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From haiboc...@apache.org
Subject hadoop git commit: YARN-6936. [Atsv2] Retrospect storing entities into sub application table from client perspective. (Rohith Sharma K S via Haibo Chen)
Date Thu, 05 Apr 2018 18:44:41 GMT
Repository: hadoop
Updated Branches:
  refs/heads/branch-3.0 9fe337096 -> 9cb378f5c


YARN-6936. [Atsv2] Retrospect storing entities into sub application table from client perspective.
(Rohith Sharma K S via Haibo Chen)

(cherry picked from commit f8b8bd53c4797d406bea5b1b0cdb179e209169cc)
(cherry picked from commit 6658018410defe3d7e4ea2a465e68d1cfdde6ada)


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/9cb378f5
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/9cb378f5
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/9cb378f5

Branch: refs/heads/branch-3.0
Commit: 9cb378f5c762f3b26598d3ade448219e5801fa2f
Parents: 9fe3370
Author: Haibo Chen <haibochen@apache.org>
Authored: Thu Apr 5 10:22:50 2018 -0700
Committer: Haibo Chen <haibochen@apache.org>
Committed: Thu Apr 5 11:38:44 2018 -0700

----------------------------------------------------------------------
 .../timelineservice/SubApplicationEntity.java   | 50 ++++++++++++++++++++
 .../yarn/client/api/TimelineV2Client.java       | 47 +++++++++++++++---
 .../client/api/impl/TimelineV2ClientImpl.java   | 30 ++++++++++--
 ...stTimelineReaderWebServicesHBaseStorage.java |  7 +--
 .../TestHBaseTimelineStorageEntities.java       |  3 +-
 .../storage/HBaseTimelineWriterImpl.java        |  3 +-
 .../collector/TimelineCollectorWebService.java  | 19 ++++++--
 7 files changed, 138 insertions(+), 21 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/9cb378f5/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/timelineservice/SubApplicationEntity.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/timelineservice/SubApplicationEntity.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/timelineservice/SubApplicationEntity.java
new file mode 100644
index 0000000..a83ef3d
--- /dev/null
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/timelineservice/SubApplicationEntity.java
@@ -0,0 +1,50 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.yarn.api.records.timelineservice;
+
+import org.apache.hadoop.classification.InterfaceAudience;
+import org.apache.hadoop.classification.InterfaceStability;
+
+/**
+ * This entity represents a user defined entities to be stored under sub
+ * application table.
+ */
+@InterfaceAudience.Public
+@InterfaceStability.Unstable
+public class SubApplicationEntity extends HierarchicalTimelineEntity {
+
+  public static final String YARN_APPLICATION_ID = "YARN_APPLICATION_ID";
+
+  public SubApplicationEntity(TimelineEntity entity) {
+    super(entity);
+  }
+
+  /**
+   * Checks if the input TimelineEntity object is an SubApplicationEntity.
+   *
+   * @param te TimelineEntity object.
+   * @return true if input is an SubApplicationEntity, false otherwise
+   */
+  public static boolean isSubApplicationEntity(TimelineEntity te) {
+    return (te != null && te instanceof SubApplicationEntity);
+  }
+
+  public void setApplicationId(String appId) {
+    addInfo(YARN_APPLICATION_ID, appId);
+  }
+}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/9cb378f5/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/TimelineV2Client.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/TimelineV2Client.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/TimelineV2Client.java
index 423c059..e987b46 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/TimelineV2Client.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/TimelineV2Client.java
@@ -54,9 +54,10 @@ public abstract class TimelineV2Client extends CompositeService {
 
   /**
    * <p>
-   * Send the information of a number of conceptual entities to the timeline
-   * service v.2 collector. It is a blocking API. The method will not return
-   * until all the put entities have been persisted.
+   * Send the information of a number of conceptual entities within the scope
+   * of YARN application to the timeline service v.2 collector. It is a blocking
+   * API. The method will not return until all the put entities have been
+   * persisted.
    * </p>
    *
    * @param entities the collection of {@link TimelineEntity}
@@ -69,9 +70,10 @@ public abstract class TimelineV2Client extends CompositeService {
 
