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From oz...@apache.org
Subject hadoop git commit: HADOOP-11709. Time.NANOSECONDS_PER_MILLISECOND - use class-level final constant instead of method variable. Contributed by Ajith S.
Date Fri, 20 Mar 2015 15:55:16 GMT
Repository: hadoop
Updated Branches:
  refs/heads/trunk 8041267f0 -> 43dde502b


HADOOP-11709. Time.NANOSECONDS_PER_MILLISECOND - use class-level final constant instead of
method variable. Contributed by Ajith S.


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/43dde502
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/43dde502
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/43dde502

Branch: refs/heads/trunk
Commit: 43dde502b3be2133d62f1f074f016f35a56a7e2c
Parents: 8041267
Author: Tsuyoshi Ozawa <ozawa@apache.org>
Authored: Sat Mar 21 00:54:20 2015 +0900
Committer: Tsuyoshi Ozawa <ozawa@apache.org>
Committed: Sat Mar 21 00:54:20 2015 +0900

----------------------------------------------------------------------
 hadoop-common-project/hadoop-common/CHANGES.txt               | 3 +++
 .../src/main/java/org/apache/hadoop/util/Time.java            | 7 +++++--
 2 files changed, 8 insertions(+), 2 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/43dde502/hadoop-common-project/hadoop-common/CHANGES.txt
----------------------------------------------------------------------
diff --git a/hadoop-common-project/hadoop-common/CHANGES.txt b/hadoop-common-project/hadoop-common/CHANGES.txt
index c4aeec1..823a36b 100644
--- a/hadoop-common-project/hadoop-common/CHANGES.txt
+++ b/hadoop-common-project/hadoop-common/CHANGES.txt
@@ -452,6 +452,9 @@ Release 2.8.0 - UNRELEASED
     HADOOP-11659. o.a.h.fs.FileSystem.Cache#remove should use a single hash map
     lookup. (Brahma Reddy Battula via aajisaka)
 
+    HADOOP-11709. Time.NANOSECONDS_PER_MILLISECOND - use class-level final
+    constant instead of method variable (Ajith S via ozawa)
+
   OPTIMIZATIONS
 
   BUG FIXES

http://git-wip-us.apache.org/repos/asf/hadoop/blob/43dde502/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/Time.java
----------------------------------------------------------------------
diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/Time.java
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/Time.java
index 347cdc5..b988923 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/Time.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/Time.java
@@ -28,6 +28,11 @@ import org.apache.hadoop.classification.InterfaceStability;
 public final class Time {
 
   /**
+   * number of nano seconds in 1 millisecond
+   */
+  private static final long NANOSECONDS_PER_MILLISECOND = 1000000;
+
+  /**
    * Current system time.  Do not use this to calculate a duration or interval
    * to sleep, because it will be broken by settimeofday.  Instead, use
    * monotonicNow.
@@ -45,8 +50,6 @@ public final class Time {
    * @return a monotonic clock that counts in milliseconds.
    */
   public static long monotonicNow() {
-    final long NANOSECONDS_PER_MILLISECOND = 1000000;
-
     return System.nanoTime() / NANOSECONDS_PER_MILLISECOND;
   }
 }


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