Package org.apache.hadoop.hbase.master

Examples of org.apache.hadoop.hbase.master.ServerManager$ServerMonitor

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   * @return List of regions neither in transition nor assigned.
   * @throws IOException
   */
  private List<HRegionInfo> regionsToAssignWithServerName(
      final List<Pair<HRegionInfo, ServerName>> regionsInMeta) throws IOException {
    ServerManager serverManager = ((HMaster) this.server).getServerManager();
    List<HRegionInfo> regions = new ArrayList<HRegionInfo>();
    RegionStates regionStates = this.assignmentManager.getRegionStates();
    for (Pair<HRegionInfo, ServerName> regionLocation : regionsInMeta) {
      HRegionInfo hri = regionLocation.getFirst();
      ServerName sn = regionLocation.getSecond();
      if (regionStates.isRegionOffline(hri)) {
        if (this.retainAssignment && sn != null && serverManager.isServerOnline(sn)) {
          this.assignmentManager.addPlan(hri.getEncodedName(), new RegionPlan(hri, null, sn));
        }
        regions.add(hri);
      } else {
        if (LOG.isDebugEnabled()) {
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    globalFavoredNodesAssignmentPlan = snaphotOfRegionAssignment.getExistingAssignmentPlan();
    Map<ServerName, ServerName> serverNameToServerNameWithoutCode =
        new HashMap<ServerName, ServerName>();
    Map<ServerName, ServerName> serverNameWithoutCodeToServerName =
        new HashMap<ServerName, ServerName>();
    ServerManager serverMgr = super.services.getServerManager();
    for (ServerName sn: serverMgr.getOnlineServersList()) {
      ServerName s = new ServerName(sn.getHostname(), sn.getPort(), ServerName.NON_STARTCODE);
      serverNameToServerNameWithoutCode.put(sn, s);
      serverNameWithoutCodeToServerName.put(s, sn);
    }
    for (Map.Entry<ServerName, List<HRegionInfo>> entry : clusterState.entrySet()) {
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  public void testAssignmentManagerDoesntUseDrainingServer() throws Exception {
    AssignmentManager am;
    Configuration conf = TEST_UTIL.getConfiguration();
    final HMaster master = Mockito.mock(HMaster.class);
    final Server server = Mockito.mock(Server.class);
    final ServerManager serverManager = Mockito.mock(ServerManager.class);
    final ServerName SERVERNAME_A = new ServerName("mockserver_a.org", 1000, 8000);
    final ServerName SERVERNAME_B = new ServerName("mockserver_b.org", 1001, 8000);
    LoadBalancer balancer = LoadBalancerFactory.getLoadBalancer(conf);
    CatalogTracker catalogTracker = Mockito.mock(CatalogTracker.class);
    final HRegionInfo REGIONINFO = new HRegionInfo(TableName.valueOf("table_test"),
        HConstants.EMPTY_START_ROW, HConstants.EMPTY_START_ROW);

    ZooKeeperWatcher zkWatcher = new ZooKeeperWatcher(TEST_UTIL.getConfiguration(),
      "zkWatcher-Test", abortable, true);

    Map<ServerName, ServerLoad> onlineServers = new HashMap<ServerName, ServerLoad>();

    onlineServers.put(SERVERNAME_A, ServerLoad.EMPTY_SERVERLOAD);
    onlineServers.put(SERVERNAME_B, ServerLoad.EMPTY_SERVERLOAD);

    Mockito.when(server.getConfiguration()).thenReturn(conf);
    Mockito.when(server.getServerName()).thenReturn(new ServerName("masterMock,1,1"));
    Mockito.when(server.getZooKeeper()).thenReturn(zkWatcher);

    Mockito.when(serverManager.getOnlineServers()).thenReturn(onlineServers);
    Mockito.when(serverManager.getOnlineServersList())
    .thenReturn(new ArrayList<ServerName>(onlineServers.keySet()));
   
