Examples of org.apache.hadoop.hbase.CoordinatedStateManager

org.apache.hadoop.hbase.CoordinatedStateManager
Implementations of this interface will keep and return to clients implementations of classes providing API to execute coordinated operations. This interface is client-side, so it does NOT include methods to retrieve the particular interface implementations. For each coarse-grained area of operations there will be a separate interface with implementation, providing API for relevant operations requiring coordination. Property hbase.coordinated.state.manager.class in hbase-site.xml controls which provider to use.

    return USAGE;
  }


  private int start() throws Exception {
    Configuration conf = getConf();
    CoordinatedStateManager cp = CoordinatedStateManagerFactory.getCoordinatedStateManager(conf);
    try {
      // If 'local', don't start a region server here. Defer to
      // LocalHBaseCluster. It manages 'local' clusters.
      if (LocalHBaseCluster.isLocal(conf)) {
        LOG.warn("Not starting a distinct region server because "

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  @Before
  public void setup() {
    Configuration conf = HBaseConfiguration.create();
    conf.setBoolean("hbase.testing.nocluster", true); // No need to do ZK
    CoordinatedStateManager cp = CoordinatedStateManagerFactory.getCoordinatedStateManager(conf);
    regionServer = HRegionServer.constructRegionServer(HRegionServer.class, conf, cp);
    priority = regionServer.rpcServices.getPriority();
  }

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    destServers.add(SERVERNAME_A);
    Mockito.when(this.serverManager.createDestinationServersList()).thenReturn(destServers);
    // To avoid cast exception in DisableTableHandler process.
    HTU.getConfiguration().setInt(HConstants.MASTER_PORT, 0);


    CoordinatedStateManager csm = CoordinatedStateManagerFactory.getCoordinatedStateManager(
      HTU.getConfiguration());
    Server server = new HMaster(HTU.getConfiguration(), csm);
    AssignmentManagerWithExtrasForTesting am = setUpMockedAssignmentManager(server,
        this.serverManager);

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    List<ServerName> destServers = new ArrayList<ServerName>(1);
    destServers.add(SERVERNAME_A);
    Mockito.when(this.serverManager.createDestinationServersList()).thenReturn(destServers);
    Mockito.when(this.serverManager.isServerOnline(SERVERNAME_A)).thenReturn(true);
    HTU.getConfiguration().setInt(HConstants.MASTER_PORT, 0);
    CoordinatedStateManager csm = CoordinatedStateManagerFactory.getCoordinatedStateManager(
      HTU.getConfiguration());
    Server server = new HMaster(HTU.getConfiguration(), csm);
    Whitebox.setInternalState(server, "serverManager", this.serverManager);
    AssignmentManagerWithExtrasForTesting am = setUpMockedAssignmentManager(server,
        this.serverManager);

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    List<ServerName> destServers = new ArrayList<ServerName>(1);
    destServers.add(SERVERNAME_A);
    Mockito.when(this.serverManager.createDestinationServersList()).thenReturn(destServers);
    Mockito.when(this.serverManager.isServerOnline(SERVERNAME_A)).thenReturn(true);
    HTU.getConfiguration().setInt(HConstants.MASTER_PORT, 0);
    CoordinatedStateManager csm = CoordinatedStateManagerFactory.getCoordinatedStateManager(
      HTU.getConfiguration());
    Server server = new HMaster(HTU.getConfiguration(), csm);
    Whitebox.setInternalState(server, "serverManager", this.serverManager);
    AssignmentManagerWithExtrasForTesting am = setUpMockedAssignmentManager(server,
        this.serverManager);

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  public void testRPCException() throws Exception {
    HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
    TEST_UTIL.startMiniZKCluster();
    Configuration conf = TEST_UTIL.getConfiguration();
    conf.set(HConstants.MASTER_PORT, "0");
    CoordinatedStateManager cp = CoordinatedStateManagerFactory.getCoordinatedStateManager(conf);
    HMaster hm = new HMaster(conf, cp);
    ServerName sm = hm.getServerName();
    RpcClient rpcClient = new RpcClient(conf, HConstants.CLUSTER_ID_DEFAULT);
    try {
      int i = 0;

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        ((LocalHMaster)cluster.getMaster(0)).setZKCluster(zooKeeperCluster);
        cluster.startup();
        waitOnMasterThreads(cluster);
      } else {
        logProcessInfo(getConf());
        CoordinatedStateManager csm =
          CoordinatedStateManagerFactory.getCoordinatedStateManager(conf);
        HMaster master = HMaster.constructMaster(masterClass, conf, csm);
        if (master.isStopped()) {
          LOG.info("Won't bring the Master up as a shutdown is requested");
          return 1;

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    // Start transaction.
    RegionMergeTransaction mt = prepareOnGoodRegions();


    // Run the execute. Look at what it returns.
    TEST_UTIL.getConfiguration().setInt(HConstants.REGIONSERVER_PORT, 0);
    CoordinatedStateManager cp = CoordinatedStateManagerFactory.getCoordinatedStateManager(
      TEST_UTIL.getConfiguration());
    Server mockServer = new HRegionServer(TEST_UTIL.getConfiguration(), cp);
    HRegion mergedRegion = mt.execute(mockServer, null);
    // Do some assertions about execution.
    assertTrue(this.fs.exists(mt.getMergesDir()));

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        new MockedFailedMergedRegionCreation());


    // Run the execute. Look at what it returns.
    boolean expectedException = false;
    TEST_UTIL.getConfiguration().setInt(HConstants.REGIONSERVER_PORT, 0);
    CoordinatedStateManager cp = CoordinatedStateManagerFactory.getCoordinatedStateManager(
      TEST_UTIL.getConfiguration());
    Server mockServer = new HRegionServer(TEST_UTIL.getConfiguration(), cp);
    try {
      mt.execute(mockServer, null);
    } catch (MockedFailedMergedRegionCreation e) {

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            (HRegion) Mockito.anyObject());


    // Run the execute. Look at what it returns.
    boolean expectedException = false;
    TEST_UTIL.getConfiguration().setInt(HConstants.REGIONSERVER_PORT, 0);
    CoordinatedStateManager cp = CoordinatedStateManagerFactory.getCoordinatedStateManager(
      TEST_UTIL.getConfiguration());
    Server mockServer = new HRegionServer(TEST_UTIL.getConfiguration(), cp);
    try {
      mt.execute(mockServer, null);
    } catch (MockedFailedMergedRegionOpen e) {

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Related Classes of org.apache.hadoop.hbase.CoordinatedStateManager

org.apache.hadoop.hbase.master.HMasterCommandLine

org.apache.hadoop.hbase.master.SplitLogManager

org.apache.hadoop.hbase.master.TestAssignmentManager

org.apache.hadoop.hbase.master.TestMasterNoCluster

org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine

org.apache.hadoop.hbase.regionserver.TestClusterId

org.apache.hadoop.hbase.regionserver.TestPriorityRpc

org.apache.hadoop.hbase.regionserver.TestRegionMergeTransaction

org.apache.hadoop.hbase.master.TestHMasterRPCException

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