   /**
    * <p>
-   * Send the information of a number of conceptual entities to the timeline
-   * service v.2 collector. It is an asynchronous API. The method will return
-   * once all the entities are received.
+   * Send the information of a number of conceptual entities within the scope
+   * of YARN application to the timeline service v.2 collector. It is an
+   * asynchronous API. The method will return once all the entities are
+   * received.
    * </p>
    *
    * @param entities the collection of {@link TimelineEntity}
@@ -93,4 +95,37 @@ public abstract class TimelineV2Client extends CompositeService {
    * address and timeline delegation token.
    */
   public abstract void setTimelineCollectorInfo(CollectorInfo collectorInfo);
+
+
+  /**
+   * <p>
+   * Send the information of a number of conceptual entities within the scope of
+   * a sub-application to the timeline service v.2 collector. It is a blocking
+   * API. The method will not return until all the put entities have been
+   * persisted.
+   * </p>
+   *
+   * @param entities the collection of {@link TimelineEntity}
+   * @throws IOException  if there are I/O errors
+   * @throws YarnException if entities are incomplete/invalid
+   */
+  @Public
+  public abstract void putSubAppEntities(TimelineEntity... entities)
+      throws IOException, YarnException;
+
+  /**
+   * <p>
+   * Send the information of a number of conceptual entities within the scope of
+   * a sub-application to the timeline service v.2 collector. It is an
+   * asynchronous API. The method will return once all the entities are received
+   * .
+   * </p>
+   *
+   * @param entities the collection of {@link TimelineEntity}
+   * @throws IOException  if there are I/O errors
+   * @throws YarnException if entities are incomplete/invalid
+   */
+  @Public
+  public abstract void putSubAppEntitiesAsync(TimelineEntity... entities)
+      throws IOException, YarnException;
 }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/9cb378f5/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/impl/TimelineV2ClientImpl.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/impl/TimelineV2ClientImpl.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/impl/TimelineV2ClientImpl.java
index 02c9519..3cc7ac0 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/impl/TimelineV2ClientImpl.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/impl/TimelineV2ClientImpl.java
@@ -69,6 +69,7 @@ public class TimelineV2ClientImpl extends TimelineV2Client {
   private static final String RESOURCE_URI_STR_V2 = "/ws/v2/timeline/";
 
   private TimelineEntityDispatcher entityDispatcher;
+  private TimelineEntityDispatcher subAppEntityDispatcher;
   private volatile String timelineServiceAddress;
   @VisibleForTesting
   volatile Token currentTimelineToken = null;
@@ -124,6 +125,7 @@ public class TimelineV2ClientImpl extends TimelineV2Client {
         YarnConfiguration.TIMELINE_SERVICE_CLIENT_RETRY_INTERVAL_MS,
         YarnConfiguration.DEFAULT_TIMELINE_SERVICE_CLIENT_RETRY_INTERVAL_MS);
     entityDispatcher = new TimelineEntityDispatcher(conf);
+    subAppEntityDispatcher = new TimelineEntityDispatcher(conf);
     super.serviceInit(conf);
   }
 
@@ -131,24 +133,38 @@ public class TimelineV2ClientImpl extends TimelineV2Client {
   protected void serviceStart() throws Exception {
     super.serviceStart();
     entityDispatcher.start();
+    subAppEntityDispatcher.start();
   }
 
   @Override
   protected void serviceStop() throws Exception {
     entityDispatcher.stop();
+    subAppEntityDispatcher.stop();
     super.serviceStop();
   }
 
   @Override
   public void putEntities(TimelineEntity... entities)
       throws IOException, YarnException {
-    entityDispatcher.dispatchEntities(true, entities);
+    entityDispatcher.dispatchEntities(true, entities, false);
   }
 
   @Override
   public void putEntitiesAsync(TimelineEntity... entities)
       throws IOException, YarnException {
-    entityDispatcher.dispatchEntities(false, entities);
+    entityDispatcher.dispatchEntities(false, entities, false);
+  }
+
+  @Override
+  public void putSubAppEntities(TimelineEntity... entities)
+      throws IOException, YarnException {
+    subAppEntityDispatcher.dispatchEntities(true, entities, true);
+  }
+
+  @Override
+  public void putSubAppEntitiesAsync(TimelineEntity... entities)
+      throws IOException, YarnException {
+    subAppEntityDispatcher.dispatchEntities(false, entities, true);
   }
 
   @Override
@@ -346,13 +362,15 @@ public class TimelineV2ClientImpl extends TimelineV2Client {
     private final TimelineEntities entities;
     private final boolean isSync;
 