    Mockito.when(serverManager.createDestinationServersList())
        .thenReturn(new ArrayList<ServerName>(onlineServers.keySet()));
    Mockito.when(serverManager.createDestinationServersList(null))
        .thenReturn(new ArrayList<ServerName>(onlineServers.keySet()));
   
    for (ServerName sn : onlineServers.keySet()) {
      Mockito.when(serverManager.isServerOnline(sn)).thenReturn(true);
      Mockito.when(serverManager.sendRegionClose(sn, REGIONINFO, -1)).thenReturn(true);
      Mockito.when(serverManager.sendRegionClose(sn, REGIONINFO, -1, null, false)).thenReturn(true);
      Mockito.when(serverManager.sendRegionOpen(sn, REGIONINFO, -1, new ArrayList<ServerName>()))
      .thenReturn(RegionOpeningState.OPENED);
      Mockito.when(serverManager.sendRegionOpen(sn, REGIONINFO, -1, null))
      .thenReturn(RegionOpeningState.OPENED);
      Mockito.when(serverManager.addServerToDrainList(sn)).thenReturn(true);
    }

    Mockito.when(master.getServerManager()).thenReturn(serverManager);

    am = new AssignmentManager(server, serverManager, catalogTracker,
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    LoadBalancer balancer = LoadBalancerFactory.getLoadBalancer(conf);
    CatalogTracker catalogTracker = Mockito.mock(CatalogTracker.class);
    AssignmentManager am;
    final HMaster master = Mockito.mock(HMaster.class);
    final Server server = Mockito.mock(Server.class);
    final ServerManager serverManager = Mockito.mock(ServerManager.class);
    final ServerName SERVERNAME_A = new ServerName("mockserverbulk_a.org", 1000, 8000);
    final ServerName SERVERNAME_B = new ServerName("mockserverbulk_b.org", 1001, 8000);
    final ServerName SERVERNAME_C = new ServerName("mockserverbulk_c.org", 1002, 8000);
    final ServerName SERVERNAME_D = new ServerName("mockserverbulk_d.org", 1003, 8000);
    final ServerName SERVERNAME_E = new ServerName("mockserverbulk_e.org", 1004, 8000);
    final Map<HRegionInfo, ServerName> bulk = new HashMap<HRegionInfo, ServerName>();

    Set<ServerName> bunchServersAssigned = new HashSet<ServerName>();
   
    HRegionInfo REGIONINFO_A = new HRegionInfo(TableName.valueOf("table_A"),
        HConstants.EMPTY_START_ROW, HConstants.EMPTY_START_ROW);
    HRegionInfo REGIONINFO_B = new HRegionInfo(TableName.valueOf("table_B"),
      HConstants.EMPTY_START_ROW, HConstants.EMPTY_START_ROW);
    HRegionInfo REGIONINFO_C = new HRegionInfo(TableName.valueOf("table_C"),
      HConstants.EMPTY_START_ROW, HConstants.EMPTY_START_ROW);
    HRegionInfo REGIONINFO_D = new HRegionInfo(TableName.valueOf("table_D"),
      HConstants.EMPTY_START_ROW, HConstants.EMPTY_START_ROW);
    HRegionInfo REGIONINFO_E = new HRegionInfo(TableName.valueOf("table_E"),
      HConstants.EMPTY_START_ROW, HConstants.EMPTY_START_ROW);

    Map<ServerName, ServerLoad> onlineServers = new HashMap<ServerName, ServerLoad>();
    List<ServerName> drainedServers = new ArrayList<ServerName>();

    onlineServers.put(SERVERNAME_A, ServerLoad.EMPTY_SERVERLOAD);
    onlineServers.put(SERVERNAME_B, ServerLoad.EMPTY_SERVERLOAD);
    onlineServers.put(SERVERNAME_C, ServerLoad.EMPTY_SERVERLOAD);
    onlineServers.put(SERVERNAME_D, ServerLoad.EMPTY_SERVERLOAD);
    onlineServers.put(SERVERNAME_E, ServerLoad.EMPTY_SERVERLOAD);

    bulk.put(REGIONINFO_A, SERVERNAME_A);
    bulk.put(REGIONINFO_B, SERVERNAME_B);
    bulk.put(REGIONINFO_C, SERVERNAME_C);
    bulk.put(REGIONINFO_D, SERVERNAME_D);
    bulk.put(REGIONINFO_E, SERVERNAME_E);

