From 6c960396937038fa996707fb1a8a3ffa3d26cdc1 Mon Sep 17 00:00:00 2001
From: Suresh Srinivas <suresh@apache.org>
Date: Wed, 15 Aug 2012 00:33:53 +0000
Subject: [PATCH] HDFS-3803. Change BlockPoolSliceScanner chatty INFO log to
 DEBUG. Contributed by Andrew Purtell

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1373174 13f79535-47bb-0310-9956-ffa450edef68
---
 hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt                   | 3 +++
 .../hadoop/hdfs/server/datanode/BlockPoolSliceScanner.java    | 4 +++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
index 64a4fdf568..ccd6dbceb1 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
+++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
@@ -117,6 +117,9 @@ Trunk (unreleased changes)
     HDFS-3723. Add support -h, -help to all the commands. (Jing Zhao via
     suresh)
 
+    HDFS-3803. Change BlockPoolSliceScanner chatty INFO log to DEBUG.
+    (Andrew Purtell via suresh)
+
   OPTIMIZATIONS
 
   BUG FIXES
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockPoolSliceScanner.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockPoolSliceScanner.java
index 142880e026..3e6d902223 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockPoolSliceScanner.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockPoolSliceScanner.java
@@ -554,9 +554,11 @@ private synchronized void updateBytesLeft(long len) {
   }
   
   private synchronized void startNewPeriod() {
-    LOG.info("Starting a new period : work left in prev period : "
+    if (LOG.isDebugEnabled()) {
+      LOG.debug("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;