Package com.linkedin.helix

Examples of com.linkedin.helix.ZNRecord

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    _record.setSimpleField(Attributes.CREATE_TIMESTAMP.toString(), "" + timestamp);
  }

  public Message(ZNRecord record, String id)
  {
    super(new ZNRecord(record, id));
    setMsgId(id);
  }
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      _instances = new ArrayList<String>();
      for(int i = 0;i<5; i++)
      {
        String instance = "localhost_"+(12918+i);
        _instances.add(instance);
        ZNRecord metaData = new ZNRecord(instance);
        metaData.setSimpleField(LiveInstanceProperty.SESSION_ID.toString(),
            UUID.randomUUID().toString());
        _liveInstances.add(metaData);
      }
      _externalView = IdealStateCalculatorForStorageNode.calculateIdealState(
          _instances, _partitions, _replicas, _db, "MASTER", "SLAVE");
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public class RelayIdealStateGenerator
{
  public static void main(String[] args)
  {
    ZNRecord record = new ZNRecord("SdrRelay");
    record.setSimpleField(IdealStateProperty.NUM_PARTITIONS.toString(), "28");
    for (int i = 22; i < 28; i++)
    {
      String key = "ela4-db-sdr.prod.linkedin.com_1521,sdr1,sdr_people_search_,p"
          + i + ",MASTER";
      Map<String, String> map = new HashMap<String, String>();
      for (int j = 0; j < 4; j++)
      {
        String instanceName = "ela4-rly0" + j + ".prod.linkedin.com_10015";
        map.put(instanceName, "ONLINE");
      }
      record.getMapFields().put(key, map);
    }

    ZNRecordSerializer serializer = new ZNRecordSerializer();
    System.out.println(new String(serializer.serialize(record)));
  }
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  public static void main(String[] args) throws Exception
  {
    setup();
    zkServer.getZkClient().setZkSerializer(new ZNRecordSerializer());
    ZNRecord record = zkServer.getZkClient().readData(
        HelixUtil.getIdealStatePath(clusterName, "TestDB"));

    String externalViewPath = HelixUtil.getExternalViewPath(clusterName, "TestDB");

    MockRouterProcess process = new MockRouterProcess();
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  public void persistAggStats(HelixManager manager)
  {
    Map<String, String> report = _aggStatsProvider.getRecentHealthReport();
    Map<String, Map<String, String>> partitionReport =
        _aggStatsProvider.getRecentPartitionHealthReport();
    ZNRecord record = new ZNRecord(_aggStatsProvider.getReportName());
    if (report != null)
    {
      record.setSimpleFields(report);
    }
    if (partitionReport != null)
    {
      record.setMapFields(partitionReport);
    }

//    DataAccessor accessor = manager.getDataAccessor();
    HelixDataAccessor accessor = manager.getHelixDataAccessor();
//    boolean retVal = accessor.setProperty(PropertyType.PERSISTENTSTATS, record);
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      HelixDataAccessor accessor = manager.getHelixDataAccessor();
      Builder keyBuilder = accessor.keyBuilder();

      HelixProperty property = accessor.getProperty(keyBuilder.alertHistory());
      ZNRecord alertFiredHistory;
      if(property == null)
      {
        alertFiredHistory = new ZNRecord(PropertyType.ALERT_HISTORY.toString());
      }
      else
      {
        alertFiredHistory = property.getRecord();
      }
      while(alertFiredHistory.getMapFields().size() >= ALERT_HISTORY_SIZE)
      {
        // ZNRecord uses TreeMap which is sorted ascending internally
        String firstKey = (String)(alertFiredHistory.getMapFields().keySet().toArray()[0]);
        alertFiredHistory.getMapFields().remove(firstKey);
      }
      alertFiredHistory.setMapField(date, delta);
//      manager.getDataAccessor().setProperty(PropertyType.ALERT_HISTORY, alertFiredHistory);
      accessor.setProperty(keyBuilder.alertHistory(), new AlertHistory(alertFiredHistory));
      _alertBeanCollection.setAlertHistory(alertFiredHistory);
    }
  }
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    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(zkClient));


    ZNRecord record = null;
    LiveInstance leader = accessor.getProperty(keyBuilder.controllerLeader());
    if (leader != null)
    {
      record = leader.getRecord();
    }
    else
    {
      record = new ZNRecord("");
      DateFormat formatter = new SimpleDateFormat("yyyyMMdd-HHmmss.SSSSSS");
      String time = formatter.format(new Date());
      Map<String, String> contentMap = new TreeMap<String, String>();
      contentMap.put("AdditionalInfo", "No leader exists");
      record.setMapField(Level.HELIX_INFO + "-" + time, contentMap);
    }
   
    boolean paused = (accessor.getProperty(keyBuilder.pause()) == null? false : true);
    record.setSimpleField(PropertyType.PAUSE.toString(), "" + paused);

