sadikovi commented on code in PR #36529: URL: https://github.com/apache/spark/pull/36529#discussion_r1152687590
########## 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: Sorry, I should have clarified this. DeleteOnExit functionality can cause performance issues due memory leaks under heavy load in certain JDK versions because while the temporary files are deleted, the entries in the map are never cleared. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org