[GitHub] [flink] liufangqi commented on a change in pull request #17958: FLINK-25029: Hadoop Caller Context Setting in Flink

[GitBox <gi...@apache.org>]

liufangqi commented on a change in pull request #17958:
URL: https://github.com/apache/flink/pull/17958#discussion_r785391572



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File path: flink-filesystems/flink-hadoop-fs/src/main/java/org/apache/flink/runtime/fs/hdfs/HadoopFsFactory.java
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@@ -75,6 +75,12 @@ public FileSystem create(URI fsUri) throws IOException {
         // from here on, we need to handle errors due to missing optional
         // dependency classes
         try {
+            // -- (0) set hadoop caller context
+
+            if (getCurrent() != null && flinkConfig != null) {
+                HadoopUtils.setCallerContext(getCurrent(), flinkConfig);

Review comment:
       THX for your review. First, I think it's not JVM-wide cache, there is a ThreadLoacal was used, I think it's a thread-wide, WDYT?




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