diff --git hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/RMAppAttemptBlock.java hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/RMAppAttemptBlock.java index 1861874..1831920 100644 --- hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/RMAppAttemptBlock.java +++ hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/RMAppAttemptBlock.java @@ -166,10 +166,12 @@ protected void createAttemptHeadRoomTable(Block html) { if (attempt != null) { if (!isApplicationInFinalState(YarnApplicationAttemptState .valueOf(attempt.getAppAttemptState().toString()))) { + RMAppAttemptMetrics metrics = attempt.getRMAppAttemptMetrics(); DIV pdiv = html._(InfoBlock.class).div(_INFO_WRAP); info("Application Attempt Overview").clear(); info("Application Attempt Metrics")._( - "Application Attempt Headroom : ", 0); + "Application Attempt Headroom : ", metrics == null ? "N/A" : + metrics.getApplicationAttemptHeadroom()); pdiv._(); } }