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From e..@apache.org
Subject svn commit: r1373932 - in /hadoop/common/branches/branch-2/hadoop-hdfs-project: ./ hadoop-hdfs/ hadoop-hdfs/src/main/java/ hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/ hadoop-hdfs/src/main/native/ hadoop-hdfs/src/main/webapps/datan...
Date Thu, 16 Aug 2012 17:16:52 GMT
Author: eli
Date: Thu Aug 16 17:16:52 2012
New Revision: 1373932

URL: http://svn.apache.org/viewvc?rev=1373932&view=rev
Log:
HDFS-3194. DataNode block scanner is running too frequently. Contributed by Andy Isaacson

Modified:
    hadoop/common/branches/branch-2/hadoop-hdfs-project/   (props changed)
    hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/   (props changed)
    hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
    hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/   (props
changed)
    hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockPoolSliceScanner.java
    hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/native/   (props
changed)
    hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/datanode/
  (props changed)
    hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/
  (props changed)
    hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/secondary/
  (props changed)
    hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/test/hdfs/   (props
changed)

Propchange: hadoop/common/branches/branch-2/hadoop-hdfs-project/
------------------------------------------------------------------------------
  Merged /hadoop/common/trunk/hadoop-hdfs-project:r1373928

Propchange: hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/
------------------------------------------------------------------------------
  Merged /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs:r1373928

Modified: hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt?rev=1373932&r1=1373931&r2=1373932&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt (original)
+++ hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt Thu Aug 16
17:16:52 2012
@@ -458,6 +458,9 @@ Release 2.0.1-alpha - UNRELEASED
 
     HDFS-3048. Small race in BlockManager#close. (Andy Isaacson via eli)
 
+    HDFS-3194. DataNode block scanner is running too frequently.
+    (Andy Isaacson via eli)
+
   BREAKDOWN OF HDFS-3042 SUBTASKS
 
     HDFS-2185. HDFS portion of ZK-based FailoverController (todd)

Propchange: hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/
------------------------------------------------------------------------------
  Merged /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java:r1373928

Modified: hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockPoolSliceScanner.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockPoolSliceScanner.java?rev=1373932&r1=1373931&r2=1373932&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockPoolSliceScanner.java
(original)
+++ hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockPoolSliceScanner.java
Thu Aug 16 17:16:52 2012
@@ -554,11 +554,9 @@ class BlockPoolSliceScanner {
   }
   
   private synchronized void startNewPeriod() {
-    if (LOG.isDebugEnabled()) {
-      LOG.debug("Starting a new period : work left in prev period : "
+    LOG.info("Starting a new period : work left in prev period : "
         + String.format("%.2f%%", totalBytesToScan == 0 ? 0
             : (bytesLeft * 100.0) / totalBytesToScan));
-    }
 
     // reset the byte counts :
     bytesLeft = totalBytesToScan;
@@ -566,7 +564,6 @@ class BlockPoolSliceScanner {
   }
   
   void scanBlockPoolSlice() {
-    startNewPeriod();
     // Create a new processedBlocks structure
     processedBlocks = new HashMap<Long, Integer>();
     if (!assignInitialVerificationTimes()) {

Propchange: hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/native/
------------------------------------------------------------------------------
  Merged /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/native:r1373928

Propchange: hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/datanode/
------------------------------------------------------------------------------
  Merged /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/datanode:r1373928

Propchange: hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/
------------------------------------------------------------------------------
  Merged /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs:r1373928

Propchange: hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/secondary/
------------------------------------------------------------------------------
  Merged /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/secondary:r1373928

Propchange: hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/test/hdfs/
------------------------------------------------------------------------------
  Merged /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/hdfs:r1373928



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