Myasuka commented on issue #9007: [FLINK-13131] [Deployment / YARN] add a custom directory for storing configuration files and jar files for user jobs URL: https://github.com/apache/flink/pull/9007#issuecomment-508973648 @zhangbinzaifendou Please correct me if I am wrong, if `dfs.user.home.dir.prefix` has been configured to another value, e.g. `"/home"`. From Hadoop latest code, [`DistributedFileSystem`](https://github.com/apache/hadoop/blob/9c907294860a48f0d1676a31bda15795b7a6771a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DistributedFileSystem.java#L211) would return the home directory as `"/home/userxxx"` via [DFSUtilClient](https://github.com/apache/hadoop/blob/9c907294860a48f0d1676a31bda15795b7a6771a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DFSUtilClient.java#L1006). In other words, there is no need for flink user to configure the staging folder since Hadoop could return the wanted home directory even `dfs.user.home.dir.prefix` changed.
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