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- 在 Spring Boot 上配置 Tomcat 连接池
- 将Camel消息路由到嵌入WildFly的Artemis上
本文整理了Java中org.apache.helix.manager.zk.ZKHelixDataAccessor.keyBuilder()
方法的一些代码示例,展示了ZKHelixDataAccessor.keyBuilder()
的具体用法。这些代码示例主要来源于Github
/Stackoverflow
/Maven
等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。ZKHelixDataAccessor.keyBuilder()
方法的具体详情如下:
包路径:org.apache.helix.manager.zk.ZKHelixDataAccessor
类名称:ZKHelixDataAccessor
方法名:keyBuilder
暂无
代码示例来源:origin: apache/incubator-pinot
ZkBaseDataAccessor<ZNRecord> baseDataAccessor = new ZkBaseDataAccessor<>(zkClient);
ZKHelixDataAccessor zkHelixDataAccessor = new ZKHelixDataAccessor(_clusterName, baseDataAccessor);
PropertyKey property = zkHelixDataAccessor.keyBuilder().liveInstances();
List<String> liveInstances = zkHelixDataAccessor.getChildNames(property);
PropertyKey controllerLeaderKey = zkHelixDataAccessor.keyBuilder().controllerLeader();
LiveInstance controllerLeaderLiveInstance = zkHelixDataAccessor.getProperty(controllerLeaderKey);
ControllerInfo controllerInfo = new ControllerInfo();
代码示例来源:origin: org.apache.helix/helix-core
@Override
public void addClusterToGrandCluster(String clusterName, String grandCluster) {
logger.info("Add cluster {} to grand cluster {}.", clusterName, grandCluster);
if (!ZKUtil.isClusterSetup(grandCluster, _zkClient)) {
throw new HelixException("Grand cluster " + grandCluster + " is not setup yet");
}
if (!ZKUtil.isClusterSetup(clusterName, _zkClient)) {
throw new HelixException("Cluster " + clusterName + " is not setup yet");
}
IdealState idealState = new IdealState(clusterName);
idealState.setNumPartitions(1);
idealState.setStateModelDefRef("LeaderStandby");
List<String> controllers = getInstancesInCluster(grandCluster);
if (controllers.size() == 0) {
throw new HelixException("Grand cluster " + grandCluster + " has no instances");
}
idealState.setReplicas(Integer.toString(controllers.size()));
Collections.shuffle(controllers);
idealState.getRecord().setListField(clusterName, controllers);
idealState.setPartitionState(clusterName, controllers.get(0), "LEADER");
for (int i = 1; i < controllers.size(); i++) {
idealState.setPartitionState(clusterName, controllers.get(i), "STANDBY");
}
ZKHelixDataAccessor accessor =
new ZKHelixDataAccessor(grandCluster, new ZkBaseDataAccessor<ZNRecord>(_zkClient));
Builder keyBuilder = accessor.keyBuilder();
accessor.setProperty(keyBuilder.idealStates(idealState.getResourceName()), idealState);
}
代码示例来源:origin: apache/helix
@Override
public void addClusterToGrandCluster(String clusterName, String grandCluster) {
logger.info("Add cluster {} to grand cluster {}.", clusterName, grandCluster);
if (!ZKUtil.isClusterSetup(grandCluster, _zkClient)) {
throw new HelixException("Grand cluster " + grandCluster + " is not setup yet");
}
if (!ZKUtil.isClusterSetup(clusterName, _zkClient)) {
throw new HelixException("Cluster " + clusterName + " is not setup yet");
}
IdealState idealState = new IdealState(clusterName);
idealState.setNumPartitions(1);
idealState.setStateModelDefRef("LeaderStandby");
List<String> controllers = getInstancesInCluster(grandCluster);
if (controllers.size() == 0) {
throw new HelixException("Grand cluster " + grandCluster + " has no instances");
}
idealState.setReplicas(Integer.toString(controllers.size()));
Collections.shuffle(controllers);
idealState.getRecord().setListField(clusterName, controllers);
idealState.setPartitionState(clusterName, controllers.get(0), "LEADER");
for (int i = 1; i < controllers.size(); i++) {
idealState.setPartitionState(clusterName, controllers.get(i), "STANDBY");
}
ZKHelixDataAccessor accessor =
new ZKHelixDataAccessor(grandCluster, new ZkBaseDataAccessor<ZNRecord>(_zkClient));
Builder keyBuilder = accessor.keyBuilder();
accessor.setProperty(keyBuilder.idealStates(idealState.getResourceName()), idealState);
}
代码示例来源:origin: apache/helix
public static String getInstanceSessionId(ZkClient zkClient, String clusterName,
String instanceName) {
ZKHelixDataAccessor accessor =
new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(zkClient));
Builder keyBuilder = accessor.keyBuilder();
ZNRecord liveInstance = accessor.getProperty(keyBuilder.liveInstance(instanceName)).getRecord();
