virajjasani commented on a change in pull request #2945:
URL: https://github.com/apache/hadoop/pull/2945#discussion_r617639135
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File path:
hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/store/driver/impl/StateStoreFileImpl.java
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@@ -88,7 +88,16 @@ protected String getRootDir() {
if (this.rootDirectory == null) {
String dir = getConf().get(FEDERATION_STORE_FILE_DIRECTORY);
if (dir == null) {
- File tempDir = Files.createTempDir();
+ File tempDirBase =
+ new File(System.getProperty("java.io.tmpdir"));
+ File tempDir = null;
+ try {
+ tempDir = java.nio.file.Files.createTempDirectory(
+ tempDirBase.toPath(), System.currentTimeMillis() + "-").toFile();
+ } catch (IOException e) {
+ // fallback to the base upon exception.
Review comment:
Maybe a debug log would be good since this is rare anyways?
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