[ https://issues.apache.org/jira/browse/SPARK-17536?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sean Owen resolved SPARK-17536. ------------------------------- Resolution: Fixed Fix Version/s: 2.1.0 Issue resolved by pull request 15098 [https://github.com/apache/spark/pull/15098] > Minor performance improvement to JDBC batch inserts > --------------------------------------------------- > > Key: SPARK-17536 > URL: https://issues.apache.org/jira/browse/SPARK-17536 > Project: Spark > Issue Type: Improvement > Components: SQL > Affects Versions: 2.0.0 > Reporter: John Muller > Priority: Trivial > Labels: perfomance > Fix For: 2.1.0 > > Original Estimate: 0.5h > Remaining Estimate: 0.5h > > JDBC batch inserts currently are set to repeatedly retrieve the number of > fields inside the row iterator: > https://github.com/apache/spark/blob/master/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JdbcUtils.scala#L598 > val numFields = rddSchema.fields.length > This value does not change and can be set prior to the loop. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org