return liveInstance.getSimpleField(LiveInstanceProperty.SESSION_ID.toString());
}
代码示例来源:origin: apache/helix
private void cleanupRebalanceError() {
ZKHelixDataAccessor accessor = new ZKHelixDataAccessor(CLUSTER_NAME, _baseAccessor);
PropertyKey errorNodeKey =
accessor.keyBuilder().controllerTaskError(RebalanceResourceFailure.name());
accessor.removeProperty(errorNodeKey);
}
代码示例来源:origin: apache/helix
private void setupCluster(String clusterName, ZKHelixDataAccessor accessor) throws Exception {
TestHelper.setupCluster(clusterName, ZK_ADDR, 12918, // participant start port
"localhost", // participant name prefix
resourceNamePrefix, // resource name prefix
1, // resources
15, // partitions per resource
participantCount, // number of nodes
3, // replicas
"MasterSlave", IdealState.RebalanceMode.FULL_AUTO, true); // do rebalance
PropertyKey.Builder keyBuilder = accessor.keyBuilder();
ClusterConfig clusterConfig = accessor.getProperty(accessor.keyBuilder().clusterConfig());
clusterConfig.setResourcePriorityField("Name");
List<StateTransitionThrottleConfig> throttleConfigs = new ArrayList<>();
throttleConfigs.add(
new StateTransitionThrottleConfig(StateTransitionThrottleConfig.RebalanceType.LOAD_BALANCE,
StateTransitionThrottleConfig.ThrottleScope.CLUSTER, 100));
throttleConfigs.add(new StateTransitionThrottleConfig(
StateTransitionThrottleConfig.RebalanceType.RECOVERY_BALANCE,
StateTransitionThrottleConfig.ThrottleScope.CLUSTER, 100));
clusterConfig.setStateTransitionThrottleConfigs(throttleConfigs);
accessor.setProperty(keyBuilder.clusterConfig(), clusterConfig);
}
代码示例来源:origin: apache/helix
public void dropInstanceFromCluster(String clusterName, String instanceId) {
ZKHelixDataAccessor accessor =
new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_zkClient));
Builder keyBuilder = accessor.keyBuilder();
InstanceConfig instanceConfig = InstanceConfig.toInstanceConfig(instanceId);
instanceId = instanceConfig.getInstanceName();
// ensure node is not live
LiveInstance liveInstance = accessor.getProperty(keyBuilder.liveInstance(instanceId));
if (liveInstance != null) {
throw new HelixException(String
.format("Cannot drop instance %s as it is still live. Please stop it first", instanceId));
}
InstanceConfig config = accessor.getProperty(keyBuilder.instanceConfig(instanceId));
if (config == null) {
String error = "Node " + instanceId + " does not exist, cannot drop";
_logger.warn(error);
throw new HelixException(error);
}
ClusterConfig clusterConfig = accessor.getProperty(keyBuilder.clusterConfig());
// ensure node is disabled, otherwise fail
if (config.getInstanceEnabled() && (clusterConfig.getDisabledInstances() == null
|| !clusterConfig.getDisabledInstances().containsKey(instanceId))) {
String error = "Node " + instanceId + " is enabled, cannot drop";
_logger.warn(error);
throw new HelixException(error);
}
_admin.dropInstance(clusterName, config);
}
代码示例来源:origin: org.apache.helix/helix-core
@Override
public void removeInstanceTag(String clusterName, String instanceName, String tag) {
logger.info("Remove instance tag {} for instance {} in cluster {}.", tag, instanceName,
clusterName);
if (!ZKUtil.isClusterSetup(clusterName, _zkClient)) {
throw new HelixException("cluster " + clusterName + " is not setup yet");
}
if (!ZKUtil.isInstanceSetup(_zkClient, clusterName, instanceName, InstanceType.PARTICIPANT)) {
throw new HelixException(
"cluster " + clusterName + " instance " + instanceName + " is not setup yet");
}
ZKHelixDataAccessor accessor =
new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_zkClient));
Builder keyBuilder = accessor.keyBuilder();
InstanceConfig config = accessor.getProperty(keyBuilder.instanceConfig(instanceName));
config.removeTag(tag);
accessor.setProperty(keyBuilder.instanceConfig(instanceName), config);
}
代码示例来源:origin: apache/helix
@Override
public void removeInstanceTag(String clusterName, String instanceName, String tag) {
logger.info("Remove instance tag {} for instance {} in cluster {}.", tag, instanceName,
clusterName);
if (!ZKUtil.isClusterSetup(clusterName, _zkClient)) {
throw new HelixException("cluster " + clusterName + " is not setup yet");
}
if (!ZKUtil.isInstanceSetup(_zkClient, clusterName, instanceName, InstanceType.PARTICIPANT)) {
throw new HelixException(
