Revert "YARN-7088. Add application launch time to Resource Manager REST API. (Kanwaljeet Sachdev via Haibo Chen)"

This reverts commit 0c14b6f0d80d847be7ef3eda1614eadbf835181c.

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/main/java/org/apache/hadoop/mapred/NotRunningJob.java

@@ -89,7 +89,7 @@ public class NotRunningJob implements MRClientProtocol {
     // used for a non running job
     return ApplicationReport.newInstance(unknownAppId, unknownAttemptId,
       "N/A", "N/A", "N/A", "N/A", 0, null, YarnApplicationState.NEW, "N/A",
-      "N/A", 0, 0, 0, FinalApplicationStatus.UNDEFINED, null, "N/A", 0.0f,
+      "N/A", 0, 0, FinalApplicationStatus.UNDEFINED, null, "N/A", 0.0f,
       YarnConfiguration.DEFAULT_APPLICATION_TYPE, null);
   }
 

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestClientServiceDelegate.java

@@ -515,7 +515,7 @@ public class TestClientServiceDelegate {
         appId, 0);
     return ApplicationReport.newInstance(appId, attemptId, "user", "queue",
       "appname", "host", 124, null, YarnApplicationState.FINISHED,
-      "diagnostics", "url", 0, 0, 0, FinalApplicationStatus.SUCCEEDED, null,
+      "diagnostics", "url", 0, 0, FinalApplicationStatus.SUCCEEDED, null,
       "N/A", 0.0f, YarnConfiguration.DEFAULT_APPLICATION_TYPE, null);
   }
 
@@ -525,7 +525,7 @@ public class TestClientServiceDelegate {
         appId, 0);
     return ApplicationReport.newInstance(appId, attemptId, "user", "queue",
       "appname", host, port, null, YarnApplicationState.RUNNING, "diagnostics",
-      "url", 0, 0, 0, FinalApplicationStatus.UNDEFINED, null, "N/A", 0.0f,
+      "url", 0, 0, FinalApplicationStatus.UNDEFINED, null, "N/A", 0.0f,
       YarnConfiguration.DEFAULT_APPLICATION_TYPE, null);
   }
 

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestYARNRunner.java

@@ -272,8 +272,7 @@ public class TestYARNRunner {
         .thenReturn(
             ApplicationReport.newInstance(appId, null, "tmp", "tmp", "tmp",
                 "tmp", 0, null, YarnApplicationState.FINISHED, "tmp", "tmp",
-                0L, 0L, 0L,
-                 FinalApplicationStatus.SUCCEEDED, null, null, 0f,
+                0l, 0l, FinalApplicationStatus.SUCCEEDED, null, null, 0f,
                 "tmp", null));
     yarnRunner.killJob(jobId);
     verify(clientDelegate).killJob(jobId);

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/ApplicationReport.java

@@ -58,8 +58,7 @@ public abstract class ApplicationReport {
       ApplicationAttemptId applicationAttemptId, String user, String queue,
       String name, String host, int rpcPort, Token clientToAMToken,
       YarnApplicationState state, String diagnostics, String url,
-      long startTime, long launchTime, long finishTime,
-      FinalApplicationStatus finalStatus,
+      long startTime, long finishTime, FinalApplicationStatus finalStatus,
       ApplicationResourceUsageReport appResources, String origTrackingUrl,
       float progress, String applicationType, Token amRmToken) {
     ApplicationReport report = Records.newRecord(ApplicationReport.class);
@@ -75,7 +74,6 @@ public abstract class ApplicationReport {
     report.setDiagnostics(diagnostics);
     report.setTrackingUrl(url);
     report.setStartTime(startTime);
-    report.setLaunchTime(launchTime);
     report.setFinishTime(finishTime);
     report.setFinalApplicationStatus(finalStatus);
     report.setApplicationResourceUsageReport(appResources);
@@ -86,40 +84,13 @@ public abstract class ApplicationReport {
     return report;
   }
 
-
-  @Private
-  @Unstable
-  public static ApplicationReport newInstance(ApplicationId applicationId,
-        ApplicationAttemptId applicationAttemptId, String user, String queue,
-        String name, String host, int rpcPort, Token clientToAMToken,
-        YarnApplicationState state, String diagnostics, String url,
-        long startTime, long finishTime,
-        FinalApplicationStatus finalStatus,
-        ApplicationResourceUsageReport appResources, String origTrackingUrl,
-        float progress, String applicationType, Token amRmToken,
-        Set<String> tags, boolean unmanagedApplication, Priority priority,
-        String appNodeLabelExpression, String amNodeLabelExpression) {
-    ApplicationReport report =
-            newInstance(applicationId, applicationAttemptId, user, queue, name,
-                    host, rpcPort, clientToAMToken, state, diagnostics, url,
-                    startTime, 0, finishTime, finalStatus, appResources,
-                    origTrackingUrl, progress, applicationType, amRmToken);
-    report.setApplicationTags(tags);
-    report.setUnmanagedApp(unmanagedApplication);
-    report.setPriority(priority);
-    report.setAppNodeLabelExpression(appNodeLabelExpression);
-    report.setAmNodeLabelExpression(amNodeLabelExpression);
-    return report;
-  }
-
   @Private
   @Unstable
   public static ApplicationReport newInstance(ApplicationId applicationId,
       ApplicationAttemptId applicationAttemptId, String user, String queue,
       String name, String host, int rpcPort, Token clientToAMToken,
       YarnApplicationState state, String diagnostics, String url,
-      long startTime, long launchTime, long finishTime,
-      FinalApplicationStatus finalStatus,
+      long startTime, long finishTime, FinalApplicationStatus finalStatus,
       ApplicationResourceUsageReport appResources, String origTrackingUrl,
       float progress, String applicationType, Token amRmToken, Set<String> tags,
       boolean unmanagedApplication, Priority priority,
@@ -127,8 +98,8 @@ public abstract class ApplicationReport {
     ApplicationReport report =
         newInstance(applicationId, applicationAttemptId, user, queue, name,
           host, rpcPort, clientToAMToken, state, diagnostics, url, startTime,
-          launchTime, finishTime, finalStatus, appResources,
-          origTrackingUrl, progress, applicationType, amRmToken);
+          finishTime, finalStatus, appResources, origTrackingUrl, progress,
+          applicationType, amRmToken);
     report.setApplicationTags(tags);
     report.setUnmanagedApp(unmanagedApplication);
     report.setPriority(priority);
@@ -311,14 +282,6 @@ public abstract class ApplicationReport {
   @Unstable
   public abstract void setStartTime(long startTime);
 
