diff --git hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java
index 640e86e..ae5e12f 100644
--- hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java
+++ hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java
@@ -142,7 +142,7 @@ private static void addDeprecatedKeys() {
public static final String NM_LOG_CONTAINER_DEBUG_INFO =
YarnConfiguration.NM_PREFIX + "log-container-debug-info.enabled";
- public static final boolean DEFAULT_NM_LOG_CONTAINER_DEBUG_INFO = false;
+ public static final boolean DEFAULT_NM_LOG_CONTAINER_DEBUG_INFO = true;
////////////////////////////////
// IPC Configs
diff --git hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml
index 8487e72..f121180 100644
--- hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml
+++ hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml
@@ -1266,7 +1266,7 @@
slowness in launching containers.
yarn.nodemanager.log-container-debug-info.enabled
- false
+ true