    ZooKeeperWatcher zkWatcher = new ZooKeeperWatcher(TEST_UTIL.getConfiguration(),
        "zkWatcher-BulkAssignTest", abortable, true);

    Mockito.when(server.getConfiguration()).thenReturn(conf);
    Mockito.when(server.getServerName()).thenReturn(new ServerName("masterMock,1,1"));
    Mockito.when(server.getZooKeeper()).thenReturn(zkWatcher);

    Mockito.when(serverManager.getOnlineServers()).thenReturn(onlineServers);
    Mockito.when(serverManager.getOnlineServersList()).thenReturn(
      new ArrayList<ServerName>(onlineServers.keySet()));
   
    Mockito.when(serverManager.createDestinationServersList()).thenReturn(
      new ArrayList<ServerName>(onlineServers.keySet()));
    Mockito.when(serverManager.createDestinationServersList(null)).thenReturn(
      new ArrayList<ServerName>(onlineServers.keySet()));
   
    for (Entry<HRegionInfo, ServerName> entry : bulk.entrySet()) {
      Mockito.when(serverManager.isServerOnline(entry.getValue())).thenReturn(true);
      Mockito.when(serverManager.sendRegionClose(entry.getValue(),
        entry.getKey(), -1)).thenReturn(true);
      Mockito.when(serverManager.sendRegionOpen(entry.getValue(),
        entry.getKey(), -1, null)).thenReturn(RegionOpeningState.OPENED); 
      Mockito.when(serverManager.addServerToDrainList(entry.getValue())).thenReturn(true);
    }
   
    Mockito.when(master.getServerManager()).thenReturn(serverManager);

    drainedServers.add(SERVERNAME_A);
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    List<JVMClusterUtil.MasterThread> mts;
    long start = System.currentTimeMillis();
    while (!(mts = getMasterThreads()).isEmpty()
        && (System.currentTimeMillis() - start) < timeout) {
      for (JVMClusterUtil.MasterThread mt : mts) {
        ServerManager serverManager = mt.getMaster().getServerManager();
        if (mt.getMaster().isActiveMaster() && mt.getMaster().isInitialized()
            && !serverManager.areDeadServersInProgress()) {
          return true;
        }
      }

      Threads.sleep(100);
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      assertTrue(hbaseAdmin.isTableAvailable(TABLENAME));
    }


    /* NO.3 data region correctness */
    ServerManager serverManager = cluster.getMaster().getServerManager();
    while (serverManager.areDeadServersInProgress()) {
      Thread.sleep(100);
    }
    // Create a ZKW to use in the test
    ZooKeeperWatcher zkw = HBaseTestingUtility.getZooKeeperWatcher(TESTUTIL);
    ZKAssign.blockUntilNoRIT(zkw);
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   * @return List of regions neither in transition nor assigned.
   * @throws IOException
   */
  private List<HRegionInfo> regionsToAssignWithServerName(
      final List<Pair<HRegionInfo, ServerName>> regionsInMeta) throws IOException {
    ServerManager serverManager = ((HMaster) this.server).getServerManager();
    List<HRegionInfo> regions = new ArrayList<HRegionInfo>();
    List<HRegionInfo> enablingTableRegions = this.assignmentManager
        .getEnablingTableRegions(this.tableNameStr);
    final List<HRegionInfo> onlineRegions = this.assignmentManager.getRegionsOfTable(tableName);
    for (Pair<HRegionInfo, ServerName> regionLocation : regionsInMeta) {
      HRegionInfo hri = regionLocation.getFirst();
      ServerName sn = regionLocation.getSecond();
      if (this.skipTableStateCheck) {
        // Region may be available in enablingTableRegions during master startup only.
        if (enablingTableRegions != null && enablingTableRegions.contains(hri)) {
          regions.add(hri);
          if (sn != null && serverManager.isServerOnline(sn)) {
            this.assignmentManager.addPlan(hri.getEncodedName(), new RegionPlan(hri, null, sn));
          }
        }
      } else if (onlineRegions.contains(hri)) {
        continue;
      } else {
        regions.add(hri);
        if (sn != null && serverManager.isServerOnline(sn)) {
          this.assignmentManager.addPlan(hri.getEncodedName(), new RegionPlan(hri, null, sn));
        }
      }
    }
    return regions;
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      // Third check whether data is correct in meta region
      assertTrue(hbaseAdmin.isTableAvailable(TABLENAME));
    }

