【Zookeeper从入门到实战】SpringBoot整合完整指南
Zookeeper从入门到实战：SpringBoot整合完整指南一、Zookeeper概述
1.1 什么是Zookeeper
Zookeeper是一个开源的分布式协调服务，由Apache软件基金会维护。它最初是为Hadoop生态系统设计的，但现在已被广泛应用于各种分布式系统中。Zookeeper提供了一种简单而健壮的方式，用于管理分布式环境中的配置信息、命名服务、分布式同步和组服务等。
1.2 Zookeeper的核心特性
[*]顺序一致性：客户端的更新请求将按照它们被发送的顺序进行应用
[*]原子性：更新操作要么成功要么失败，没有中间状态
[*]单一系统映像：无论客户端连接到哪个服务器，都将看到相同的服务视图
[*]可靠性：一旦更新被应用，它将从那时起保持，直到客户端覆盖更新
[*]及时性：系统的客户端视图保证在一定时间范围内是最新的
1.3 Zookeeper的典型应用场景
[*]配置管理：集中式配置管理
[*]分布式锁：实现跨JVM的互斥机制
[*]集群管理：监控集群节点状态
[*]命名服务：类似DNS的服务
[*]分布式队列：简单的队列实现
[*]Leader选举：分布式系统中的主节点选举
二、Zookeeper安装与配置
2.1 单机模式安装
下载Zookeeper
wget https://downloads.apache.org/zookeeper/zookeeper-3.7.0/apache-zookeeper-3.7.0-bin.tar.gz
tar -zxvf apache-zookeeper-3.7.0-bin.tar.gz
cd apache-zookeeper-3.7.0-bin配置Zookeeper
创建配置文件conf/zoo.cfg：
# 基本时间单位(毫秒)
tickTime=2000
# 数据目录
dataDir=/tmp/zookeeper
# 客户端连接端口
clientPort=2181
# 初始化连接时能容忍的最长心跳间隔(tickTime的倍数)
initLimit=10
# 发送请求和接收响应能容忍的最长心跳间隔
syncLimit=5启动Zookeeper
bin/zkServer.sh start验证安装
bin/zkCli.sh -server 127.0.0.1:21812.2 集群模式安装
对于生产环境，建议至少部署3个节点的Zookeeper集群。修改每个节点的zoo.cfg：
tickTime=2000
dataDir=/var/lib/zookeeper
clientPort=2181
initLimit=10
syncLimit=5
# 集群配置 server.id=host:port1:port2
server.1=node1:2888:3888
server.2=node2:2888:3888
server.3=node3:2888:3888在每个节点的dataDir目录下创建myid文件，内容为对应的server.id中的id：
# 在node1上
echo 1 > /var/lib/zookeeper/myid
# 在node2上
echo 2 > /var/lib/zookeeper/myid
# 在node3上
echo 3 > /var/lib/zookeeper/myid三、Zookeeper基础操作
3.1 基本命令操作
通过zkCli.sh连接后可以执行以下命令：
# 查看根节点
ls /
# 创建持久节点
create /myapp "myapp data"
# 创建临时节点(会话结束自动删除)
create -e /myapp/tempnode "temp data"
# 创建顺序节点
create -s /myapp/seqnode "seq data"
# 获取节点数据
get /myapp
# 设置节点数据
set /myapp "new data"
# 删除节点
delete /myapp/seqnode0000000001
# 递归删除节点
rmr /myapp
# 查看节点状态
stat /myapp3.2 Zookeeper节点类型
[*]持久节点(PERSISTENT)：创建后一直存在，除非显式删除
[*]临时节点(EPHEMERAL)：客户端会话结束时自动删除
[*]持久顺序节点(PERSISTENT_SEQUENTIAL)：持久节点，但节点名后会附加一个单调递增的数字后缀
[*]临时顺序节点(EPHEMERAL_SEQUENTIAL)：临时节点，带有序号后缀
3.3 Zookeeper Watch机制
Watch是Zookeeper的一个重要特性，它允许客户端在节点发生变化时收到通知。
# 设置watch
get /myapp watch
# 另一个会话修改/myapp节点数据
set /myapp "changed data"
# 原会话会收到NodeDataChanged事件四、Zookeeper Java客户端API
4.1 原生Java客户端
首先添加Maven依赖：
<dependency>
<groupId>org.apache.zookeeper</groupId>
zookeeper</artifactId>
<version>3.7.0</version>
</dependency>基本操作示例
import org.apache.zookeeper.*;
import org.apache.zookeeper.data.Stat;
import java.io.IOException;
import java.util.concurrent.CountDownLatch;
public class ZookeeperDemo {
private static final String CONNECT_STRING = "localhost:2181";
private static final int SESSION_TIMEOUT = 5000;
private static ZooKeeper zk;
private static final CountDownLatch connectedSemaphore = new CountDownLatch(1);
public static void main(String[] args) throws IOException, InterruptedException, KeeperException {
// 创建连接
zk = new ZooKeeper(CONNECT_STRING, SESSION_TIMEOUT, new Watcher() {
@Override
public void process(WatchedEvent event) {
if (Event.KeeperState.SyncConnected == event.getState()) {
connectedSemaphore.countDown();
}
}
});
connectedSemaphore.await();
System.out.println("Zookeeper连接成功");
// 创建节点
String path = "/test-node";
String data = "test data";
zk.create(path, data.getBytes(), ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
System.out.println("创建节点: " + path);
// 获取节点数据
