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Posted to issues@spark.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2018/12/11 13:34:00 UTC
[jira] [Commented] (SPARK-23185) Make the configuration
"spark.default.parallelism" can be changed on each SQL session to decrease
empty files
[ https://issues.apache.org/jira/browse/SPARK-23185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16717156#comment-16717156 ]
ASF GitHub Bot commented on SPARK-23185:
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AmplabJenkins 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-446203616
Can one of the admins verify this patch?
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> Make the configuration "spark.default.parallelism" can be changed on each SQL session to decrease empty files
> -------------------------------------------------------------------------------------------------------------
>
> Key: SPARK-23185
> URL: https://issues.apache.org/jira/browse/SPARK-23185
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.2.1
> Reporter: LvDongrong
> Priority: Minor
>
> When execute "insert into ... values ...", many empty files will be generated.We can change the configuration "spark.default.parallelism" to decrease the number of empty files.But there are many occasions that we want to chang the configuration during each session so as not to influence other sql sentences, like we may use thrift server to excute many sql sentences on a SQL session.
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