diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/resource/Resources.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/resource/Resources.java index 462e02a..3d39572 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/resource/Resources.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/resource/Resources.java @@ -144,6 +144,12 @@ public static Resource none() { return NONE; } + /** + * Check if a resource does not provide memory or virtual cores. + * @param other The resource to check + * @return {@code true} if {@code other} has 0 memory and 0 virtual cores, + * {@code false} otherwise + */ public static boolean isNone(Resource other) { return NONE.equals(other); }