-    EntitiesHolder(final TimelineEntities entities, final boolean isSync) {
+    EntitiesHolder(final TimelineEntities entities, final boolean isSync,
+        final boolean subappwrite) {
       super(new Callable<Void>() {
         // publishEntities()
         public Void call() throws Exception {
           MultivaluedMap<String, String> params = new MultivaluedMapImpl();
           params.add("appid", getContextAppId().toString());
           params.add("async", Boolean.toString(!isSync));
+          params.add("subappwrite", Boolean.toString(subappwrite));
           putObjects("entities", params, entities);
           return null;
         }
@@ -496,7 +514,8 @@ public class TimelineV2ClientImpl extends TimelineV2Client {
     }
 
     public void dispatchEntities(boolean sync,
-        TimelineEntity[] entitiesTobePublished) throws YarnException {
+        TimelineEntity[] entitiesTobePublished, boolean subappwrite)
+        throws YarnException {
       if (executor.isShutdown()) {
         throw new YarnException("Timeline client is in the process of stopping,"
             + " not accepting any more TimelineEntities");
@@ -509,7 +528,8 @@ public class TimelineV2ClientImpl extends TimelineV2Client {
       }
 
       // created a holder and place it in queue
-      EntitiesHolder entitiesHolder = new EntitiesHolder(entities, sync);
+      EntitiesHolder entitiesHolder =
+          new EntitiesHolder(entities, sync, subappwrite);
       try {
         timelineEntityQueue.put(entitiesHolder);
       } catch (InterruptedException e) {

http://git-wip-us.apache.org/repos/asf/hadoop/blob/9cb378f5/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/src/test/java/org/apache/hadoop/yarn/server/timelineservice/reader/TestTimelineReaderWebServicesHBaseStorage.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/src/test/java/org/apache/hadoop/yarn/server/timelineservice/reader/TestTimelineReaderWebServicesHBaseStorage.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/src/test/java/org/apache/hadoop/yarn/server/timelineservice/reader/TestTimelineReaderWebServicesHBaseStorage.java
index b2029ca..c8bb091 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/src/test/java/org/apache/hadoop/yarn/server/timelineservice/reader/TestTimelineReaderWebServicesHBaseStorage.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/src/test/java/org/apache/hadoop/yarn/server/timelineservice/reader/TestTimelineReaderWebServicesHBaseStorage.java
@@ -41,6 +41,7 @@ import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.timelineservice.ApplicationEntity;
 import org.apache.hadoop.yarn.api.records.timelineservice.FlowActivityEntity;
 import org.apache.hadoop.yarn.api.records.timelineservice.FlowRunEntity;
+import org.apache.hadoop.yarn.api.records.timelineservice.SubApplicationEntity;
 import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntities;
 import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity;
 import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntityType;
@@ -265,7 +266,7 @@ public class TestTimelineReaderWebServicesHBaseStorage
     relatesTo1.put("type3",
         Sets.newHashSet("entity31", "entity35", "entity32", "entity33"));
     entity5.addRelatesToEntities(relatesTo1);
-    userEntities.addEntity(entity5);
+    userEntities.addEntity(new SubApplicationEntity(entity5));
 
     TimelineEntity entity6 = new TimelineEntity();
     entity6.setId("entity2");
@@ -324,7 +325,7 @@ public class TestTimelineReaderWebServicesHBaseStorage
     relatesTo2.put("type6", Sets.newHashSet("entity61", "entity66"));
     relatesTo2.put("type3", Sets.newHashSet("entity31"));
     entity6.addRelatesToEntities(relatesTo2);
-    userEntities.addEntity(entity6);
+    userEntities.addEntity(new SubApplicationEntity(entity6));
 
     for (long i = 1; i <= 10; i++) {
       TimelineEntity userEntity = new TimelineEntity();
@@ -332,7 +333,7 @@ public class TestTimelineReaderWebServicesHBaseStorage
       userEntity.setId("entityid-" + i);
       userEntity.setIdPrefix(11 - i);
       userEntity.setCreatedTime(ts);
-      userEntities.addEntity(userEntity);
+      userEntities.addEntity(new SubApplicationEntity(userEntity));
     }
 
     HBaseTimelineWriterImpl hbi = null;

http://git-wip-us.apache.org/repos/asf/hadoop/blob/9cb378f5/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/src/test/java/org/apache/hadoop/yarn/server/timelineservice/storage/TestHBaseTimelineStorageEntities.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/src/test/java/org/apache/hadoop/yarn/server/timelineservice/storage/TestHBaseTimelineStorageEntities.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/src/test/java/org/apache/hadoop/yarn/server/timelineservice/storage/TestHBaseTimelineStorageEntities.java
index 5e08999..117e0d3 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/src/test/java/org/apache/hadoop/yarn/server/timelineservice/storage/TestHBaseTimelineStorageEntities.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/src/test/java/org/apache/hadoop/yarn/server/timelineservice/storage/TestHBaseTimelineStorageEntities.java
@@ -43,6 +43,7 @@ import org.apache.hadoop.hbase.client.Scan;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.timelineservice.ApplicationEntity;
+import org.apache.hadoop.yarn.api.records.timelineservice.SubApplicationEntity;
 import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntities;
 import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity;
 import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEvent;
@@ -194,7 +195,7 @@ public class TestHBaseTimelineStorageEntities {
     m1.setValues(metricValues);
     metrics.add(m1);
     entity.addMetrics(metrics);
-    te.addEntity(entity);
+    te.addEntity(new SubApplicationEntity(entity));
 