-  @Private
-  @Unstable
-  public abstract void setLaunchTime(long setLaunchTime);
-
-  @Public
-  @Unstable
-  public abstract long getLaunchTime();
-
   /**
    * Get the <em>finish time</em> of the application.
    * @return <em>finish time</em> of the application

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/yarn_protos.proto

@@ -281,7 +281,6 @@ message ApplicationReportProto {
   optional string appNodeLabelExpression = 24;
   optional string amNodeLabelExpression = 25;
   repeated AppTimeoutsMapProto appTimeouts = 26;
-  optional int64 launchTime = 27;
 }
 
 message AppTimeoutsMapProto {

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/ProtocolHATestBase.java

@@ -626,7 +626,7 @@ public abstract class ProtocolHATestBase extends ClientBaseWithFixes {
           ApplicationReport.newInstance(appId, attemptId, "fakeUser",
               "fakeQueue", "fakeApplicationName", "localhost", 0, null,
               YarnApplicationState.FINISHED, "fake an application report", "",
-              1000L, 1000L, 1200L, FinalApplicationStatus.FAILED, null, "", 50f,
+              1000L, 1200L, FinalApplicationStatus.FAILED, null, "", 50f,
               "fakeApplicationType", null);
       return report;
     }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestAHSClient.java

@@ -332,7 +332,7 @@ public class TestAHSClient {
           ApplicationReport.newInstance(applicationId,
             ApplicationAttemptId.newInstance(applicationId, 1), "user",
             "queue", "appname", "host", 124, null,
-            YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0, 0,
+            YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0,
             FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.53789f, "YARN",
             null);
       List<ApplicationReport> applicationReports =
@@ -389,7 +389,7 @@ public class TestAHSClient {
           ApplicationReport.newInstance(applicationId2,
             ApplicationAttemptId.newInstance(applicationId2, 2), "user2",
             "queue2", "appname2", "host2", 125, null,
-            YarnApplicationState.FINISHED, "diagnostics2", "url2", 2, 2, 2,
+            YarnApplicationState.FINISHED, "diagnostics2", "url2", 2, 2,
             FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.63789f,
             "NON-YARN", null);
       applicationReports.add(newApplicationReport2);
@@ -399,7 +399,7 @@ public class TestAHSClient {
           ApplicationReport.newInstance(applicationId3,
             ApplicationAttemptId.newInstance(applicationId3, 3), "user3",
             "queue3", "appname3", "host3", 126, null,
-            YarnApplicationState.RUNNING, "diagnostics3", "url3", 3, 3, 3,
+            YarnApplicationState.RUNNING, "diagnostics3", "url3", 3, 3,
             FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.73789f,
             "MAPREDUCE", null);
       applicationReports.add(newApplicationReport3);
@@ -409,7 +409,7 @@ public class TestAHSClient {
           ApplicationReport.newInstance(applicationId4,
             ApplicationAttemptId.newInstance(applicationId4, 4), "user4",
             "queue4", "appname4", "host4", 127, null,
-            YarnApplicationState.FAILED, "diagnostics4", "url4", 4, 4, 4,
+            YarnApplicationState.FAILED, "diagnostics4", "url4", 4, 4,
             FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.83789f,
             "NON-MAPREDUCE", null);
       applicationReports.add(newApplicationReport4);

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestYarnClient.java

@@ -737,7 +737,7 @@ public class TestYarnClient extends ParameterizedSchedulerTestBase {
       ApplicationReport newApplicationReport = ApplicationReport.newInstance(
           applicationId, ApplicationAttemptId.newInstance(applicationId, 1),
           "user", "queue", "appname", "host", 124, null,
-          YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0, 0,
+          YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0,
           FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.53789f, "YARN", null);
       List<ApplicationReport> applicationReports = new ArrayList<ApplicationReport>();
       applicationReports.add(newApplicationReport);
@@ -812,7 +812,7 @@ public class TestYarnClient extends ParameterizedSchedulerTestBase {
       ApplicationReport newApplicationReport2 = ApplicationReport.newInstance(
           applicationId2, ApplicationAttemptId.newInstance(applicationId2, 2),
           "user2", "queue2", "appname2", "host2", 125, null,
-          YarnApplicationState.FINISHED, "diagnostics2", "url2", 2, 2, 2,
+          YarnApplicationState.FINISHED, "diagnostics2", "url2", 2, 2,
           FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.63789f, "NON-YARN", 
         null);
       applicationReports.add(newApplicationReport2);
@@ -821,7 +821,7 @@ public class TestYarnClient extends ParameterizedSchedulerTestBase {
       ApplicationReport newApplicationReport3 = ApplicationReport.newInstance(
           applicationId3, ApplicationAttemptId.newInstance(applicationId3, 3),
           "user3", "queue3", "appname3", "host3", 126, null,
-          YarnApplicationState.RUNNING, "diagnostics3", "url3", 3, 3, 3,
+          YarnApplicationState.RUNNING, "diagnostics3", "url3", 3, 3,
           FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.73789f, "MAPREDUCE",
         null);
       applicationReports.add(newApplicationReport3);
@@ -832,7 +832,7 @@ public class TestYarnClient extends ParameterizedSchedulerTestBase {
               applicationId4,
               ApplicationAttemptId.newInstance(applicationId4, 4),
               "user4", "queue4", "appname4", "host4", 127, null,
-              YarnApplicationState.FAILED, "diagnostics4", "url4", 4, 4, 4,
+              YarnApplicationState.FAILED, "diagnostics4", "url4", 4, 4,
               FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.83789f,
               "NON-MAPREDUCE", null);
       applicationReports.add(newApplicationReport4);

