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Posted to common-commits@hadoop.apache.org by pr...@apache.org on 2019/11/19 10:58:56 UTC

[hadoop] branch branch-3.1 updated: YARN-9909. Offline Format of YarnConfigurationStore. Contributed by Prabhu Joseph.

This is an automated email from the ASF dual-hosted git repository.

prabhujoseph pushed a commit to branch branch-3.1
in repository https://gitbox.apache.org/repos/asf/hadoop.git


The following commit(s) were added to refs/heads/branch-3.1 by this push:
     new dab4cc6  YARN-9909. Offline Format of YarnConfigurationStore. Contributed by Prabhu Joseph.
dab4cc6 is described below

commit dab4cc6320b105831cdaa8f8cd4078c613b8a219
Author: Sunil G <su...@apache.org>
AuthorDate: Thu Oct 17 01:00:08 2019 +0530

    YARN-9909. Offline Format of YarnConfigurationStore. Contributed by Prabhu Joseph.
---
 .../server/resourcemanager/ResourceManager.java    | 47 +++++++++++++++++++++-
 .../conf/MutableCSConfigurationProvider.java       | 18 +--------
 .../conf/YarnConfigurationStoreFactory.java        | 22 +++++++---
 .../resourcemanager/TestRMStoreCommands.java       | 35 ++++++++++++++++
 .../src/site/markdown/YarnCommands.md              |  2 +-
 5 files changed, 100 insertions(+), 24 deletions(-)

diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java
index e3544ff..e368e26 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java
@@ -96,11 +96,14 @@ import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeEvent;
 import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeEventType;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.QueueMetrics;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceScheduler;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.conf.YarnConfigurationStore;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.conf.YarnConfigurationStoreFactory;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.constraint.AllocationTagsManager;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.constraint.MemoryPlacementConstraintManager;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.constraint.PlacementConstraintManagerService;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.SchedulerEvent;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.SchedulerEventType;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.MutableConfScheduler;
 import org.apache.hadoop.yarn.server.resourcemanager.security.DelegationTokenRenewer;
 import org.apache.hadoop.yarn.server.resourcemanager.security.QueueACLsManager;
 import org.apache.hadoop.yarn.server.resourcemanager.timelineservice.RMTimelineCollectorManager;
@@ -1491,6 +1494,8 @@ public class ResourceManager extends CompositeService
       if (argv.length >= 1) {
         if (argv[0].equals("-format-state-store")) {
           deleteRMStateStore(conf);
+        } else if (argv[0].equals("-format-conf-store")) {
+          deleteRMConfStore(conf);
         } else if (argv[0].equals("-remove-application-from-state-store")
             && argv.length == 2) {
           removeApplication(conf, argv[1]);
@@ -1583,6 +1588,44 @@ public class ResourceManager extends CompositeService
     }
   }
 
+  /**
+   * Deletes the YarnConfigurationStore.
+   *
+   * @param conf
+   * @throws Exception
+   */
+  @VisibleForTesting
+  static void deleteRMConfStore(Configuration conf) throws Exception {
+    ResourceManager rm = new ResourceManager();
+    rm.conf = conf;
+    ResourceScheduler scheduler = rm.createScheduler();
+    RMContextImpl rmContext = new RMContextImpl();
+    rmContext.setResourceManager(rm);
+
+    boolean isConfigurationMutable = false;
+    String confProviderStr = conf.get(
+        YarnConfiguration.SCHEDULER_CONFIGURATION_STORE_CLASS,
+        YarnConfiguration.DEFAULT_CONFIGURATION_STORE);
+    switch (confProviderStr) {
+    case YarnConfiguration.MEMORY_CONFIGURATION_STORE:
+    case YarnConfiguration.LEVELDB_CONFIGURATION_STORE:
+    case YarnConfiguration.ZK_CONFIGURATION_STORE:
+      isConfigurationMutable = true;
+      break;
+    default:
+    }
+
+    if (scheduler instanceof MutableConfScheduler && isConfigurationMutable) {
+      YarnConfigurationStore confStore = YarnConfigurationStoreFactory
+          .getStore(conf);
+      confStore.initialize(conf, conf, rmContext);
+      confStore.format();
+    } else {
+      System.out.println("Scheduler Configuration format only " +
+          "supported by MutableConfScheduler.");
+    }
+  }
+
   @VisibleForTesting
   static void removeApplication(Configuration conf, String applicationId)
       throws Exception {
@@ -1603,7 +1646,9 @@ public class ResourceManager extends CompositeService
   private static void printUsage(PrintStream out) {
     out.println("Usage: yarn resourcemanager [-format-state-store]");
     out.println("                            "
-        + "[-remove-application-from-state-store <appId>]" + "\n");
+        + "[-remove-application-from-state-store <appId>]");
+    out.println("                            "
+        + "[-format-conf-store]" + "\n");
   }
 
   protected RMAppLifetimeMonitor createRMAppLifetimeMonitor() {
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/conf/MutableCSConfigurationProvider.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/conf/MutableCSConfigurationProvider.java
index fd03d87..ba8a09f 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/conf/MutableCSConfigurationProvider.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/conf/MutableCSConfigurationProvider.java
@@ -70,23 +70,7 @@ public class MutableCSConfigurationProvider implements CSConfigurationProvider,
 
