YARN-6984. DominantResourceCalculator.isAnyMajorResourceZero() should test all 
resources
(Contributed by Sunil G via Daniel Templeton)


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/679f99b1
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/679f99b1
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/679f99b1

Branch: refs/heads/HDFS-9806
Commit: 679f99b1455a1fcd785aef8ddc705f63cf0e6518
Parents: b90750c
Author: Daniel Templeton <[email protected]>
Authored: Tue Oct 24 10:04:36 2017 -0700
Committer: Daniel Templeton <[email protected]>
Committed: Tue Oct 24 10:08:26 2017 -0700

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 .../yarn/util/resource/DominantResourceCalculator.java    | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/679f99b1/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/resource/DominantResourceCalculator.java
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diff --git 
a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/resource/DominantResourceCalculator.java
 
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/resource/DominantResourceCalculator.java
index ca828a5..6b284e3 100644
--- 
a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/resource/DominantResourceCalculator.java
+++ 
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/resource/DominantResourceCalculator.java
@@ -557,6 +557,14 @@ public class DominantResourceCalculator extends 
ResourceCalculator {
 
   @Override
   public boolean isAnyMajorResourceZero(Resource resource) {
-    return resource.getMemorySize() == 0f || resource.getVirtualCores() == 0;
+    int maxLength = ResourceUtils.getNumberOfKnownResourceTypes();
+    for (int i = 0; i < maxLength; i++) {
+      ResourceInformation resourceInformation = resource
+          .getResourceInformation(i);
+      if (resourceInformation.getValue() == 0L) {
+        return true;
+      }
+    }
+    return false;
   }
 }


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