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestYarnCLI.java

@@ -136,7 +136,7 @@ public class TestYarnCLI {
       ApplicationReport newApplicationReport = ApplicationReport.newInstance(
           applicationId, ApplicationAttemptId.newInstance(applicationId, 1),
           "user", "queue", "appname", "host", 124, null,
-          YarnApplicationState.FINISHED, "diagnostics", "url", 0, 0, 0,
+          YarnApplicationState.FINISHED, "diagnostics", "url", 0, 0,
           FinalApplicationStatus.SUCCEEDED, usageReport, "N/A", 0.53789f, "YARN",
           null, null, false, Priority.newInstance(0), "high-mem", "high-mem");
       newApplicationReport.setLogAggregationStatus(LogAggregationStatus.SUCCEEDED);
@@ -383,7 +383,7 @@ public class TestYarnCLI {
     ApplicationReport newApplicationReport = ApplicationReport.newInstance(
         applicationId, ApplicationAttemptId.newInstance(applicationId, 1),
         "user", "queue", "appname", "host", 124, null,
-        YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0, 0,
+        YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.53789f, "YARN", null,
         Sets.newHashSet("tag1", "tag3"), false, Priority.UNDEFINED, "", "");
     List<ApplicationReport> applicationReports =
@@ -394,7 +394,7 @@ public class TestYarnCLI {
     ApplicationReport newApplicationReport2 = ApplicationReport.newInstance(
         applicationId2, ApplicationAttemptId.newInstance(applicationId2, 2),
         "user2", "queue2", "appname2", "host2", 125, null,
-        YarnApplicationState.FINISHED, "diagnostics2", "url2", 2, 2, 2,
+        YarnApplicationState.FINISHED, "diagnostics2", "url2", 2, 2,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.63789f, "NON-YARN", 
         null, Sets.newHashSet("tag2", "tag3"), false, Priority.UNDEFINED,
         "", "");
@@ -404,7 +404,7 @@ public class TestYarnCLI {
     ApplicationReport newApplicationReport3 = ApplicationReport.newInstance(
         applicationId3, ApplicationAttemptId.newInstance(applicationId3, 3),
         "user3", "queue3", "appname3", "host3", 126, null,
-        YarnApplicationState.RUNNING, "diagnostics3", "url3", 3, 3, 3,
+        YarnApplicationState.RUNNING, "diagnostics3", "url3", 3, 3,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.73789f, "MAPREDUCE", 
         null, Sets.newHashSet("tag1", "tag4"), false, Priority.UNDEFINED,
         "", "");
@@ -414,7 +414,7 @@ public class TestYarnCLI {
     ApplicationReport newApplicationReport4 = ApplicationReport.newInstance(
         applicationId4, ApplicationAttemptId.newInstance(applicationId4, 4),
         "user4", "queue4", "appname4", "host4", 127, null,
-        YarnApplicationState.FAILED, "diagnostics4", "url4", 4, 4, 4,
+        YarnApplicationState.FAILED, "diagnostics4", "url4", 4, 4,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.83789f,
         "NON-MAPREDUCE", null, Sets.newHashSet("tag1"), false,
         Priority.UNDEFINED, "", "");
@@ -424,7 +424,7 @@ public class TestYarnCLI {
     ApplicationReport newApplicationReport5 = ApplicationReport.newInstance(
         applicationId5, ApplicationAttemptId.newInstance(applicationId5, 5),
         "user5", "queue5", "appname5", "host5", 128, null,
-        YarnApplicationState.ACCEPTED, "diagnostics5", "url5", 5, 5, 5,
+        YarnApplicationState.ACCEPTED, "diagnostics5", "url5", 5, 5,
         FinalApplicationStatus.KILLED, null, "N/A", 0.93789f, "HIVE", null,
         Sets.newHashSet("tag2", "tag4"), false, Priority.UNDEFINED, "", "");
     applicationReports.add(newApplicationReport5);
@@ -433,7 +433,7 @@ public class TestYarnCLI {
     ApplicationReport newApplicationReport6 = ApplicationReport.newInstance(
         applicationId6, ApplicationAttemptId.newInstance(applicationId6, 6),
         "user6", "queue6", "appname6", "host6", 129, null,
-        YarnApplicationState.SUBMITTED, "diagnostics6", "url6", 6, 6, 6,
+        YarnApplicationState.SUBMITTED, "diagnostics6", "url6", 6, 6,
         FinalApplicationStatus.KILLED, null, "N/A", 0.99789f, "PIG",
         null, new HashSet<String>(), false, Priority.UNDEFINED, "", "");
     applicationReports.add(newApplicationReport6);
@@ -1007,7 +1007,7 @@ public class TestYarnCLI {
     ApplicationReport newApplicationReport2 = ApplicationReport.newInstance(
         applicationId, ApplicationAttemptId.newInstance(applicationId, 1),
         "user", "queue", "appname", "host", 124, null,
-        YarnApplicationState.FINISHED, "diagnostics", "url", 0, 0, 0,
+        YarnApplicationState.FINISHED, "diagnostics", "url", 0, 0,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.53789f, "YARN", null);
     when(client.getApplicationReport(any(ApplicationId.class))).thenReturn(
         newApplicationReport2);
@@ -1020,7 +1020,7 @@ public class TestYarnCLI {
     ApplicationReport newApplicationReport = ApplicationReport.newInstance(
         applicationId, ApplicationAttemptId.newInstance(applicationId, 1),
         "user", "queue", "appname", "host", 124, null,
-        YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0, 0,
+        YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.53789f, "YARN", null);
     when(client.getApplicationReport(any(ApplicationId.class))).thenReturn(
         newApplicationReport);
@@ -1059,12 +1059,12 @@ public class TestYarnCLI {
     ApplicationReport newApplicationReport1 = ApplicationReport.newInstance(
         applicationId1, ApplicationAttemptId.newInstance(applicationId1, 1),
         "user", "queue", "appname", "host", 124, null,
-        YarnApplicationState.FINISHED, "diagnostics", "url", 0, 0, 0,
+        YarnApplicationState.FINISHED, "diagnostics", "url", 0, 0,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.53789f, "YARN", null);
     ApplicationReport newApplicationReport2 = ApplicationReport.newInstance(
         applicationId2, ApplicationAttemptId.newInstance(applicationId2, 1),
         "user", "queue", "appname", "host", 124, null,
-        YarnApplicationState.FINISHED, "diagnostics", "url", 0, 0, 0,
+        YarnApplicationState.FINISHED, "diagnostics", "url", 0, 0,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.34344f, "YARN", null);
     when(client.getApplicationReport(applicationId1)).thenReturn(
         newApplicationReport1);
@@ -1084,12 +1084,12 @@ public class TestYarnCLI {
     ApplicationReport newApplicationReport3 = ApplicationReport.newInstance(
         applicationId1, ApplicationAttemptId.newInstance(applicationId1, 1),
         "user", "queue", "appname", "host", 124, null,
-        YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0, 0,
+        YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.53789f, "YARN", null);
     ApplicationReport newApplicationReport4 = ApplicationReport.newInstance(
         applicationId2, ApplicationAttemptId.newInstance(applicationId2, 1),
         "user", "queue", "appname", "host", 124, null,
-        YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0, 0,
+        YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.53345f, "YARN", null);
     when(client.getApplicationReport(applicationId1)).thenReturn(
         newApplicationReport3);
@@ -1127,7 +1127,7 @@ public class TestYarnCLI {
     ApplicationReport newApplicationReport5 = ApplicationReport.newInstance(
         applicationId1, ApplicationAttemptId.newInstance(applicationId1, 1),
         "user", "queue", "appname", "host", 124, null,
-        YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0, 0,
+        YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.53345f, "YARN", null);
     when(client.getApplicationReport(applicationId1)).thenReturn(
         newApplicationReport5);
@@ -1154,12 +1154,12 @@ public class TestYarnCLI {
     ApplicationReport newApplicationReport5 = ApplicationReport.newInstance(
         applicationId1, ApplicationAttemptId.newInstance(applicationId1, 1),
         "user", "queue", "appname", "host", 124, null,
-        YarnApplicationState.FINISHED, "diagnostics", "url", 0, 0, 0,
+        YarnApplicationState.FINISHED, "diagnostics", "url", 0, 0,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.53789f, "YARN", null);
     ApplicationReport newApplicationReport6 = ApplicationReport.newInstance(
         applicationId2, ApplicationAttemptId.newInstance(applicationId2, 1),
         "user", "queue", "appname", "host", 124, null,
-        YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0, 0,
+        YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.53345f, "YARN", null);
     when(client.getApplicationReport(applicationId1)).thenReturn(
         newApplicationReport5);
@@ -1182,7 +1182,7 @@ public class TestYarnCLI {
     ApplicationReport newApplicationReport2 = ApplicationReport.newInstance(
         applicationId, ApplicationAttemptId.newInstance(applicationId, 1),
         "user", "queue", "appname", "host", 124, null,
-        YarnApplicationState.FINISHED, "diagnostics", "url", 0, 0, 0,
+        YarnApplicationState.FINISHED, "diagnostics", "url", 0, 0,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.53789f, "YARN", null);
     when(client.getApplicationReport(any(ApplicationId.class))).thenReturn(
         newApplicationReport2);
@@ -1197,7 +1197,7 @@ public class TestYarnCLI {
     ApplicationReport newApplicationReport = ApplicationReport.newInstance(
         applicationId, ApplicationAttemptId.newInstance(applicationId, 1),
         "user", "queue", "appname", "host", 124, null,
-        YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0, 0,
+        YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.53789f, "YARN", null);
     when(client.getApplicationReport(any(ApplicationId.class))).thenReturn(
         newApplicationReport);
@@ -1232,7 +1232,7 @@ public class TestYarnCLI {
     ApplicationReport newApplicationReport2 = ApplicationReport.newInstance(
         applicationId, ApplicationAttemptId.newInstance(applicationId, 1),
         "user", "queue", "appname", "host", 124, null,
-        YarnApplicationState.FINISHED, "diagnostics", "url", 0, 0, 0,
+        YarnApplicationState.FINISHED, "diagnostics", "url", 0, 0,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.53789f, "YARN", null);
     when(client.getApplicationReport(any(ApplicationId.class)))
         .thenReturn(newApplicationReport2);
@@ -1247,7 +1247,7 @@ public class TestYarnCLI {
     ApplicationReport newApplicationReport = ApplicationReport.newInstance(
         applicationId, ApplicationAttemptId.newInstance(applicationId, 1),
         "user", "queue", "appname", "host", 124, null,
-        YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0, 0,
+        YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.53789f, "YARN", null);
     when(client.getApplicationReport(any(ApplicationId.class)))
         .thenReturn(newApplicationReport);
@@ -2015,7 +2015,7 @@ public class TestYarnCLI {
         ApplicationReport.newInstance(applicationId,
             ApplicationAttemptId.newInstance(applicationId, 1), "user",
             "queue", "appname", "host", 124, null,
-            YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0, 0,
+            YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0,
             FinalApplicationStatus.UNDEFINED, null, "N/A", 0.53789f, "YARN",
             null);
     when(client.getApplicationReport(any(ApplicationId.class))).thenReturn(