byte[] nodeData = zk.getData(path, false, null);
System.out.println("节点数据: " + new String(nodeData));
// 修改节点数据
String newData = "new test data";
zk.setData(path, newData.getBytes(), -1);
System.out.println("修改节点数据");
// 删除节点
zk.delete(path, -1);
System.out.println("删除节点: " + path);
// 关闭连接
zk.close();
}
}Watch示例
public class ZookeeperWatchDemo {
// ... 同上连接代码
public static void watchDemo() throws KeeperException, InterruptedException {
String path = "/watch-node";
// 创建节点
zk.create(path, "init".getBytes(), ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
// 设置watch
Stat stat = new Stat();
byte[] data = zk.getData(path, new Watcher() {
@Override
public void process(WatchedEvent event) {
System.out.println("收到事件: " + event);
if (event.getType() == Event.EventType.NodeDataChanged) {
try {
// 再次设置watch，实现持续监听
byte[] newData = zk.getData(path, this, null);
System.out.println("数据已修改，新值为: " + new String(newData));
} catch (Exception e) {
e.printStackTrace();
}
}
}
}, stat);
System.out.println("初始数据: " + new String(data));
// 修改数据触发watch
zk.setData(path, "changed".getBytes(), stat.getVersion());
// 等待watch触发
Thread.sleep(1000);
// 删除节点
zk.delete(path, -1);
}
}4.2 Curator客户端
Curator是Netflix开源的Zookeeper客户端，提供了更高级的API和常用模式的实现。
添加依赖
<dependency>
<groupId>org.apache.curator</groupId>
curator-framework</artifactId>
<version>5.2.0</version>
</dependency>
<dependency>
<groupId>org.apache.curator</groupId>
curator-recipes</artifactId>
<version>5.2.0</version>
</dependency>基本操作示例
import org.apache.curator.framework.CuratorFramework;
import org.apache.curator.framework.CuratorFrameworkFactory;
import org.apache.curator.retry.ExponentialBackoffRetry;
import org.apache.zookeeper.CreateMode;
import org.apache.zookeeper.data.Stat;
public class CuratorDemo {
private static final String CONNECT_STRING = "localhost:2181";
private static final int SESSION_TIMEOUT = 5000;
private static final int CONNECTION_TIMEOUT = 3000;
public static void main(String[] args) throws Exception {
// 创建客户端
CuratorFramework client = CuratorFrameworkFactory.builder()
.connectString(CONNECT_STRING)
.sessionTimeoutMs(SESSION_TIMEOUT)
.connectionTimeoutMs(CONNECTION_TIMEOUT)
.retryPolicy(new ExponentialBackoffRetry(1000, 3))
.build();
// 启动客户端
client.start();
// 创建节点
String path = "/curator-node";
client.create()
.creatingParentsIfNeeded()
.withMode(CreateMode.PERSISTENT)
.forPath(path, "init".getBytes());
System.out.println("创建节点: " + path);
// 获取节点数据
byte[] data = client.getData().forPath(path);
System.out.println("节点数据: " + new String(data));
// 修改节点数据
Stat stat = client.setData().forPath(path, "changed".getBytes());
System.out.println("修改节点数据，版本号: " + stat.getVersion());
// 删除节点
client.delete()
.guaranteed()
.deletingChildrenIfNeeded()
.forPath(path);
System.out.println("删除节点: " + path);
// 关闭客户端
client.close();
}
}五、SpringBoot整合Zookeeper
5.1 项目搭建
创建SpringBoot项目并添加依赖：
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.apache.curator</groupId>
curator-framework</artifactId>
<version>5.2.0</version>
</dependency>
<dependency>
<groupId>org.apache.curator</groupId>
curator-recipes</artifactId>
<version>5.2.0</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
lombok</artifactId>
<optional>true</optional>
</dependency>
</dependencies>5.2 配置类
创建Zookeeper配置类：
