vamsikarnika commented on code in PR #19904:
URL: https://github.com/apache/hudi/pull/19904#discussion_r3991110400
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hudi-hadoop-common/src/test/java/org/apache/hudi/common/util/TestFileIOUtils.java:
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@@ -98,6 +101,61 @@ public void testGetConfiguredLocalDirs() {
envMaps.get("LOCAL_DIRS"));
}
+ @Test
+ public void testGetConfiguredLocalDirsPrefersSparkLocalDirs() {
+ Map<String, String> envMaps = mutableEnv();
+ String originalContainerId = envMaps.get("CONTAINER_ID");
+ String originalLocalDirs = envMaps.get("LOCAL_DIRS");
+ String originalSparkLocalDirs = envMaps.get("SPARK_LOCAL_DIRS");
+ try {
+ // Not under YARN: SPARK_LOCAL_DIRS is used in preference to
java.io.tmpdir.
+ envMaps.remove("CONTAINER_ID");
+ envMaps.remove("LOCAL_DIRS");
+ envMaps.put("SPARK_LOCAL_DIRS", "/spark-dir-1");
+ assertEquals("/spark-dir-1", String.join("",
FileIOUtils.getConfiguredLocalDirs()));
+
+ // Comma separated values are split, as they are for YARN.
+ envMaps.put("SPARK_LOCAL_DIRS", "/spark-dir-1,/spark-dir-2");
+ assertEquals(Arrays.asList("/spark-dir-1", "/spark-dir-2"),
+ Arrays.asList(FileIOUtils.getConfiguredLocalDirs()));
+
+ // YARN keeps precedence when both are present.
+ envMaps.put("CONTAINER_ID", "container_xxx");
+ envMaps.put("LOCAL_DIRS", "/yarn-dir");
+ assertEquals("/yarn-dir", String.join("",
FileIOUtils.getConfiguredLocalDirs()));
+
+ // Neither set: unchanged fallback to java.io.tmpdir.
+ envMaps.remove("CONTAINER_ID");
Review Comment:
Good catch — refactored `testGetConfiguredLocalDirs` to reuse `mutableEnv()`
instead of keeping a second copy of the reflection lookup.
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