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/ApplicationReportPBImpl.java

@@ -220,17 +220,6 @@ public class ApplicationReportPBImpl extends ApplicationReport {
     return p.getStartTime();
   }
 
-  @Override
-  public long getLaunchTime() {
-    ApplicationReportProtoOrBuilder p = viaProto ? proto : builder;
-    return p.getLaunchTime();
-  }
-
-  @Override
-  public void setLaunchTime(long launchTime) {
-    maybeInitBuilder();
-    builder.setLaunchTime(launchTime);
-  }
   @Override
   public long getFinishTime() {
     ApplicationReportProtoOrBuilder p = viaProto ? proto : builder;

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/api/TestApplicatonReport.java

@@ -58,7 +58,7 @@ public class TestApplicatonReport {
     ApplicationReport appReport =
         ApplicationReport.newInstance(appId, appAttemptId, "user", "queue",
           "appname", "host", 124, null, YarnApplicationState.FINISHED,
-          "diagnostics", "url", 0, 0, 0, FinalApplicationStatus.SUCCEEDED, null,
+          "diagnostics", "url", 0, 0, FinalApplicationStatus.SUCCEEDED, null,
           "N/A", 0.53789f, YarnConfiguration.DEFAULT_APPLICATION_TYPE, null,
           null, false, Priority.newInstance(0),"","");
     return appReport;

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/ApplicationHistoryManagerImpl.java

@@ -137,7 +137,7 @@ public class ApplicationHistoryManagerImpl extends AbstractService implements
       currentApplicationAttemptId, appHistory.getUser(), appHistory.getQueue(),
       appHistory.getApplicationName(), host, rpcPort, null,
       appHistory.getYarnApplicationState(), appHistory.getDiagnosticsInfo(),
-      trackingUrl, appHistory.getStartTime(), 0, appHistory.getFinishTime(),
+      trackingUrl, appHistory.getStartTime(), appHistory.getFinishTime(),
       appHistory.getFinalApplicationStatus(), null, "", 100,
       appHistory.getApplicationType(), null);
   }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/utils/BuilderUtils.java

@@ -391,7 +391,7 @@ public class BuilderUtils {
       ApplicationId applicationId, ApplicationAttemptId applicationAttemptId,
       String user, String queue, String name, String host, int rpcPort,
       Token clientToAMToken, YarnApplicationState state, String diagnostics,
-      String url, long startTime, long launchTime, long finishTime,
+      String url, long startTime, long finishTime,
       FinalApplicationStatus finalStatus,
       ApplicationResourceUsageReport appResources, String origTrackingUrl,
       float progress, String appType, Token amRmToken, Set<String> tags,
@@ -410,7 +410,6 @@ public class BuilderUtils {
     report.setDiagnostics(diagnostics);
     report.setTrackingUrl(url);
     report.setStartTime(startTime);
-    report.setLaunchTime(launchTime);
     report.setFinishTime(finishTime);
     report.setFinalApplicationStatus(finalStatus);
     report.setApplicationResourceUsageReport(appResources);

