[ https://issues.apache.org/jira/browse/SPARK-31591?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Takeshi Yamamuro resolved SPARK-31591. -------------------------------------- Resolution: Not A Problem See: https://github.com/apache/spark/pull/28385#issuecomment-620941771 > namePrefix could be null in Utils.createDirectory > ------------------------------------------------- > > Key: SPARK-31591 > URL: https://issues.apache.org/jira/browse/SPARK-31591 > Project: Spark > Issue Type: Bug > Components: Spark Core > Affects Versions: 3.0.0 > Reporter: Lantao Jin > Priority: Minor > > In our production, we find that many shuffle files could be located in > /hadoop/2/yarn/local/usercache/b_carmel/appcache/application_1586487864336_4602/*null*-107d4e9c-d3c7-419e-9743-a21dc4eaeb3f/3a > The Util.createDirectory() uses a default parameter "spark" > {code} > def createDirectory(root: String, namePrefix: String = "spark"): File = { > {code} > But in some cases, the actual namePrefix is null. If the method is called > with null, then the default value would not be applied. -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org