"cluster " + clusterName + " instance " + instanceName + " is not setup yet");
}
ZKHelixDataAccessor accessor =
new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_zkClient));
Builder keyBuilder = accessor.keyBuilder();
InstanceConfig config = accessor.getProperty(keyBuilder.instanceConfig(instanceName));
config.removeTag(tag);
accessor.setProperty(keyBuilder.instanceConfig(instanceName), config);
}
代码示例来源:origin: apache/helix
@Test()
public void testRenamePartitionAutoIS() throws Exception {
String clusterName = "CLUSTER_" + getShortClassName() + "_auto";
System.out.println("START " + clusterName + " at " + new Date(System.currentTimeMillis()));
TestHelper.setupCluster(clusterName, ZK_ADDR, 12918, // participant start port
"localhost", // participant name prefix
"TestDB", // resource name prefix
1, // resources
10, // partitions per resource
5, // number of nodes
3, // replicas
"MasterSlave", true); // do rebalance
startAndVerify(clusterName);
// rename partition name TestDB0_0 tp TestDB0_100
ZKHelixDataAccessor accessor =
new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));
Builder keyBuilder = accessor.keyBuilder();
IdealState idealState = accessor.getProperty(keyBuilder.idealStates("TestDB0"));
List<String> prioList = idealState.getRecord().getListFields().remove("TestDB0_0");
idealState.getRecord().getListFields().put("TestDB0_100", prioList);
accessor.setProperty(keyBuilder.idealStates("TestDB0"), idealState);
boolean result =
ClusterStateVerifier.verifyByPolling(new ClusterStateVerifier.BestPossAndExtViewZkVerifier(
ZK_ADDR, clusterName));
Assert.assertTrue(result);
stop(clusterName);
System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis()));
}
代码示例来源:origin: apache/helix
protected String getCurrentLeader(HelixZkClient zkClient, String clusterName) {
ZKHelixDataAccessor accessor =
new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(zkClient));
Builder keyBuilder = accessor.keyBuilder();
LiveInstance leader = accessor.getProperty(keyBuilder.controllerLeader());
if (leader == null) {
return null;
}
return leader.getInstanceName();
}
代码示例来源:origin: apache/helix
private void setupCluster(String clusterName, List<String> instanceNames, String dbName,
int replica, int partitions, int bucketSize) {
_gSetupTool.addCluster(clusterName, true);
_gSetupTool.addInstancesToCluster(clusterName,
instanceNames.toArray(new String[instanceNames.size()]));
// add a bucketized resource
ZKHelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, _baseAccessor);
PropertyKey.Builder keyBuilder = accessor.keyBuilder();
ZNRecord idealStateRec =
DefaultIdealStateCalculator.calculateIdealState(instanceNames, partitions, replica - 1,
dbName,
"MASTER", "SLAVE");
IdealState idealState = new IdealState(idealStateRec);
idealState.setBucketSize(bucketSize);
idealState.setStateModelDefRef("MasterSlave");
idealState.setRebalanceMode(IdealState.RebalanceMode.CUSTOMIZED);
idealState.setReplicas(Integer.toString(replica));
accessor.setProperty(keyBuilder.idealStates(dbName), idealState);
}
代码示例来源:origin: apache/helix
public void verifyReplication(HelixZkClient zkClient, String clusterName, String resource, int repl) {
ZKHelixDataAccessor accessor =
new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(zkClient));
Builder keyBuilder = accessor.keyBuilder();
IdealState idealState = accessor.getProperty(keyBuilder.idealStates(resource));
for (String partitionName : idealState.getPartitionSet()) {
if (idealState.getRebalanceMode() == IdealState.RebalanceMode.SEMI_AUTO) {
AssertJUnit.assertEquals(repl, idealState.getPreferenceList(partitionName).size());
} else if (idealState.getRebalanceMode() == IdealState.RebalanceMode.CUSTOMIZED) {
AssertJUnit.assertEquals(repl, idealState.getInstanceStateMap(partitionName).size());
}
}
}
代码示例来源:origin: apache/helix
public void verifyEnabled(HelixZkClient zkClient, String clusterName, String instance,
boolean wantEnabled) {
ZKHelixDataAccessor accessor =
new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(zkClient));
Builder keyBuilder = accessor.keyBuilder();
InstanceConfig config = accessor.getProperty(keyBuilder.instanceConfig(instance));
AssertJUnit.assertEquals(wantEnabled, config.getInstanceEnabled());
}
代码示例来源:origin: apache/helix