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/webapp/AppBlock.java

@@ -242,9 +242,10 @@ public class AppBlock extends HtmlBlock {
         .__("FinalStatus Reported by AM:",
             clairfyAppFinalStatus(app.getFinalAppStatus()))
         .__("Started:", Times.format(app.getStartedTime()))
-        .__("Launched:", Times.format(app.getLaunchTime()))
-        .__("Finished:", Times.format(app.getFinishedTime()))
-        .__("Elapsed:", StringUtils.formatTime(app.getElapsedTime()))
+        .__(
+            "Elapsed:",
+            StringUtils.formatTime(Times.elapsed(app.getStartedTime(),
+                app.getFinishedTime())))
         .__(
             "Tracking URL:",
             app.getTrackingUrl() == null

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/webapp/AppsBlock.java

@@ -150,9 +150,7 @@ public class AppsBlock extends HtmlBlock {
         html.table("#apps").thead().tr().th(".id", "ID").th(".user", "User")
           .th(".name", "Name").th(".type", "Application Type")
           .th(".queue", "Queue").th(".priority", "Application Priority")
-          .th(".starttime", "StartTime")
-          .th(".launchtime", "LaunchTime")
-          .th(".finishtime", "FinishTime")
+          .th(".starttime", "StartTime").th(".finishtime", "FinishTime")
           .th(".state", "State").th(".finalstatus", "FinalStatus")
           .th(".progress", "Progress").th(".ui", "Tracking UI").__().__().tbody();
 
@@ -190,7 +188,6 @@ public class AppsBlock extends HtmlBlock {
             .getQueue()))).append("\",\"").append(String
                 .valueOf(app.getPriority()))
         .append("\",\"").append(app.getStartedTime())
-        .append("\",\"").append(app.getLaunchTime())
         .append("\",\"").append(app.getFinishedTime())
         .append("\",\"")
         .append(app.getAppState() == null ? UNAVAILABLE : app.getAppState())

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/webapp/WebPageUtils.java

@@ -51,7 +51,7 @@ public class WebPageUtils {
     sb.append("[\n")
       .append("{'sType':'natural', 'aTargets': [0]")
       .append(", 'mRender': parseHadoopID }")
-      .append("\n, {'sType':'numeric', 'aTargets': [6, 7, 8]")
+      .append("\n, {'sType':'numeric', 'aTargets': [6, 7]")
       .append(", 'mRender': renderHadoopDate }")
       .append("\n, {'sType':'numeric', bSearchable:false, 'aTargets':");
     if (isFairSchedulerPage) {

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/webapp/dao/AppInfo.java

@@ -55,7 +55,6 @@ public class AppInfo {
   protected FinalApplicationStatus finalAppStatus;
   protected long submittedTime;
   protected long startedTime;
-  private long launchTime;
   protected long finishedTime;
   protected long elapsedTime;
   protected String applicationTags;
@@ -89,7 +88,6 @@ public class AppInfo {
     originalTrackingUrl = app.getOriginalTrackingUrl();
     submittedTime = app.getStartTime();
     startedTime = app.getStartTime();
-    launchTime = app.getLaunchTime();
     finishedTime = app.getFinishTime();
     elapsedTime = Times.elapsed(startedTime, finishedTime);
     finalAppStatus = app.getFinalApplicationStatus();
@@ -200,10 +198,6 @@ public class AppInfo {
     return submittedTime;
   }
 
-  public long getLaunchTime() {
-    return launchTime;
-  }
-
   public long getStartedTime() {
     return startedTime;
   }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/amlauncher/AMLauncher.java

@@ -303,7 +303,7 @@ public class AMLauncher implements Runnable {
         LOG.info("Launching master" + application.getAppAttemptId());
         launch();
         handler.handle(new RMAppAttemptEvent(application.getAppAttemptId(),
-            RMAppAttemptEventType.LAUNCHED, System.currentTimeMillis()));
+            RMAppAttemptEventType.LAUNCHED));
       } catch(Exception ie) {
         String message = "Error launching " + application.getAppAttemptId()
             + ". Got exception: " + StringUtils.stringifyException(ie);

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/records/ApplicationStateData.java

@@ -47,8 +47,7 @@ public abstract class ApplicationStateData {
   public static ApplicationStateData newInstance(long submitTime,
       long startTime, String user,
       ApplicationSubmissionContext submissionContext, RMAppState state,
-      String diagnostics, long launchTime, long finishTime,
-      CallerContext callerContext) {
+      String diagnostics, long finishTime, CallerContext callerContext) {
     ApplicationStateData appState = Records.newRecord(ApplicationStateData.class);
     appState.setSubmitTime(submitTime);
     appState.setStartTime(startTime);
@@ -56,7 +55,6 @@ public abstract class ApplicationStateData {
     appState.setApplicationSubmissionContext(submissionContext);
     appState.setState(state);
     appState.setDiagnostics(diagnostics);
-    appState.setLaunchTime(launchTime);
     appState.setFinishTime(finishTime);
     appState.setCallerContext(callerContext);
     return appState;
@@ -65,8 +63,7 @@ public abstract class ApplicationStateData {
   public static ApplicationStateData newInstance(long submitTime,
       long startTime, String user,
       ApplicationSubmissionContext submissionContext, RMAppState state,
-      String diagnostics, long launchTime, long finishTime,
-      CallerContext callerContext,
+      String diagnostics, long finishTime, CallerContext callerContext,
       Map<ApplicationTimeoutType, Long> applicationTimeouts) {
     ApplicationStateData appState =
         Records.newRecord(ApplicationStateData.class);
@@ -76,7 +73,6 @@ public abstract class ApplicationStateData {
     appState.setApplicationSubmissionContext(submissionContext);
     appState.setState(state);
     appState.setDiagnostics(diagnostics);
-    appState.setLaunchTime(launchTime);
     appState.setFinishTime(finishTime);
     appState.setCallerContext(callerContext);
     appState.setApplicationTimeouts(applicationTimeouts);
@@ -86,7 +82,7 @@ public abstract class ApplicationStateData {
   public static ApplicationStateData newInstance(long submitTime,
       long startTime, ApplicationSubmissionContext context, String user,
       CallerContext callerContext) {
-    return newInstance(submitTime, startTime, user, context, null, "", 0, 0,
+    return newInstance(submitTime, startTime, user, context, null, "", 0,
         callerContext);
   }
   