    String retVal = ClusterRepresentationUtil.ZNRecordToJson(record);
    StringRepresentation representation =
        new StringRepresentation(retVal, MediaType.APPLICATION_JSON);
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      {
        _records.get(tmp[0]).setSimpleField(tmp[1], val);
      }
      else
      {
        ZNRecord record = new ZNRecord("");
        record.setSimpleField(tmp[1], val);
        addRecord(tmp[0], record);
      }
    }
    else
    {
      if(_records.size() == 0)
      {
        ZNRecord record = new ZNRecord("");
        record.setSimpleField(key, val);
        addRecord("xxx_random_" + System.currentTimeMillis(), record);
      }
      else
      {
        _records.get(_records.keySet().iterator().next()).setSimpleField(key, val);
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    // create 10 current states
    for (int i = 0; i < 10; i++)
    {
      String path = curStatePath + "/session_0/TestDB" + i;
      boolean success =
          accessor.create(path, new ZNRecord("TestDB" + i), AccessOption.PERSISTENT);
      Assert.assertTrue(success, "Should succeed in create: " + path);
    }

    // verify wtCache
    // TestHelper.printCache(accessor._wtCache);
    ret = TestHelper.verifyZkCache(cachePaths, accessor._wtCache._cache, _gZkClient, false);
    Assert.assertTrue(ret, "wtCache doesn't match data on Zk");

    // update each current state 10 times, single thread
    for (int i = 0; i < 10; i++)
    {
      String path = curStatePath + "/session_0/TestDB" + i;
      for (int j = 0; j < 10; j++)
      {
        ZNRecord newRecord = new ZNRecord("TestDB" + i);
        newRecord.setSimpleField("" + j, "" + j);
        boolean success =
            accessor.update(path, new ZNRecordUpdater(newRecord), AccessOption.PERSISTENT);
        Assert.assertTrue(success, "Should succeed in update: " + path);

      }
    }

    // verify cache
//    TestHelper.printCache(accessor._wtCache._cache);
    ret = TestHelper.verifyZkCache(cachePaths, accessor._wtCache._cache, _gZkClient, false);
    Assert.assertTrue(ret, "wtCache doesn't match data on Zk");

    // set 10 external views
    for (int i = 0; i < 10; i++)
    {
      String path =
          PropertyPathConfig.getPath(PropertyType.EXTERNALVIEW, clusterName, "TestDB" + i);
      boolean success = accessor.set(path, new ZNRecord("TestDB" + i), AccessOption.PERSISTENT);
      Assert.assertTrue(success, "Should succeed in set: " + path);
    }

    // verify wtCache
    // accessor.printWtCache();
    ret = TestHelper.verifyZkCache(cachePaths, accessor._wtCache._cache, _gZkClient, false);
    Assert.assertTrue(ret, "wtCache doesn't match data on Zk");


    // get 10 external views
    for (int i = 0; i < 10; i++)
    {
      String path =
          PropertyPathConfig.getPath(PropertyType.EXTERNALVIEW, clusterName, "TestDB" + i);
      ZNRecord record = accessor.get(path, null, 0);
      Assert.assertEquals(record.getId(), "TestDB" + i);
    }

    // getChildNames
    List<String> childNames = accessor.getChildNames(extViewPath, 0);
    // System.out.println(childNames);
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                                     clusterName,
                                     "localhost_8901",
                                     "session_1",
                                     "TestDB" + i);
      boolean success =
          accessor.create(path, new ZNRecord("TestDB" + i), AccessOption.PERSISTENT);
      Assert.assertTrue(success, "Should succeed in create: " + path);
    }
   
    // create same 10 current states again, should fail
    for (int i = 0; i < 10; i++)
    {
      String path =
          PropertyPathConfig.getPath(PropertyType.CURRENTSTATES,
                                     clusterName,
                                     "localhost_8901",
                                     "session_1",
                                     "TestDB" + i);
      boolean success =
          accessor.create(path, new ZNRecord("TestDB" + i), AccessOption.PERSISTENT);
      Assert.assertFalse(success, "Should fail in create due to NodeExists: " + path);
    }

    System.out.println("END " + clusterName + " at "
        + new Date(System.currentTimeMillis()));
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Related Classes of com.linkedin.helix.ZNRecord

  • com.linkedin.helix.alerts.TestAddAlerts
  • com.linkedin.helix.alerts.TestAddPersistentStats
  • com.linkedin.helix.alerts.TestArrivingParticipantStats
  • com.linkedin.helix.controller.restlet.ZKPropertyTransferServer
  • com.linkedin.helix.controller.stages.BaseStageTest
  • com.linkedin.helix.controller.stages.StatsAggregationStage
  • com.linkedin.helix.controller.stages.TestResourceComputationStage
  • com.linkedin.helix.controller.TestControllerRebalancingTimer
  • com.linkedin.helix.healthcheck.TestAlertActionTriggering
  • com.linkedin.helix.healthcheck.TestAlertFireHistory
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