   @Override
   public void init(Configuration config) throws IOException {
-    String store = config.get(
-        YarnConfiguration.SCHEDULER_CONFIGURATION_STORE_CLASS,
-        YarnConfiguration.MEMORY_CONFIGURATION_STORE);
-    switch (store) {
-    case YarnConfiguration.MEMORY_CONFIGURATION_STORE:
-      this.confStore = new InMemoryConfigurationStore();
-      break;
-    case YarnConfiguration.LEVELDB_CONFIGURATION_STORE:
-      this.confStore = new LeveldbConfigurationStore();
-      break;
-    case YarnConfiguration.ZK_CONFIGURATION_STORE:
-      this.confStore = new ZKConfigurationStore();
-      break;
-    default:
-      this.confStore = YarnConfigurationStoreFactory.getStore(config);
-      break;
-    }
+    this.confStore = YarnConfigurationStoreFactory.getStore(config);
     Configuration initialSchedConf = new Configuration(false);
     initialSchedConf.addResource(YarnConfiguration.CS_CONFIGURATION_FILE);
     this.schedConf = new Configuration(false);
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/conf/YarnConfigurationStoreFactory.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/conf/YarnConfigurationStoreFactory.java
index 60249c8..9b6893c 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/conf/YarnConfigurationStoreFactory.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/conf/YarnConfigurationStoreFactory.java
@@ -37,10 +37,22 @@ public final class YarnConfigurationStoreFactory {
   }
 
   public static YarnConfigurationStore getStore(Configuration conf) {
-    Class<? extends YarnConfigurationStore> storeClass =
-        conf.getClass(YarnConfiguration.SCHEDULER_CONFIGURATION_STORE_CLASS,
-            InMemoryConfigurationStore.class, YarnConfigurationStore.class);
-    LOG.info("Using YarnConfigurationStore implementation - " + storeClass);
-    return ReflectionUtils.newInstance(storeClass, conf);
+    String store = conf.get(
+        YarnConfiguration.SCHEDULER_CONFIGURATION_STORE_CLASS,
+        YarnConfiguration.MEMORY_CONFIGURATION_STORE);
+    switch (store) {
+    case YarnConfiguration.MEMORY_CONFIGURATION_STORE:
+      return new InMemoryConfigurationStore();
+    case YarnConfiguration.LEVELDB_CONFIGURATION_STORE:
+      return new LeveldbConfigurationStore();
+    case YarnConfiguration.ZK_CONFIGURATION_STORE:
+      return new ZKConfigurationStore();
+    default:
+      Class<? extends YarnConfigurationStore> storeClass =
+          conf.getClass(YarnConfiguration.SCHEDULER_CONFIGURATION_STORE_CLASS,
+          InMemoryConfigurationStore.class, YarnConfigurationStore.class);
+      LOG.info("Using YarnConfigurationStore implementation - " + storeClass);
+      return ReflectionUtils.newInstance(storeClass, conf);
+    }
   }
 }
\ No newline at end of file
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMStoreCommands.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMStoreCommands.java
index 0203351..e2c7834 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMStoreCommands.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMStoreCommands.java
@@ -19,6 +19,8 @@
 package org.apache.hadoop.yarn.server.resourcemanager;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
@@ -67,6 +69,39 @@ public class TestRMStoreCommands {
   }
 
   @Test
+  public void testFormatConfStoreCmdForZK() throws Exception {
+    try (TestingServer curatorTestingServer =
+        TestZKRMStateStore.setupCuratorServer();
+        CuratorFramework curatorFramework = TestZKRMStateStore.
+            setupCuratorFramework(curatorTestingServer)) {
+      Configuration conf = TestZKRMStateStore.createHARMConf("rm1,rm2", "rm1",
+          1234, false, curatorTestingServer);
+      conf.set(YarnConfiguration.SCHEDULER_CONFIGURATION_STORE_CLASS,
+          YarnConfiguration.ZK_CONFIGURATION_STORE);
+
+      ResourceManager rm = new MockRM(conf);
+      rm.start();
+
+      String confStorePath = conf.get(
+          YarnConfiguration.RM_SCHEDCONF_STORE_ZK_PARENT_PATH,
+          YarnConfiguration.DEFAULT_RM_SCHEDCONF_STORE_ZK_PARENT_PATH)
+          + "/CONF_STORE";
+      assertNotNull("Failed to initialize ZKConfigurationStore",
+          curatorFramework.checkExists().forPath(confStorePath));
+
+      rm.close();
+      try {
+        ResourceManager.deleteRMConfStore(conf);
+      } catch (Exception e) {
+        fail("Exception should not be thrown during format rm conf store" +
+            " operation.");
+      }
+      assertNull("Failed to format ZKConfigurationStore",
+          curatorFramework.checkExists().forPath(confStorePath));
+    }
+  }
+
+  @Test
   public void testRemoveApplicationFromStateStoreCmdForZK() throws Exception {
     StateChangeRequestInfo req = new StateChangeRequestInfo(
         HAServiceProtocol.RequestSource.REQUEST_BY_USER);
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/YarnCommands.md b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/YarnCommands.md
index e17538c..cfa1ce6 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/YarnCommands.md
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/YarnCommands.md
@@ -193,7 +193,7 @@ Usage: `yarn resourcemanager [-format-state-store]`
 |:---- |:---- |
 | -format-state-store | Formats the RMStateStore. This will clear the RMStateStore and is useful if past applications are no longer needed. This should be run only when the ResourceManager is not running. |
 | -remove-application-from-state-store \<appId\> | Remove the application from RMStateStore. This should be run only when the ResourceManager is not running. |
-
+| -format-conf-store | Formats the YarnConfigurationStore. This will clear the persisted scheduler configuration under YarnConfigurationStore. This should be run only when the ResourceManager is not running. |
 Start the ResourceManager
 
 ### `rmadmin`


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