@@ -140,20 +136,6 @@ public abstract class ApplicationStateData {
   @Unstable
   public abstract void setStartTime(long startTime);
 
-
-
-  /**
-   * Get the <em>launch time</em> of the application.
-   * @return <em>launch time</em> of the application
-   */
-  @Public
-  @Stable
-  public abstract long getLaunchTime();
-
-  @Private
-  @Unstable
-  public abstract void setLaunchTime(long launchTime);
-
   /**
    * The application submitter
    */

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/records/impl/pb/ApplicationStateDataPBImpl.java

@@ -120,19 +120,6 @@ public class ApplicationStateDataPBImpl extends ApplicationStateData {
     builder.setStartTime(startTime);
   }
 
-
-  @Override
-  public long getLaunchTime() {
-    ApplicationStateDataProtoOrBuilder p = viaProto ? proto : builder;
-    return p.getLaunchTime();
-  }
-
-  @Override
-  public void setLaunchTime(long launchTime) {
-    maybeInitBuilder();
-    builder.setLaunchTime(launchTime);
-  }
-
   @Override
   public String getUser() {
     ApplicationStateDataProtoOrBuilder p = viaProto ? proto : builder;

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMApp.java

@@ -180,15 +180,7 @@ public interface RMApp extends EventHandler<RMAppEvent> {
    * @return the submit time of the application.
    */
   long getSubmitTime();
-
-  /**
-   * The launch time of the application.
-   * Since getStartTime() returns what is essentially submit time,
-   * this new field is to prevent potential backwards compatibility issues.
-   * @return the launch time of the application.
-   */
-  long getLaunchTime();
-
+  
   /**
    * The tracking url for the application master.
    * @return the tracking url for the application master.

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppEvent.java

@@ -37,12 +37,6 @@ public class RMAppEvent extends AbstractEvent<RMAppEventType>{
     this.diagnosticMsg = diagnostic;
   }
 
-  public RMAppEvent(ApplicationId appId, RMAppEventType type, long timeStamp) {
-    super(type, timeStamp);
-    this.appId = appId;
-    this.diagnosticMsg = "";
-  }
-
   public ApplicationId getApplicationId() {
     return this.appId;
   }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppEventType.java

@@ -37,7 +37,6 @@ public enum RMAppEventType {
   ATTEMPT_FAILED,
   ATTEMPT_KILLED,
   NODE_UPDATE,
-  ATTEMPT_LAUNCHED,
   
   // Source: Container and ResourceTracker
   APP_RUNNING_ON_NODE,

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppImpl.java

@@ -164,7 +164,6 @@ public class RMAppImpl implements RMApp, Recoverable {
 
   // Mutable fields
   private long startTime;
-  private long launchTime = 0;
   private long finishTime = 0;
   private long storedFinishTime = 0;
   private int firstAttemptIdInStateStore = 1;
@@ -291,10 +290,6 @@ public class RMAppImpl implements RMApp, Recoverable {
     .addTransition(RMAppState.ACCEPTED, RMAppState.ACCEPTED, 
         RMAppEventType.APP_RUNNING_ON_NODE,
         new AppRunningOnNodeTransition())
-      // Handle AppAttemptLaunch to upate the launchTime and publish to ATS
-      .addTransition(RMAppState.ACCEPTED, RMAppState.ACCEPTED,
-        RMAppEventType.ATTEMPT_LAUNCHED,
-        new AttemptLaunchedTransition())
 
      // Transitions from RUNNING state
     .addTransition(RMAppState.RUNNING, RMAppState.RUNNING,
@@ -789,9 +784,9 @@ public class RMAppImpl implements RMApp, Recoverable {
           this.applicationId, currentApplicationAttemptId, this.user,
           this.queue, this.name, host, rpcPort, clientToAMToken,
           createApplicationState(), diags, trackingUrl, this.startTime,
-          this.launchTime, this.finishTime, finishState, appUsageReport,
-          origTrackingUrl, progress, this.applicationType, amrmToken,
-          applicationTags, this.getApplicationPriority());
+          this.finishTime, finishState, appUsageReport, origTrackingUrl,
+          progress, this.applicationType, amrmToken, applicationTags,
+          this.getApplicationPriority());
       report.setLogAggregationStatus(logAggregationStatus);
       report.setUnmanagedApp(submissionContext.getUnmanagedAM());
       report.setAppNodeLabelExpression(getAppNodeLabelExpression());
@@ -844,17 +839,6 @@ public class RMAppImpl implements RMApp, Recoverable {
     }
   }
 
-  @Override
-  public long getLaunchTime() {
-    this.readLock.lock();
-
-    try {
-      return this.launchTime;
-    } finally {
-      this.readLock.unlock();
-    }
-  }
-
   @Override
   public long getSubmitTime() {
     return this.submitTime;
@@ -952,7 +936,6 @@ public class RMAppImpl implements RMApp, Recoverable {
         .getDiagnostics());
     this.storedFinishTime = appState.getFinishTime();
     this.startTime = appState.getStartTime();
-    this.launchTime = appState.getLaunchTime();
     this.callerContext = appState.getCallerContext();
     this.applicationTimeouts = appState.getApplicationTimeouts();
     // If interval > 0, some attempts might have been deleted.
@@ -1055,21 +1038,6 @@ public class RMAppImpl implements RMApp, Recoverable {
     };
   }
 
-  private static final class AttemptLaunchedTransition
-      extends  RMAppTransition {
-    @Override
-    public void transition(RMAppImpl app, RMAppEvent event) {
-
-      if(app.launchTime == 0) {
-        LOG.info("update the launch time for applicationId: "+
-                app.getApplicationId()+", attemptId: "+
-                app.getCurrentAppAttempt().getAppAttemptId()+
-                "launchTime: "+event.getTimestamp());
-        app.launchTime = event.getTimestamp();
-      }
-    }
-  }
-
   private static final class AppRunningOnNodeTransition extends RMAppTransition {
     public void transition(RMAppImpl app, RMAppEvent event) {
       RMAppRunningOnNodeEvent nodeAddedEvent = (RMAppRunningOnNodeEvent) event;
@@ -1329,8 +1297,7 @@ public class RMAppImpl implements RMApp, Recoverable {
     ApplicationStateData appState =
         ApplicationStateData.newInstance(this.submitTime, this.startTime,
             this.user, this.submissionContext,
-            stateToBeStored, diags, this.launchTime, this.storedFinishTime,
-            this.callerContext);
+            stateToBeStored, diags, this.storedFinishTime, this.callerContext);
     appState.setApplicationTimeouts(this.applicationTimeouts);
     this.rmContext.getStateStore().updateApplicationState(appState);
   }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/RMAppAttemptEvent.java

