HDFS-4880. Print the image and edits file loaded by the namenode in the logs. Contributed by Arpit Agarwal.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1490746 13f79535-47bb-0310-9956-ffa450edef68

hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

@@ -369,6 +369,9 @@ Release 2.1.0-beta - UNRELEASED
 
     HDFS-4234. Use generic code for choosing datanode in Balancer.  (szetszwo)
 
+    HDFS-4880. Print the image and edits file loaded by the namenode in the
+    logs. (Arpit Agarwal via suresh)
+
   OPTIMIZATIONS
 
   BUG FIXES

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSEditLogLoader.java

@@ -94,6 +94,7 @@ public class FSEditLogLoader {
     fsNamesys.writeLock();
     try {
       long startTime = now();
+      FSImage.LOG.info("Start loading edits file " + edits.getName());
       long numEdits = loadEditRecords(edits, false, 
                                  expectedStartingTxId, recovery);
       FSImage.LOG.info("Edits file " + edits.getName() 

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormat.java

@@ -325,8 +325,8 @@ public class FSImageFormat {
       imgDigest = new MD5Hash(digester.digest());
       loaded = true;
       
-      LOG.info("Image file of size " + curFile.length() + " loaded in " 
-          + (now() - startTime)/1000 + " seconds.");
+      LOG.info("Image file " + curFile + " of size " + curFile.length() +
+          " bytes loaded in " + (now() - startTime)/1000 + " seconds.");
     }
 
   /** Update the root node's attributes */
@@ -872,8 +872,8 @@ public class FSImageFormat {
       // set md5 of the saved image
       savedDigest = new MD5Hash(digester.digest());
 
-      LOG.info("Image file of size " + newFile.length() + " saved in " 
-          + (now() - startTime)/1000 + " seconds.");
+      LOG.info("Image file " + newFile + " of size " + newFile.length() +
+          " bytes saved in " + (now() - startTime)/1000 + " seconds.");
     }
 
     /**