import org.apache.curator.framework.CuratorFramework;
import org.apache.curator.framework.CuratorFrameworkFactory;
import org.apache.curator.retry.ExponentialBackoffRetry;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration
public class ZookeeperConfig {
@Value("${zookeeper.connect-string}")
private String connectString;
@Value("${zookeeper.session-timeout}")
private int sessionTimeout;
@Value("${zookeeper.connection-timeout}")
private int connectionTimeout;
@Bean(initMethod = "start", destroyMethod = "close")
public CuratorFramework curatorFramework() {
return CuratorFrameworkFactory.builder()
.connectString(connectString)
.sessionTimeoutMs(sessionTimeout)
.connectionTimeoutMs(connectionTimeout)
.retryPolicy(new ExponentialBackoffRetry(1000, 3))
.namespace("springboot-demo")// 命名空间隔离
.build();
}
}在application.properties中添加配置：
# Zookeeper配置
zookeeper.connect-string=localhost:2181
zookeeper.session-timeout=5000
zookeeper.connection-timeout=30005.3 服务类
创建Zookeeper操作服务类：
import lombok.extern.slf4j.Slf4j;
import org.apache.curator.framework.CuratorFramework;
import org.apache.curator.framework.recipes.cache.ChildData;
import org.apache.curator.framework.recipes.cache.CuratorCache;
import org.apache.curator.framework.recipes.cache.CuratorCacheListener;
import org.apache.zookeeper.CreateMode;
import org.apache.zookeeper.data.Stat;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.nio.charset.StandardCharsets;
import java.util.List;
@Slf4j
@Service
public class ZookeeperService {
@Autowired
private CuratorFramework curatorFramework;
/**
* 创建节点
*/
public String createNode(String path, String data, CreateMode createMode) throws Exception {
byte[] dataBytes = data.getBytes(StandardCharsets.UTF_8);
String createdPath = curatorFramework.create()
.creatingParentsIfNeeded()
.withMode(createMode)
.forPath(path, dataBytes);
log.info("节点创建成功: {}", createdPath);
return createdPath;
}
/**
* 获取节点数据
*/
public String getNodeData(String path) throws Exception {
byte[] dataBytes = curatorFramework.getData().forPath(path);
return new String(dataBytes, StandardCharsets.UTF_8);
}
/**
* 更新节点数据
*/
public Stat updateNodeData(String path, String data) throws Exception {
byte[] dataBytes = data.getBytes(StandardCharsets.UTF_8);
return curatorFramework.setData().forPath(path, dataBytes);
}
/**
* 删除节点
*/
public void deleteNode(String path) throws Exception {
curatorFramework.delete()
.guaranteed()
.deletingChildrenIfNeeded()
.forPath(path);
log.info("节点删除成功: {}", path);
}
/**
* 检查节点是否存在
*/
public boolean isNodeExist(String path) throws Exception {
Stat stat = curatorFramework.checkExists().forPath(path);
return stat != null;
}
/**
* 获取子节点列表
*/
public List<String> getChildren(String path) throws Exception {
return curatorFramework.getChildren().forPath(path);
}
/**
* 添加节点监听
*/
public void addNodeListener(String path, NodeListenerCallback callback) {
CuratorCache cache = CuratorCache.build(curatorFramework, path);
CuratorCacheListener listener = CuratorCacheListener.builder()
.forCreates(node -> callback.onNodeCreated(node.getPath(), new String(node.getData())))
.forChanges((oldNode, node) ->
callback.onNodeUpdated(node.getPath(), new String(node.getData())))
.forDeletes(node -> callback.onNodeDeleted(node.getPath()))
.forInitialized(() -> callback.onInitialized()))