@@ -38,13 +38,6 @@ public class RMAppAttemptEvent extends AbstractEvent<RMAppAttemptEventType> {
     this.diagnosticMsg = diagnostics;
   }
 
-  public RMAppAttemptEvent(ApplicationAttemptId appAttemptId,
-                           RMAppAttemptEventType type, long timeStamp) {
-    super(type, timeStamp);
-    this.appAttemptId = appAttemptId;
-    this.diagnosticMsg = "";
-  }
-
   public ApplicationAttemptId getApplicationAttemptId() {
     return this.appAttemptId;
   }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/RMAppAttemptImpl.java

@@ -1557,9 +1557,7 @@ public class RMAppAttemptImpl implements RMAppAttempt, Recoverable {
             appAttempt.launchAMStartTime;
         ClusterMetrics.getMetrics().addAMLaunchDelay(delay);
       }
-      appAttempt.eventHandler.handle(
-          new RMAppEvent(appAttempt.getAppAttemptId().getApplicationId(),
-            RMAppEventType.ATTEMPT_LAUNCHED, event.getTimestamp()));
+
       appAttempt
           .updateAMLaunchDiagnostics(AMState.LAUNCHED.getDiagnosticMessage());
       // Register with AMLivelinessMonitor

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/FairSchedulerAppsBlock.java

@@ -89,7 +89,6 @@ public class FairSchedulerAppsBlock extends HtmlBlock {
             th(".queue", "Queue").
             th(".fairshare", "Fair Share").
             th(".starttime", "StartTime").
-            th(".launchTime", "LaunchTime").
             th(".finishtime", "FinishTime").
             th(".state", "State").
             th(".finalstatus", "FinalStatus").
@@ -136,7 +135,6 @@ public class FairSchedulerAppsBlock extends HtmlBlock {
         appInfo.getQueue()))).append("\",\"")
       .append(fairShare).append("\",\"")
       .append(appInfo.getStartTime()).append("\",\"")
-      .append(appInfo.getLaunchTime()).append("\",\"")
       .append(appInfo.getFinishTime()).append("\",\"")
       .append(appInfo.getState()).append("\",\"")
       .append(appInfo.getFinalStatus()).append("\",\"")

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/RMAppsBlock.java

@@ -62,7 +62,6 @@ public class RMAppsBlock extends AppsBlock {
           .th(".name", "Name").th(".type", "Application Type")
           .th(".queue", "Queue").th(".priority", "Application Priority")
           .th(".starttime", "StartTime")
-          .th("launchtime", "LaunchTime")
           .th(".finishtime", "FinishTime").th(".state", "State")
           .th(".finalstatus", "FinalStatus")
           .th(".runningcontainer", "Running Containers")
@@ -135,7 +134,6 @@ public class RMAppsBlock extends AppsBlock {
              .getQueue()))).append("\",\"").append(String
              .valueOf(app.getPriority()))
         .append("\",\"").append(app.getStartedTime())
-        .append("\",\"").append(app.getLaunchTime())
         .append("\",\"").append(app.getFinishedTime())
         .append("\",\"")
         .append(app.getAppState() == null ? UNAVAILABLE : app.getAppState())

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/dao/AppInfo.java

@@ -87,7 +87,6 @@ public class AppInfo {
 
   // these are only allowed if acls allow
   protected long startedTime;
-  private long launchTime;
   protected long finishedTime;
   protected long elapsedTime;
   protected String amContainerLogs;
@@ -182,7 +181,6 @@ public class AppInfo {
       this.clusterId = ResourceManager.getClusterTimeStamp();
       if (hasAccess) {
         this.startedTime = app.getStartTime();
-        this.launchTime = app.getLaunchTime();
         this.finishedTime = app.getFinishTime();
         this.elapsedTime =
             Times.elapsed(app.getStartTime(), app.getFinishTime());
@@ -396,10 +394,6 @@ public class AppInfo {
     return this.startedTime;
   }
 
-  public long getLaunchTime() {
-    return this.launchTime;
-  }
-
   public long getFinishTime() {
     return this.finishedTime;
   }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/proto/yarn_server_resourcemanager_recovery.proto

@@ -70,7 +70,6 @@ message ApplicationStateDataProto {
     optional int64 finish_time = 7;
     optional hadoop.common.RPCCallerContextProto caller_context = 8;
     repeated ApplicationTimeoutMapProto application_timeouts = 9;
-    optional int64 launch_time = 10;
 }
 
 message ApplicationAttemptStateDataProto {

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/applicationsmanager/MockAsm.java

@@ -92,12 +92,7 @@ public abstract class MockAsm extends MockApps {
     public long getSubmitTime() {
       throw new UnsupportedOperationException("Not supported yet.");
     }
-
-    @Override
-    public long getLaunchTime() {
-      throw new UnsupportedOperationException("Not supported yet.");
-    }
-
+    
     @Override
     public long getFinishTime() {
       throw new UnsupportedOperationException("Not supported yet.");
@@ -277,7 +272,6 @@ public abstract class MockAsm extends MockApps {
     final String name = newAppName();
     final String queue = newQueue();
     final long start = 123456 + i * 1000;
-    final long launch = start + i * 100;
     final long finish = 234567 + i * 1000;
     final String type = YarnConfiguration.DEFAULT_APPLICATION_TYPE;
     YarnApplicationState[] allStates = YarnApplicationState.values();
@@ -313,11 +307,6 @@ public abstract class MockAsm extends MockApps {
         return start;
       }
 
-      @Override
-      public long getLaunchTime() {
-        return launch;
-      }
-
       @Override
       public long getFinishTime() {
         return finish;
@@ -368,7 +357,7 @@ public abstract class MockAsm extends MockApps {
         ApplicationReport report = ApplicationReport.newInstance(
             getApplicationId(), appAttemptId, getUser(), getQueue(), 
             getName(), null, 0, null, null, getDiagnostics().toString(), 
-            getTrackingUrl(), getLaunchTime(), getStartTime(), getFinishTime(),
+            getTrackingUrl(), getStartTime(), getFinishTime(), 
             getFinalApplicationStatus(), usageReport , null, getProgress(),
             type, null);
         return report;

