.
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