.build();
cache.listenable().addListener(listener);
cache.start();
}
public interface NodeListenerCallback {
default void onNodeCreated(String path, String data) {}
default void onNodeUpdated(String path, String data) {}
default void onNodeDeleted(String path) {}
default void onInitialized() {}
}
}5.4 控制器类
创建REST控制器：
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
@RestController
@RequestMapping("/zk")
public class ZookeeperController {
@Autowired
private ZookeeperService zookeeperService;
@PostMapping("/node")
public String createNode(@RequestParam String path,
@RequestParam String data,
@RequestParam(defaultValue = "PERSISTENT") String mode) throws Exception {
return zookeeperService.createNode(path, data, CreateMode.valueOf(mode));
}
@GetMapping("/node")
public String getNodeData(@RequestParam String path) throws Exception {
return zookeeperService.getNodeData(path);
}
@PutMapping("/node")
public String updateNodeData(@RequestParam String path,
@RequestParam String data) throws Exception {
zookeeperService.updateNodeData(path, data);
return "更新成功";
}
@DeleteMapping("/node")
public String deleteNode(@RequestParam String path) throws Exception {
zookeeperService.deleteNode(path);
return "删除成功";
}
@GetMapping("/node/exists")
public boolean isNodeExist(@RequestParam String path) throws Exception {
return zookeeperService.isNodeExist(path);
}
@GetMapping("/node/children")
public List<String> getChildren(@RequestParam String path) throws Exception {
return zookeeperService.getChildren(path);
}
}六、Zookeeper高级应用
6.1 分布式锁实现
import lombok.extern.slf4j.Slf4j;
import org.apache.curator.framework.CuratorFramework;
import org.apache.curator.framework.recipes.locks.InterProcessMutex;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.concurrent.TimeUnit;
@Slf4j
@Service
public class DistributedLockService {
private static final String LOCK_PATH = "/locks";
@Autowired
private CuratorFramework curatorFramework;
/**
* 获取分布式锁
*/
public boolean acquireLock(String lockName, long waitTime, TimeUnit timeUnit) {
InterProcessMutex lock = new InterProcessMutex(curatorFramework, LOCK_PATH + "/" + lockName);
try {
return lock.acquire(waitTime, timeUnit);
} catch (Exception e) {
log.error("获取分布式锁失败", e);
return false;
}
}
/**
* 释放分布式锁
*/
public void releaseLock(String lockName) {
InterProcessMutex lock = new InterProcessMutex(curatorFramework, LOCK_PATH + "/" + lockName);
try {
if (lock.isAcquiredInThisProcess()) {
lock.release();
}
} catch (Exception e) {
log.error("释放分布式锁失败", e);
}
}
/**
* 执行带锁的操作
*/
public <T> T executeWithLock(String lockName, long waitTime, TimeUnit timeUnit, LockOperation<T> operation) throws Exception {
InterProcessMutex lock = new InterProcessMutex(curatorFramework, LOCK_PATH + "/" + lockName);
try {
if (lock.acquire(waitTime, timeUnit)) {
return operation.execute();
} else {
throw new RuntimeException("获取锁超时");
}
} finally {
if (lock.isAcquiredInThisProcess()) {
lock.release();
}
}
}
public interface LockOperation<T> {
T execute() throws Exception;
}
}6.2 配置中心实现
import lombok.extern.slf4j.Slf4j;
import org.apache.curator.framework.CuratorFramework;
import org.apache.curator.framework.recipes.cache.CuratorCache;
import org.apache.curator.framework.recipes.cache.CuratorCacheListener;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import javax.annotation.PostConstruct;
