Github user LantaoJin commented on a diff in the pull request:
https://github.com/apache/spark/pull/21734#discussion_r203584220
--- Diff:
resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/YarnSparkHadoopUtil.scala
---
@@ -193,8 +193,7 @@ object YarnSparkHadoopUtil {
sparkConf: SparkConf,
hadoopConf: Configuration): Set[FileSystem] = {
val filesystemsToAccess = sparkConf.get(FILESYSTEMS_TO_ACCESS)
- .map(new Path(_).getFileSystem(hadoopConf))
- .toSet
+ val isRequestAllDelegationTokens = filesystemsToAccess.isEmpty
--- End diff --
@wangyum spark.yarn.access.hadoopFileSystems could be set with HA.
For example:
` --conf spark.yarn.access.namenodes hdfs://cluster1-ha,hdfs://cluster2-ha`
in hdfs-site.xml
` <property>`
` <name>dfs.nameservices</name>`
` <value>cluster1-ha,cluster2-ha</value>`
` </property>`
` <property>`
` <name>dfs.ha.namenodes.cluster1-ha</name>`
` <value>nn1,nn2</value>`
` </property>`
` <property>`
` <name>dfs.ha.namenodes.cluster2-ha</name>`
` <value>nn1,nn2</value>`
` </property>`
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