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例如：原实例Topic01的读队列个数为3，云上实例Topic01的读队列个数为2，开启同名覆盖后，云上实例Topic01的读队列个数变为3。 如果不开启同名覆盖，同名元数据的迁移将失败。 例如：原实例的Topic包含Topic01和Topic02，云上实例的Topic包含Topic01
本文介绍如何使用RocketMQ-Spring连接华为云RocketMQ实例进行消息的生产和消费。相关代码您可以从rocketmq-springboot-demo中获取。 下文所有RocketMQ的配置信息，如实例连接地址、Topic名称、用户信息等，请参考收集连接信息获取。 在pom.xml文件中引入RocketMQ-Spring依赖
variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment String ak = System.getenv("CLOUD_SDK_AK"); String sk = System.get
xx:8080" AccessKey = os.Getenv("ROCKETMQ_AK") //用户名和密钥直接硬编码到代码中或者明文存储都存在很大的风险，建议在配置文件或者环境变量中密文存放,使用时解密。 SecretKey = os.Getenv("ROCKETMQ_SK")
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recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security
recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security
recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security
recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security
recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security
recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security
recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security
recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security
recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security
String endpoints = "yourEndpoints"; // 填入用户名/密钥，用户名和密钥直接硬编码到代码中或者明文存储都存在很大的风险，建议在配置文件或者环境变量中密文存放,使用时解密。创建实例时，如果开启了ACL才需要添加以下代码。 String
recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security
recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security
recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security
recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security
recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security
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