import java.nio.charset.StandardCharsets;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
@Slf4j
@Service
public class ConfigCenterService {
private static final String CONFIG_PATH = "/config";
private final Map<String, String> configCache = new ConcurrentHashMap<>();
@Autowired
private CuratorFramework curatorFramework;
@PostConstruct
public void init() throws Exception {
// 初始化配置
loadAllConfigs();
// 监听配置变化
watchConfigChanges();
}
/**
* 加载所有配置
*/
private void loadAllConfigs() throws Exception {
if (curatorFramework.checkExists().forPath(CONFIG_PATH) == null) {
curatorFramework.create().creatingParentsIfNeeded().forPath(CONFIG_PATH);
}
List<String> children = curatorFramework.getChildren().forPath(CONFIG_PATH);
for (String child : children) {
String path = CONFIG_PATH + "/" + child;
byte[] data = curatorFramework.getData().forPath(path);
configCache.put(child, new String(data, StandardCharsets.UTF_8));
}
}
/**
* 监听配置变化
*/
private void watchConfigChanges() {
CuratorCache cache = CuratorCache.build(curatorFramework, CONFIG_PATH);
CuratorCacheListener listener = CuratorCacheListener.builder()
.forCreates(node -> {
String key = node.getPath().replace(CONFIG_PATH + "/", "");
configCache.put(key, new String(node.getData()));
log.info("配置新增: {}={}", key, configCache.get(key));
})
.forChanges((oldNode, node) -> {
String key = node.getPath().replace(CONFIG_PATH + "/", "");
configCache.put(key, new String(node.getData()));
log.info("配置修改: {}={}", key, configCache.get(key));
})
.forDeletes(node -> {
String key = node.getPath().replace(CONFIG_PATH + "/", "");
configCache.remove(key);
log.info("配置删除: {}", key);
})
.build();
cache.listenable().addListener(listener);
cache.start();
}
/**
* 获取配置
*/
public String getConfig(String key) {
return configCache.get(key);
}
/**
* 获取所有配置
*/
public Map<String, String> getAllConfigs() {
return new HashMap<>(configCache);
}
/**
* 设置配置
*/
public void setConfig(String key, String value) throws Exception {
String path = CONFIG_PATH + "/" + key;
byte[] data = value.getBytes(StandardCharsets.UTF_8);
if (curatorFramework.checkExists().forPath(path) == null) {
curatorFramework.create().forPath(path, data);
} else {
curatorFramework.setData().forPath(path, data);
}
}
/**
* 删除配置
*/
public void deleteConfig(String key) throws Exception {
String path = CONFIG_PATH + "/" + key;
curatorFramework.delete().forPath(path);
}
}6.3 服务注册与发现
服务注册
import lombok.extern.slf4j.Slf4j;
import org.apache.curator.framework.CuratorFramework;
import org.apache.zookeeper.CreateMode;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import javax.annotation.PostConstruct;
import java.net.InetAddress;
@Slf4j
@Service
public class ServiceRegistry {
private static final String REGISTRY_PATH = "/services";
@Autowired
private CuratorFramework curatorFramework;
@Value("${server.port}")
private int port;
private String servicePath;
@PostConstruct
public void register() throws Exception {
// 创建服务根节点(持久节点)
if (curatorFramework.checkExists().forPath(REGISTRY_PATH) == null) {
curatorFramework.create()
.creatingParentsIfNeeded()
.forPath(REGISTRY_PATH, "Service Registry".getBytes());
}
// 获取本机IP地址
String ip = InetAddress.getLocalHost().getHostAddress();
