Package org.apache.hadoop.hbase.master.AssignmentManager

Examples of org.apache.hadoop.hbase.master.AssignmentManager.RegionState

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        assertFalse(ZKUtil.checkExists(regionServer.getZooKeeper(), node) == -1);
        AssignmentManager am = cluster.getMaster().getAssignmentManager();
        while (!am.getRegionsInTransition().containsKey(regions.get(0).getRegionInfo().getEncodedName())) {
          Thread.sleep(200);
        }
        RegionState regionState = am.getRegionsInTransition().get(regions.get(0).getRegionInfo()
            .getEncodedName());
        assertTrue(regionState.getState() == RegionState.State.SPLITTING);
        assertTrue(st.rollback(regionServer, regionServer));
        assertTrue(ZKUtil.checkExists(regionServer.getZooKeeper(), node) == -1);
        while (am.getRegionsInTransition().containsKey(regions.get(0).getRegionInfo().getEncodedName())) {
          // Just in case the nodeDeleted event did not get executed.
          Thread.sleep(200);
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    // Fake AssignmentManager and RIT
    AssignmentManager am = Mockito.mock(AssignmentManager.class);
    NavigableMap<String, RegionState> regionsInTransition =
      Maps.newTreeMap();
    regionsInTransition.put("r1",
        new RegionState(FAKE_HRI, RegionState.State.CLOSING, 12345L, FAKE_HOST));
    Mockito.doReturn(regionsInTransition).when(am).getRegionsInTransition();
    Mockito.doReturn(am).when(master).getAssignmentManager();
   
    // Fake ZKW
    ZooKeeperWatcher zkw = Mockito.mock(ZooKeeperWatcher.class);
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      Maps.newTreeMap();
    for (byte i = 0; i < 100; i++) {
      HRegionInfo hri = new HRegionInfo(FAKE_TABLE.getName(),
          new byte[]{i}, new byte[]{(byte) (i+1)});
      regionsInTransition.put(hri.getEncodedName(),
          new RegionState(hri, RegionState.State.CLOSING, 12345L, FAKE_HOST));
    }
    // Add META in transition as well
    regionsInTransition.put(
        HRegionInfo.FIRST_META_REGIONINFO.getEncodedName(),
        new RegionState(HRegionInfo.FIRST_META_REGIONINFO,
                        RegionState.State.CLOSING, 12345L, FAKE_HOST));
    Mockito.doReturn(regionsInTransition).when(am).getRegionsInTransition();

    // Render to a string
    StringWriter sw = new StringWriter();
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          Bytes.toBytes(testIndex), Bytes.toBytes(testIndex + 1));
      region = HRegion.createHRegion(hri, TEST_UTIL.getDataTestDir(), TEST_UTIL.getConfiguration(), htd);
      assertNotNull(region);
      AssignmentManager am = Mockito.mock(AssignmentManager.class);
      when(am.isRegionInTransition(hri)).thenReturn(
          new RegionState(region.getRegionInfo(), RegionState.State.OPEN,
              System.currentTimeMillis(), server.getServerName()));
      // create a node with OPENED state
      zkw = HBaseTestingUtility.createAndForceNodeToOpenedState(TEST_UTIL,
          region, server.getServerName());
      when(am.getZKTable()).thenReturn(new ZKTable(zkw));
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    }
    count = in.readInt();
    this.intransition = new TreeMap<String, RegionState>();
    for (int i = 0; i < count; i++) {
      String key = in.readUTF();
      RegionState regionState = new RegionState();
      regionState.readFields(in);
      this.intransition.put(key, regionState);
    }
    this.clusterId = in.readUTF();
    int masterCoprocessorsLength = in.readInt();
    masterCoprocessors = new String[masterCoprocessorsLength];
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    // Create an AM.
    AssignmentManagerWithExtrasForTesting am = setUpMockedAssignmentManager(this.server, this.serverManager);
    // adding region to regions and servers maps.
    am.regionOnline(REGIONINFO, SERVERNAME_A);
    // adding region in pending close.
    am.regionsInTransition.put(REGIONINFO.getEncodedName(), new RegionState(REGIONINFO,
        State.SPLITTING, System.currentTimeMillis(), SERVERNAME_A));
    am.getZKTable().setEnabledTable(REGIONINFO.getTableNameAsString());
   