    /* NO.3 data region correctness */
    ServerManager serverManager = cluster.getMaster().getServerManager();
    while (serverManager.areDeadServersInProgress()) {
      Thread.sleep(100);
    }
    // Create a ZKW to use in the test
    ZooKeeperWatcher zkw = HBaseTestingUtility.getZooKeeperWatcher(TESTUTIL);
    ZKAssign.blockUntilNoRIT(zkw);
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   * @return List of regions neither in transition nor assigned.
   * @throws IOException
   */
  private List<HRegionInfo> regionsToAssignWithServerName(
      final List<Pair<HRegionInfo, ServerName>> regionsInMeta) throws IOException {
    ServerManager serverManager = ((HMaster) this.server).getServerManager();
    List<HRegionInfo> regions = new ArrayList<HRegionInfo>();
    List<HRegionInfo> enablingTableRegions = this.assignmentManager
        .getEnablingTableRegions(this.tableNameStr);
    final List<HRegionInfo> onlineRegions = this.assignmentManager.getRegionsOfTable(tableName);
    for (Pair<HRegionInfo, ServerName> regionLocation : regionsInMeta) {
      HRegionInfo hri = regionLocation.getFirst();
      ServerName sn = regionLocation.getSecond();
      if (this.retainAssignment) {
        // Region may be available in enablingTableRegions during master startup only.
        if (enablingTableRegions != null && enablingTableRegions.contains(hri)) {
          regions.add(hri);
          if (sn != null && serverManager.isServerOnline(sn)) {
            this.assignmentManager.addPlan(hri.getEncodedName(), new RegionPlan(hri, null, sn));
          }
        }
      } else if (onlineRegions.contains(hri)) {
        continue;
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   * @return List of regions neither in transition nor assigned.
   * @throws IOException
   */
  private List<HRegionInfo> regionsToAssignWithServerName(
      final List<Pair<HRegionInfo, ServerName>> regionsInMeta) throws IOException {
    ServerManager serverManager = ((HMaster) this.server).getServerManager();
    List<HRegionInfo> regions = new ArrayList<HRegionInfo>();
    RegionStates regionStates = this.assignmentManager.getRegionStates();
    for (Pair<HRegionInfo, ServerName> regionLocation : regionsInMeta) {
      HRegionInfo hri = regionLocation.getFirst();
      ServerName sn = regionLocation.getSecond();
      if (regionStates.isRegionOffline(hri)) {
        if (sn != null && serverManager.isServerOnline(sn)) {
          this.assignmentManager.addPlan(hri.getEncodedName(), new RegionPlan(hri, null, sn));
        }
        regions.add(hri);
      } else {
        if (LOG.isDebugEnabled()) {
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Related Classes of org.apache.hadoop.hbase.master.ServerManager$ServerMonitor

  • org.apache.hadoop.conf.Configuration
  • org.apache.hadoop.hbase.catalog.CatalogTracker
  • org.apache.hadoop.hbase.client.AdminProtocol
  • org.apache.hadoop.hbase.client.Get
  • org.apache.hadoop.hbase.client.HConnection
  • org.apache.hadoop.hbase.client.Result
  • org.apache.hadoop.hbase.HBaseConfiguration
  • org.apache.hadoop.hbase.HMsg
  • org.apache.hadoop.hbase.HRegionInfo
  • org.apache.hadoop.hbase.HRegionLocation
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