TAJO-2024: Remove getContentSummary from HCatalogStore.

Closes #914
diff --git a/CHANGES b/CHANGES
index 8756d5e..e288c43 100644
--- a/CHANGES
+++ b/CHANGES
@@ -104,9 +104,11 @@
 
   SUB TASKS
 
-    TAJO-1856: Add a description about the relationship of tablespace, managed table, 
-    and external table to Tablespace section of Table Management chapter. 
-    (Contributed by Jongyoung Park. Committed by jihoon)
+    TAJO-2024: Remove getContentSummary from HCatalogStore. (hyunsik)
+
+    TAJO-1856: Add a description about the relationship of tablespace, 
+    managed table, and external table to Tablespace section of Table 
+    Management chapter. (Contributed by Jongyoung Park. Committed by jihoon)
 
 
 Release 0.11.0 - Released
diff --git a/tajo-catalog/tajo-catalog-drivers/tajo-hive/src/main/java/org/apache/tajo/catalog/store/HiveCatalogStore.java b/tajo-catalog/tajo-catalog-drivers/tajo-hive/src/main/java/org/apache/tajo/catalog/store/HiveCatalogStore.java
index 76256c5..d9f87e3 100644
--- a/tajo-catalog/tajo-catalog-drivers/tajo-hive/src/main/java/org/apache/tajo/catalog/store/HiveCatalogStore.java
+++ b/tajo-catalog/tajo-catalog-drivers/tajo-hive/src/main/java/org/apache/tajo/catalog/store/HiveCatalogStore.java
@@ -223,17 +223,8 @@
         long totalSize = 0;
         if (properties.getProperty("totalSize") != null) {
           totalSize = Long.parseLong(properties.getProperty("totalSize"));
-        } else {
-          try {
-            FileSystem fs = path.getFileSystem(conf);
-            if (fs.exists(path)) {
-              totalSize = fs.getContentSummary(path).getLength();
-            }
-          } catch (IOException ioe) {
-            throw new TajoInternalError(ioe);
-          }
+          stats.setNumBytes(totalSize);
         }
-        stats.setNumBytes(totalSize);
       }
 
       // set partition keys