    RegionTransitionData data = new RegionTransitionData(EventType.RS_ZK_REGION_SPLITTING,
        REGIONINFO.getRegionName(), SERVERNAME_A);
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    AssignmentManager am = new AssignmentManager(this.server, this.serverManager, ct, balancer,
        executor);
    // adding region to regions and servers maps.
    am.regionOnline(REGIONINFO, SERVERNAME_A);
    // adding region in pending close.
    am.regionsInTransition.put(REGIONINFO.getEncodedName(), new RegionState(REGIONINFO,
        State.PENDING_CLOSE));

    if (state == TableState.DISABLING) {
      am.getZKTable().setDisablingTable(REGIONINFO.getTableNameAsString());
    } else {
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    ZKAssign.createNodeOffline(this.watcher, REGIONINFO, SERVERNAME_A);
    int v = ZKAssign.getVersion(this.watcher, REGIONINFO);
    ZKAssign.transitionNode(this.watcher, REGIONINFO, SERVERNAME_A, EventType.M_ZK_REGION_OFFLINE,
        EventType.RS_ZK_REGION_FAILED_OPEN, v);
    String path = ZKAssign.getNodeName(this.watcher, REGIONINFO.getEncodedName());
    RegionState state = new RegionState(REGIONINFO, State.OPENING, System.currentTimeMillis(),
        SERVERNAME_A);
    am.regionsInTransition.put(REGIONINFO.getEncodedName(), state);
    // a dummy plan inserted into the regionPlans. This plan is cleared and new one is formed
    am.regionPlans.put(REGIONINFO.getEncodedName(), new RegionPlan(REGIONINFO, null, SERVERNAME_A));
    RegionPlan regionPlan = am.regionPlans.get(REGIONINFO.getEncodedName());
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    // PENDING_OPEN and enabled
    region = enabledRegions.remove(0);
    regionsThatShouldBeOnline.add(region);
    master.assignmentManager.regionsInTransition.put(region.getEncodedName(),
        new RegionState(region, RegionState.State.PENDING_OPEN, 0, null));
    ZKAssign.createNodeOffline(zkw, region, master.getServerName());
    // PENDING_OPEN and disabled
    region = disabledRegions.remove(0);
    regionsThatShouldBeOffline.add(region);
    master.assignmentManager.regionsInTransition.put(region.getEncodedName(),
        new RegionState(region, RegionState.State.PENDING_OPEN, 0, null));
    ZKAssign.createNodeOffline(zkw, region, master.getServerName());
    // This test is bad.  It puts up a PENDING_CLOSE but doesn't say what
    // server we were PENDING_CLOSE against -- i.e. an entry in
    // AssignmentManager#regions.  W/o a server, we NPE trying to resend close.
    // In past, there was wonky logic that had us reassign region if no server
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    }
    count = in.readInt();
    this.intransition = new TreeMap<String, RegionState>();
    for (int i = 0; i < count; i++) {
      String key = in.readUTF();
      RegionState regionState = new RegionState();
      regionState.readFields(in);
      this.intransition.put(key, regionState);
    }
  }
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  • org.apache.hadoop.hbase.master.AssignmentManager$ExistsUnassignedAsyncCallback
  • org.apache.hadoop.hbase.master.handler.OpenedRegionHandler
  • org.apache.hadoop.hbase.master.handler.ServerShutdownHandler
  • org.apache.hadoop.hbase.master.MasterDumpServlet
  • org.apache.hadoop.hbase.master.Mocking
  • org.apache.hadoop.hbase.master.TestAssignmentManager
  • org.apache.hadoop.hbase.master.TestMasterFailover
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