Change in asterixdb[stabilization-f69489]: [NO ISSUE][STO] Add API to Get Total Disk Usage

[Murtadha Hubail (Code Review)]

Murtadha Hubail has uploaded a new change for review.

  https://asterix-gerrit.ics.uci.edu/2943

Change subject: [NO ISSUE][STO] Add API to Get Total Disk Usage
......................................................................

[NO ISSUE][STO] Add API to Get Total Disk Usage

- user model changes: no
- storage format changes: no
- interface changes: yes

Details:
- Add new API to get total disk usage of all
  NC io devices.

Change-Id: Iba1538205dbadefdddd8b50be6373dbe7525d0ef
---
M 
hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/io/IIOManager.java
M 
hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/IOManager.java
2 files changed, 17 insertions(+), 0 deletions(-)


  git pull ssh://asterix-gerrit.ics.uci.edu:29418/asterixdb 
refs/changes/43/2943/1

diff --git 
a/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/io/IIOManager.java
 
b/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/io/IIOManager.java
index ff1e47f..962f826 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/io/IIOManager.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/io/IIOManager.java
@@ -97,4 +97,11 @@
      * @throws HyracksDataException
      */
     FileReference createWorkspaceFile(String prefix) throws 
HyracksDataException;
+
+    /**
+     * Gets the total disk usage in bytes of this {@link IIOManager} io 
devices handles.
+     *
+     * @return the total disk usage in bytes
+     */
+    long getTotalDiskUsage();
 }
diff --git 
a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/IOManager.java
 
b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/IOManager.java
index d13ca8d..b5cb21a 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/IOManager.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/IOManager.java
@@ -36,6 +36,7 @@
 import java.util.concurrent.Executors;
 import java.util.concurrent.TimeUnit;
 
+import org.apache.commons.io.FileUtils;
 import org.apache.hyracks.api.exceptions.ErrorCode;
 import org.apache.hyracks.api.exceptions.HyracksDataException;
 import org.apache.hyracks.api.io.FileReference;
@@ -416,4 +417,13 @@
             Thread.currentThread().interrupt();
         }
     }
+
+    @Override
+    public long getTotalDiskUsage() {
+        long totalSize = 0;
+        for (IODeviceHandle handle : ioDevices) {
+            totalSize += FileUtils.sizeOfDirectory(handle.getMount());
+        }
+        return totalSize;
+    }
 }

-- 
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Gerrit-MessageType: newchange
Gerrit-Change-Id: Iba1538205dbadefdddd8b50be6373dbe7525d0ef
Gerrit-PatchSet: 1
Gerrit-Project: asterixdb
Gerrit-Branch: stabilization-f69489
Gerrit-Owner: Murtadha Hubail <mhub...@apache.org>