[ https://issues.apache.org/jira/browse/SPARK-18679?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-18679: ------------------------------------ Assignee: (was: Apache Spark) > Regression in file listing performance > -------------------------------------- > > Key: SPARK-18679 > URL: https://issues.apache.org/jira/browse/SPARK-18679 > Project: Spark > Issue Type: Bug > Components: SQL > Affects Versions: 2.1.0 > Reporter: Eric Liang > Priority: Blocker > > In Spark 2.1 ListingFileCatalog was significantly refactored (and renamed to > InMemoryFileIndex). > It seems there is a performance regression here where we no longer > performance listing in parallel for the non-root directory. This forces file > listing to be completely serial when resolving datasource tables that are not > backed by an external catalog. -- 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