[ALLUXIO-3222] Change LOAD TtlAction default value to FREE (#7425)

* ALLUXIO-3222 Change TtlAction default value to FREE

* Fix some of the failed UTs

* Fix failed UTs

* Fix FileSystemMasterTest#setSmallerTtlForDirectoryWithTtl

* Fix checkstyle import group error

* Set TtlAction default value to FREE in SetTtlCommand.class

* Make client side CreateDirectory(File)Options and OutStreamOptions TtlAction.DELETE by default

* Fix LineageFileSystemTest failure

* Revert all default FREE back to default DELETE

* Remove unused import

* Fix test

core/client/fs/src/main/java/alluxio/client/file/BaseFileSystem.java

@@ -40,7 +40,6 @@
 import alluxio.exception.status.InvalidArgumentException;
 import alluxio.exception.status.NotFoundException;
 import alluxio.exception.status.UnavailableException;
-import alluxio.wire.CommonOptions;
 import alluxio.wire.LoadMetadataType;
 import alluxio.wire.MountPointInfo;
 
@@ -122,9 +121,10 @@ public FileOutStream createFile(AlluxioURI path, CreateFileOptions options)
     try {
       masterClient.createFile(path, options);
       // Do not sync before this getStatus, since the UFS file is expected to not exist.
-      status = masterClient.getStatus(path,
-          GetStatusOptions.defaults().setLoadMetadataType(LoadMetadataType.Never)
-              .setCommonOptions(CommonOptions.defaults().setSyncIntervalMs(-1)));
+      GetStatusOptions opts = GetStatusOptions.defaults();
+      opts.setLoadMetadataType(LoadMetadataType.Never);
+      opts.getCommonOptions().setSyncIntervalMs(-1);
+      status = masterClient.getStatus(path, opts);
       LOG.debug("Created file {}, options: {}", path.getPath(), options);
     } catch (AlreadyExistsException e) {
       throw new FileAlreadyExistsException(e.getMessage());

core/common/src/main/java/alluxio/PropertyKey.java

@@ -2391,9 +2391,9 @@ public String toString() {
           .build();
   public static final PropertyKey USER_FILE_LOAD_TTL_ACTION =
       new Builder(Name.USER_FILE_LOAD_TTL_ACTION)
-          .setDefaultValue("DELETE")
+          .setDefaultValue("FREE")
           .setDescription("When file's ttl is expired, the action performs on it. "
-              + "DELETE by default")
+              + "FREE by default")
           .build();
   public static final PropertyKey USER_FILE_READ_TYPE_DEFAULT =
       new Builder(Name.USER_FILE_READ_TYPE_DEFAULT)