     HBaseTimelineWriterImpl hbi = null;
     try {

http://git-wip-us.apache.org/repos/asf/hadoop/blob/9cb378f5/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/HBaseTimelineWriterImpl.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/HBaseTimelineWriterImpl.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/HBaseTimelineWriterImpl.java
index f938185..59780e3 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/HBaseTimelineWriterImpl.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/HBaseTimelineWriterImpl.java
@@ -29,6 +29,7 @@ import org.apache.hadoop.hbase.client.ConnectionFactory;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.service.AbstractService;
 import  org.apache.hadoop.yarn.api.records.timelineservice.ApplicationEntity;
+import org.apache.hadoop.yarn.api.records.timelineservice.SubApplicationEntity;
 import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntities;
 import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity;
 import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEvent;
@@ -188,7 +189,7 @@ public class HBaseTimelineWriterImpl extends AbstractService implements
         store(rowKey, te, flowVersion, Tables.ENTITY_TABLE);
       }
 
-      if (!isApplication && !userId.equals(subApplicationUser)) {
+      if (!isApplication && SubApplicationEntity.isSubApplicationEntity(te)) {
         SubApplicationRowKey subApplicationRowKey =
             new SubApplicationRowKey(subApplicationUser, clusterId,
                 te.getType(), te.getIdPrefix(), te.getId(), userId);

http://git-wip-us.apache.org/repos/asf/hadoop/blob/9cb378f5/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/collector/TimelineCollectorWebService.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/collector/TimelineCollectorWebService.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/collector/TimelineCollectorWebService.java
index efb5d6b..272b478 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/collector/TimelineCollectorWebService.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/collector/TimelineCollectorWebService.java
@@ -48,6 +48,7 @@ import org.apache.hadoop.yarn.api.records.timelineservice.ClusterEntity;
 import org.apache.hadoop.yarn.api.records.timelineservice.ContainerEntity;
 import org.apache.hadoop.yarn.api.records.timelineservice.FlowRunEntity;
 import org.apache.hadoop.yarn.api.records.timelineservice.QueueEntity;
+import org.apache.hadoop.yarn.api.records.timelineservice.SubApplicationEntity;
 import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntities;
 import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity;
 import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntityType;
@@ -142,6 +143,7 @@ public class TimelineCollectorWebService {
       @Context HttpServletRequest req,
       @Context HttpServletResponse res,
       @QueryParam("async") String async,
+      @QueryParam("subappwrite") String isSubAppEntities,
       @QueryParam("appid") String appId,
       TimelineEntities entities) {
     init(res);
@@ -168,10 +170,11 @@ public class TimelineCollectorWebService {
 
       boolean isAsync = async != null && async.trim().equalsIgnoreCase("true");
       if (isAsync) {
-        collector.putEntitiesAsync(
-            processTimelineEntities(entities), callerUgi);
+        collector.putEntitiesAsync(processTimelineEntities(entities, appId,
+            Boolean.valueOf(isSubAppEntities)), callerUgi);
       } else {
-        collector.putEntities(processTimelineEntities(entities), callerUgi);
+        collector.putEntities(processTimelineEntities(entities, appId,
+            Boolean.valueOf(isSubAppEntities)), callerUgi);
       }
 
       return Response.ok().build();
@@ -212,7 +215,7 @@ public class TimelineCollectorWebService {
   // but let's keep it for now in case we need to use sub-classes APIs in the
   // future (e.g., aggregation).
   private static TimelineEntities processTimelineEntities(
-      TimelineEntities entities) {
+      TimelineEntities entities, String appId, boolean isSubAppWrite) {
     TimelineEntities entitiesToReturn = new TimelineEntities();
     for (TimelineEntity entity : entities.getEntities()) {
       TimelineEntityType type = null;
@@ -248,7 +251,13 @@ public class TimelineCollectorWebService {
           break;
         }
       } else {
-        entitiesToReturn.addEntity(entity);
+        if (isSubAppWrite) {
+          SubApplicationEntity se = new SubApplicationEntity(entity);
+          se.setApplicationId(appId);
+          entitiesToReturn.addEntity(se);
+        } else {
+          entitiesToReturn.addEntity(entity);
+        }
       }
     }
     return entitiesToReturn;


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