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStoreTestBase.java

@@ -358,7 +358,7 @@ public class RMStateStoreTestBase {
         ApplicationStateData.newInstance(appState.getSubmitTime(),
             appState.getStartTime(), appState.getUser(),
             appState.getApplicationSubmissionContext(), RMAppState.FINISHED,
-            "appDiagnostics", 123, 1234, appState.getCallerContext());
+            "appDiagnostics", 1234, appState.getCallerContext());
     appState2.attempts.putAll(appState.attempts);
     store.updateApplicationState(appState2);
 
@@ -384,7 +384,7 @@ public class RMStateStoreTestBase {
     ApplicationStateData dummyApp =
         ApplicationStateData.newInstance(appState.getSubmitTime(),
             appState.getStartTime(), appState.getUser(), dummyContext,
-            RMAppState.FINISHED, "appDiagnostics", 123, 1234, null);
+            RMAppState.FINISHED, "appDiagnostics", 1234, null);
     store.updateApplicationState(dummyApp);
 
     ApplicationAttemptId dummyAttemptId =

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/TestFSRMStateStore.java

@@ -407,7 +407,7 @@ public class TestFSRMStateStore extends RMStateStoreTestBase {
             store.storeApplicationStateInternal(
                 ApplicationId.newInstance(100L, 1),
                 ApplicationStateData.newInstance(111, 111, "user", null,
-                    RMAppState.ACCEPTED, "diagnostics", 222, 333, null));
+                    RMAppState.ACCEPTED, "diagnostics", 333, null));
           } catch (Exception e) {
             assertionFailedInThread.set(true);
             e.printStackTrace();

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/TestZKRMStateStore.java

@@ -790,7 +790,7 @@ public class TestZKRMStateStore extends RMStateStoreTestBase {
       long finishTime, boolean isFinished) {
     return ApplicationStateData.newInstance(submitTime, startTime, "test",
         ctxt, isFinished ? RMAppState.FINISHED : null, isFinished ?
-        "appDiagnostics" : "", 0, isFinished ? finishTime : 0, null);
+        "appDiagnostics" : "", isFinished ? finishTime : 0, null);
   }
 
   private static ApplicationAttemptStateData createFinishedAttempt(

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/MockRMApp.java

@@ -57,7 +57,6 @@ public class MockRMApp implements RMApp {
   String name = MockApps.newAppName();
   String queue = MockApps.newQueue();
   long start = System.currentTimeMillis() - (int) (Math.random() * DT);
-  private long launch = start;
   long submit = start - (int) (Math.random() * DT);
   long finish = 0;
   RMAppState state = RMAppState.NEW;
@@ -195,11 +194,6 @@ public class MockRMApp implements RMApp {
     return submit;
   }
 
-  @Override
-  public long getLaunchTime() {
-    return launch;
-  }
-
   public void setStartTime(long time) {
     this.start = time;
   }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/TestRMAppTransitions.java

@@ -1239,7 +1239,7 @@ public class TestRMAppTransitions {
     ApplicationStateData appState =
         ApplicationStateData.newInstance(app.getSubmitTime(), app.getStartTime(),
             app.getUser(), app.getApplicationSubmissionContext(), rmAppState,
-            null, app.getLaunchTime(), app.getFinishTime(), null);
+            null, app.getFinishTime(), null);
     applicationState.put(app.getApplicationId(), appState);
   }
   

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/TestRMWebApp.java

@@ -257,7 +257,7 @@ public class TestRMWebApp {
               app.getName(), (String) null, 0, (Token) null,
               app.createApplicationState(),
               app.getDiagnostics().toString(), (String) null,
-              app.getStartTime(), app.getLaunchTime(), app.getFinishTime(),
+              app.getStartTime(), app.getFinishTime(),
               app.getFinalApplicationStatus(),
               (ApplicationResourceUsageReport) null, app.getTrackingUrl(),
               app.getProgress(), app.getApplicationType(), (Token) null);

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/TestRMWebServicesApps.java

@@ -1553,7 +1553,6 @@ public class TestRMWebServicesApps extends JerseyTestBase {
           WebServicesTestUtils.getXmlString(element, "diagnostics"),
           WebServicesTestUtils.getXmlLong(element, "clusterId"),
           WebServicesTestUtils.getXmlLong(element, "startedTime"),
-          WebServicesTestUtils.getXmlLong(element, "launchTime"),
           WebServicesTestUtils.getXmlLong(element, "finishedTime"),
           WebServicesTestUtils.getXmlLong(element, "elapsedTime"),
           WebServicesTestUtils.getXmlString(element, "amHostHttpAddress"),
@@ -1604,7 +1603,7 @@ public class TestRMWebServicesApps extends JerseyTestBase {
   public void verifyAppInfo(JSONObject info, RMApp app, boolean hasResourceReqs)
       throws JSONException, Exception {
 
-    int expectedNumberOfElements = 40 + (hasResourceReqs ? 2 : 0);
+    int expectedNumberOfElements = 39 + (hasResourceReqs ? 2 : 0);
     String appNodeLabelExpression = null;
     String amNodeLabelExpression = null;
     if (app.getApplicationSubmissionContext()
@@ -1630,10 +1629,8 @@ public class TestRMWebServicesApps extends JerseyTestBase {
         info.getString("state"), info.getString("finalStatus"),
         (float) info.getDouble("progress"), info.getString("trackingUI"),
         info.getString("diagnostics"), info.getLong("clusterId"),
-        info.getLong("startedTime"), info.getLong("launchTime"),
-        info.getLong("finishedTime"),
-        info.getLong("elapsedTime"),
-        info.getString("amHostHttpAddress"),
+        info.getLong("startedTime"), info.getLong("finishedTime"),
+        info.getLong("elapsedTime"), info.getString("amHostHttpAddress"),
         info.getString("amContainerLogs"), info.getInt("allocatedMB"),
         info.getInt("allocatedVCores"), info.getInt("runningContainers"),
         (float) info.getDouble("queueUsagePercentage"),
@@ -1656,9 +1653,8 @@ public class TestRMWebServicesApps extends JerseyTestBase {
   public void verifyAppInfoGeneric(RMApp app, String id, String user,
       String name, String applicationType, String queue, int prioirty,
       String state, String finalStatus, float progress, String trackingUI,
-      String diagnostics, long clusterId, long startedTime,
-      long launchTime, long finishedTime, long elapsedTime,
-      String amHostHttpAddress, String amContainerLogs,
+      String diagnostics, long clusterId, long startedTime, long finishedTime,
+      long elapsedTime, String amHostHttpAddress, String amContainerLogs,
       int allocatedMB, int allocatedVCores, int numContainers,
       float queueUsagePerc, float clusterUsagePerc,
       int preemptedResourceMB, int preemptedResourceVCores,