change python api.git status

Author: haoyuan

core/src/main/java/org/apache/spark/api/java/StorageLevels.java

@@ -53,16 +53,16 @@ public static StorageLevel create(boolean useDisk, boolean useMemory, boolean de
    * Create a new StorageLevel object.
    * @param useDisk saved to disk, if true
    * @param useMemory saved to memory, if true
-   * @param useTachyon saved to Tachyon, if true
+   * @param useOffHeap saved to Tachyon, if true
    * @param deserialized saved as deserialized objects, if true
    * @param replication replication factor
    */
   public static StorageLevel create(
     boolean useDisk,
     boolean useMemory,
-    boolean useTachyon,
+    boolean useOffHeap,
     boolean deserialized,
     int replication) {
-    return StorageLevel.apply(useDisk, useMemory, useTachyon, deserialized, replication);
+    return StorageLevel.apply(useDisk, useMemory, useOffHeap, deserialized, replication);
   }
 }

python/pyspark/storagelevel.py

@@ -25,10 +25,10 @@ class StorageLevel:
     Also contains static constants for some commonly used storage levels, such as MEMORY_ONLY.
     """
 
-    def __init__(self, useDisk, useMemory, useTachyon, deserialized, replication = 1):
+    def __init__(self, useDisk, useMemory, useOffHeap, deserialized, replication = 1):
         self.useDisk = useDisk
         self.useMemory = useMemory
-        self.useTachyon = useTachyon
+        self.useOffHeap = useOffHeap
         self.deserialized = deserialized
         self.replication = replication