From 1507d30bc126cac3f18a87de0936c2d0d0d1ccff Mon Sep 17 00:00:00 2001
From: Xuan <xgong@apache.org>
Date: Mon, 14 Dec 2015 15:41:28 -0800
Subject: [PATCH] YARN-4439. Clarify NMContainerStatus#toString method.
 Contributed by Jian He

(cherry picked from commit d8a45425eba372cdebef3be50436b6ddf1c4e192)
(cherry picked from commit 992f65dd8b53ee31b6b7347e2cfe59a78d031268)
---
 hadoop-yarn-project/CHANGES.txt                    |  2 ++
 .../impl/pb/NMContainerStatusPBImpl.java           | 14 +++++++++++---
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/hadoop-yarn-project/CHANGES.txt b/hadoop-yarn-project/CHANGES.txt
index e880471a4be..e45f34a4aa9 100644
--- a/hadoop-yarn-project/CHANGES.txt
+++ b/hadoop-yarn-project/CHANGES.txt
@@ -46,6 +46,8 @@ Release 2.7.3 - UNRELEASED
     YARN-4422. Generic AHS sometimes doesn't show started, node, or logs on App page
     (Eric Payne via jeagles)
 
+    YARN-4439. Clarify NMContainerStatus#toString method. (Jian He via xgong)
+
 Release 2.7.2 - UNRELEASED
 
   INCOMPATIBLE CHANGES
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/impl/pb/NMContainerStatusPBImpl.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/impl/pb/NMContainerStatusPBImpl.java
index 86e1d971aa4..997ff1d4446 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/impl/pb/NMContainerStatusPBImpl.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/impl/pb/NMContainerStatusPBImpl.java
@@ -34,8 +34,6 @@ import org.apache.hadoop.yarn.proto.YarnServerCommonServiceProtos.NMContainerSta
 import org.apache.hadoop.yarn.proto.YarnServerCommonServiceProtos.NMContainerStatusProtoOrBuilder;
 import org.apache.hadoop.yarn.server.api.protocolrecords.NMContainerStatus;
 
-import com.google.protobuf.TextFormat;
-
 public class NMContainerStatusPBImpl extends NMContainerStatus {
 
   NMContainerStatusProto proto = NMContainerStatusProto
@@ -81,7 +79,17 @@ public class NMContainerStatusPBImpl extends NMContainerStatus {
 
   @Override
   public String toString() {
-    return TextFormat.shortDebugString(getProto());
+    StringBuilder sb = new StringBuilder();
+    sb.append("[").append(getContainerId()).append(", ")
+        .append("CreateTime: ").append(getCreationTime()).append(", ")
+        .append("State: ").append(getContainerState()).append(", ")
+        .append("Capability: ").append(getAllocatedResource()).append(", ")
+        .append("Diagnostics: ").append(getDiagnostics()).append(", ")
+        .append("ExitStatus: ").append(getContainerExitStatus()).append(", ")
+        .append("NodeLabelExpression: ").append(getNodeLabelExpression())
+        .append("Priority: ").append(getPriority())
+        .append("]");
+    return sb.toString();
   }
 
   @Override