String serviceInstance = ip + ":" + port;
// 创建临时顺序节点
servicePath = curatorFramework.create()
.withMode(CreateMode.EPHEMERAL_SEQUENTIAL)
.forPath(REGISTRY_PATH + "/instance-", serviceInstance.getBytes());
log.info("服务注册成功: {}", servicePath);
}
public String getServicePath() {
return servicePath;
}
}服务发现
import lombok.extern.slf4j.Slf4j;
import org.apache.curator.framework.CuratorFramework;
import org.apache.curator.framework.recipes.cache.CuratorCache;
import org.apache.curator.framework.recipes.cache.CuratorCacheListener;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import javax.annotation.PostConstruct;
import java.util.ArrayList;
import java.util.List;
@Slf4j
@Service
public class ServiceDiscovery {
private static final String REGISTRY_PATH = "/services";
private final List<String> serviceInstances = new ArrayList<>();
@Autowired
private CuratorFramework curatorFramework;
@PostConstruct
public void init() throws Exception {
// 初始化服务列表
discoverServices();
// 监听服务变化
watchServices();
}
/**
* 发现可用服务
*/
private void discoverServices() throws Exception {
serviceInstances.clear();
if (curatorFramework.checkExists().forPath(REGISTRY_PATH) != null) {
List<String> instances = curatorFramework.getChildren().forPath(REGISTRY_PATH);
for (String instance : instances) {
String instancePath = REGISTRY_PATH + "/" + instance;
byte[] data = curatorFramework.getData().forPath(instancePath);
serviceInstances.add(new String(data));
}
}
log.info("当前可用服务实例: {}", serviceInstances);
}
/**
* 监听服务变化
*/
private void watchServices() {
CuratorCache cache = CuratorCache.build(curatorFramework, REGISTRY_PATH);
CuratorCacheListener listener = CuratorCacheListener.builder()
.forCreates(node -> {
try {
discoverServices();
} catch (Exception e) {
log.error("处理服务新增事件失败", e);
}
})
.forChanges((oldNode, node) -> {
try {
discoverServices();
} catch (Exception e) {
log.error("处理服务变更事件失败", e);
}
})
.forDeletes(node -> {
try {
discoverServices();
} catch (Exception e) {
log.error("处理服务删除事件失败", e);
}
})
.build();
cache.listenable().addListener(listener);
cache.start();
}
/**
* 获取所有服务实例
*/
public List<String> getAllServiceInstances() {
return new ArrayList<>(serviceInstances);
}
/**
* 随机获取一个服务实例(简单的负载均衡)
*/
public String getRandomServiceInstance() {
if (serviceInstances.isEmpty()) {
return null;
}
int index = (int) (Math.random() * serviceInstances.size());
return serviceInstances.get(index);
}
}七、生产环境注意事项
7.1 Zookeeper性能优化
[*]数据目录和事务日志目录分离：将dataDir和dataLogDir配置到不同的物理磁盘
[*]JVM调优：适当增加JVM堆内存，设置合适的GC参数
[*]快照清理：配置autopurge.snapRetainCount和autopurge.purgeInterval自动清理旧快照
[*]限制客户端连接数：合理设置maxClientCnxns参数
7.2 监控与运维
[*]使用四字命令监控：
[*]echo stat | nc localhost 2181 查看服务器状态
[*]echo mntr | nc localhost 2181 查看监控信息
[*]echo cons | nc localhost 2181 查看客户端连接
[*]JMX监控：启用JMX监控Zookeeper运行状态
[*]日志管理：合理配置日志级别和日志滚动策略
7.3 常见问题解决
[*]连接问题：
[*]检查防火墙设置
[*]确认Zookeeper服务是否正常运行
[*]检查客户端和服务端版本是否兼容
[*]节点已存在错误：
[*]使用带版本号的API操作节点
[*]先检查节点是否存在再操作
[*]会话过期：
[*]增加会话超时时间
[*]实现会话过期后的重连逻辑
八、总结
本文从Zookeeper的基本概念讲起，详细介绍了安装配置、基本操作、Java客户端使用，到SpringBoot整合，再到高级应用如分布式锁、配置中心、服务注册与发现等。通过完整的代码示例和详细注释，希望能帮助读者从零开始掌握Zookeeper的使用。
Zookeeper作为分布式系统的基石，其强大的协调能力可以帮助我们解决分布式环境中的各种难题。但在实际生产环境中，还需要根据具体场景合理设计和使用，并注意性能优化和监控运维。
完整的SpringBoot整合Zookeeper项目代码可以在GitHub上找到：项目地址
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