public void createExternalView(List<String> instanceNames, int partitions, int replicas,
String dbName, long randomSeed) {
ZKHelixDataAccessor accessor =
new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor(client));
Builder keyBuilder = accessor.keyBuilder();
ExternalView externalView =
new ExternalView(computeRoutingTable(instanceNames, partitions, replicas, dbName,
randomSeed));
accessor.setProperty(keyBuilder.externalView(dbName), externalView);
}
代码示例来源:origin: apache/helix
private void clearStatusUpdate(String clusterName, String instance, String resource,
String partition) {
// clear status update for error partition so verify() will not fail on old
// errors
ZKHelixDataAccessor accessor =
new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));
Builder keyBuilder = accessor.keyBuilder();
LiveInstance liveInstance = accessor.getProperty(keyBuilder.liveInstance(instance));
accessor.removeProperty(keyBuilder.stateTransitionStatus(instance, liveInstance.getSessionId(),
resource, partition));
}
// TODO: throw exception in reset()
代码示例来源:origin: apache/helix
private void setCurrentState(String clusterName, String instance, String resourceGroupName,
String resourceKey, String sessionId, String state, boolean updateTimestamp) {
ZKHelixDataAccessor accessor =
new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));
Builder keyBuilder = accessor.keyBuilder();
CurrentState curState = new CurrentState(resourceGroupName);
curState.setState(resourceKey, state);
curState.setSessionId(sessionId);
curState.setStateModelDefRef("MasterSlave");
if (updateTimestamp) {
curState.setEndTime(resourceKey, System.currentTimeMillis());
}
accessor.setProperty(keyBuilder.currentState(instance, sessionId, resourceGroupName), curState);
}
代码示例来源:origin: apache/helix
protected void setupLiveInstances(String clusterName, int[] liveInstances) {
ZKHelixDataAccessor accessor =
new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));
Builder keyBuilder = accessor.keyBuilder();
for (int i = 0; i < liveInstances.length; i++) {
String instance = "localhost_" + liveInstances[i];
LiveInstance liveInstance = new LiveInstance(instance);
liveInstance.setSessionId("session_" + liveInstances[i]);
liveInstance.setHelixVersion("0.0.0");
accessor.setProperty(keyBuilder.liveInstance(instance), liveInstance);
}
}
代码示例来源:origin: apache/helix
public static boolean verifyEmptyCurStateAndExtView(String clusterName, String resourceName,
Set<String> instanceNames, String zkAddr) {
HelixZkClient zkClient = SharedZkClientFactory.getInstance()
.buildZkClient(new HelixZkClient.ZkConnectionConfig(zkAddr));
zkClient.setZkSerializer(new ZNRecordSerializer());
try {
ZKHelixDataAccessor accessor =
new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(zkClient));
Builder keyBuilder = accessor.keyBuilder();
for (String instanceName : instanceNames) {
List<String> sessionIds = accessor.getChildNames(keyBuilder.sessions(instanceName));
for (String sessionId : sessionIds) {
CurrentState curState =
accessor.getProperty(keyBuilder.currentState(instanceName, sessionId, resourceName));
if (curState != null && curState.getRecord().getMapFields().size() != 0) {
return false;
}
}
ExternalView extView = accessor.getProperty(keyBuilder.externalView(resourceName));
if (extView != null && extView.getRecord().getMapFields().size() != 0) {
return false;
}
}
return true;
} finally {
zkClient.close();
}
}
代码示例来源:origin: apache/helix
protected void setupStateModel(String clusterName) {
ZKHelixDataAccessor accessor =
new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));
Builder keyBuilder = accessor.keyBuilder();
StateModelDefinition masterSlave =
new StateModelDefinition(StateModelConfigGenerator.generateConfigForMasterSlave());
accessor.setProperty(keyBuilder.stateModelDef(masterSlave.getId()), masterSlave);
StateModelDefinition leaderStandby =
new StateModelDefinition(StateModelConfigGenerator.generateConfigForLeaderStandby());
accessor.setProperty(keyBuilder.stateModelDef(leaderStandby.getId()), leaderStandby);
StateModelDefinition onlineOffline =
new StateModelDefinition(StateModelConfigGenerator.generateConfigForOnlineOffline());
accessor.setProperty(keyBuilder.stateModelDef(onlineOffline.getId()), onlineOffline);
}
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