Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/7069#discussion_r33598505
--- Diff: core/src/main/scala/org/apache/spark/deploy/SparkHadoopUtil.scala
---
@@ -334,6 +334,18 @@ class SparkHadoopUtil extends Logging {
* Stop the thread that does the delegation token updates.
*/
private[spark] def stopExecutorDelegationTokenRenewer() {}
+
+ /**
+ * Return a fresh Hadoop configuration, bypassing the HDFS cache
mechanism.
+ * This is to prevent the DFSClient from using an old cached token to
connect to the NameNode.
+ */
+ private[spark]
+ def getConfBypassingFSCache(hadoopConf: Configuration, path: Path):
Configuration = {
--- End diff --
if it doesn't fit on one line:
```
private[spark] def getConfBypassingFSCache(
hadoopConf: Configuration,
scheme: String): Configuration = {
...
}
```
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