Repository: hadoop
Updated Branches:
  refs/heads/YARN-6592 32620a129 -> b9f0e942f (forced update)


HADOOP-15023. ValueQueue should also validate (int) (lowWatermark * numValues) 
> 0 on construction.


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/b1941b20
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/b1941b20
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/b1941b20

Branch: refs/heads/YARN-6592
Commit: b1941b200d6b4fa6a7891421c0a1e212cad3d6eb
Parents: fac72ee
Author: Xiao Chen <x...@apache.org>
Authored: Wed Nov 15 16:43:25 2017 -0800
Committer: Xiao Chen <x...@apache.org>
Committed: Wed Nov 15 16:44:06 2017 -0800

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 .../main/java/org/apache/hadoop/crypto/key/kms/ValueQueue.java | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/b1941b20/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/crypto/key/kms/ValueQueue.java
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diff --git 
a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/crypto/key/kms/ValueQueue.java
 
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/crypto/key/kms/ValueQueue.java
index 8411ffb..1ddd8a3 100644
--- 
a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/crypto/key/kms/ValueQueue.java
+++ 
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/crypto/key/kms/ValueQueue.java
@@ -224,6 +224,9 @@ public class ValueQueue <E> {
     Preconditions.checkArgument(numValues > 0, "\"numValues\" must be > 0");
     Preconditions.checkArgument(((lowWatermark > 0)&&(lowWatermark <= 1)),
         "\"lowWatermark\" must be > 0 and <= 1");
+    final int watermarkValue = (int) (numValues * lowWatermark);
+    Preconditions.checkArgument(watermarkValue > 0,
+        "(int) (\"numValues\" * \"lowWatermark\") must be > 0");
     Preconditions.checkArgument(expiry > 0, "\"expiry\" must be > 0");
     Preconditions.checkArgument(numFillerThreads > 0,
         "\"numFillerThreads\" must be > 0");
@@ -243,8 +246,7 @@ public class ValueQueue <E> {
                       throws Exception {
                     LinkedBlockingQueue<E> keyQueue =
                         new LinkedBlockingQueue<E>();
-                    refiller.fillQueueForKey(keyName, keyQueue,
-                        (int)(lowWatermark * numValues));
+                    refiller.fillQueueForKey(keyName, keyQueue, 
watermarkValue);
                     return keyQueue;
                   }
                 });


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