srowen commented on code in PR #36529:
URL: https://github.com/apache/spark/pull/36529#discussion_r1153918687
##########
common/network-common/src/main/java/org/apache/spark/network/util/JavaUtils.java:
##########
@@ -362,6 +364,60 @@ public static byte[] bufferToArray(ByteBuffer buffer) {
}
}
+ /**
+ * Create a temporary directory inside `java.io.tmpdir` with default
namePrefix "spark".
+ * The directory will be automatically deleted when the VM shuts down.
+ */
+ public static File createTempDir() throws IOException {
+ return createTempDir(System.getProperty("java.io.tmpdir"), "spark");
+ }
+
+ /**
+ * Create a temporary directory inside the given parent directory. The
directory will be
+ * automatically deleted when the VM shuts down.
+ */
+ public static File createTempDir(String root, String namePrefix) throws
IOException {
Review Comment:
Oh, OK if that means moving more code around, can we just adjust the
Utils.createTempDir implementation? separate it from JavaUtils.createTempDir I
guess, which can still be used for test code (or moved to the test tree), or
maybe we don't need both
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