fileRows 是经过样本对齐后的训练集 Start(fileRows [][]string) error // Stop 关闭模型评估, 清理数据 Stop() // SaveModel 当 Learner 训练结束后, 调用该方法保存模型 // 如果成功训练出模型，触发实例化 Model, 启动预测过程 SaveModel(*pbCom.TrainTaskResult) error // 会 在服务日志中体现，后续会写入可视化模块，训练过程中实时展示模型效果。 LiveEvaluator 动态模型评估的步骤可以简述为： 1. 初始化 2. 划分数据集 3. 初始化 1 个Learner 4. 模型训练，到达暂停轮数（pause round）停止 5. 预测和验证 6. 计算评估指标 7. 重复 4 - 6 直至接收到训练任务结束的消息 8. 结束并清理资源 LiveEvaluator round），该消息触发初 始化 1 个 Learner 并启动训练 // 2 继续评估流程，该消息会触发继续训练直至到达 pause round，参数中会携带暂停 轮数（pause round） Trigger(*pb.LiveEvaluationTriggerMsg) error // Stop 关闭模型评估, 清理数据 Stop() // SaveModel 当 Learner 训练暂停后, 调用该方法保存模型

implementations. The first is based on the etcd library [https://coreos.com/etcd/] of the Raft protocol [https://raft.github.io/raft.pdf]. The other is Kafka [https://kafka.apache.org/] (which uses Zookeeper [https://zookeeper patch release. Raft ordering service Introduced in v1.4.1, Raft [https://raft.github.io/raft.pdf] is a crash fault tolerant (CFT) ordering service based on an implementation of Raft protocol in etcd [https://coreos.com/etcd/]. Raft follows a “leader and follower” model, where a leader node is elected (per channel) and its decisions are replicated to the followers. Raft ordering services should be

implementations. The first is based on the etcd library [https://coreos.com/etcd/] of the Raft protocol [https://raft.github.io/raft.pdf]. The other is Kafka [https://kafka.apache.org/] (which uses Zookeeper [https://zookeeper patch release. Raft ordering service Introduced in v1.4.1, Raft [https://raft.github.io/raft.pdf] is a crash fault tolerant (CFT) ordering service based on an implementation of Raft protocol in etcd [https://coreos.com/etcd/]. Raft follows a “leader and follower” model, where a leader node is elected (per channel) and its decisions are replicated to the followers. Raft ordering services should be

implementations. The first is based on the etcd library [https://coreos.com/etcd/] of the Raft protocol [https://raft.github.io/raft.pdf]. The other is Kafka [https://kafka.apache.org/] (which uses Zookeeper [https://zookeeper patch release. Raft ordering service Introduced in v1.4.1, Raft [https://raft.github.io/raft.pdf] is a crash fault tolerant (CFT) ordering service based on an implementation of Raft protocol in etcd [https://coreos.com/etcd/]. Raft follows a “leader and follower” model, where a leader node is elected (per channel) and its decisions are replicated to the followers. Raft ordering services should be

service implementation based on the etcd library [https://coreos.com/etcd/] of the Raft protocol [https://raft.github.io/raft.pdf]. For information about currently available ordering services, check out our currently available implementations of the ordering service, with a particular focus on the recommended Raft ordering service implementation. What is ordering? Many distributed blockchains, such as Ethereum an ordering node. Raft (recommended) New as of v1.4.1, Raft is a crash fault tolerant (CFT) ordering service based on an implementation of Raft protocol [https://raft.github.io/raft.pdf] in etcd [https://coreos

service implementation based on the etcd library [https://coreos.com/etcd/] of the Raft protocol [https://raft.github.io/raft.pdf]. For information about currently available ordering services, check out our currently available implementations of the ordering service, with a particular focus on the recommended Raft ordering service implementation. What is ordering? Many distributed blockchains, such as Ethereum an ordering node. Raft (recommended) New as of v1.4.1, Raft is a crash fault tolerant (CFT) ordering service based on an implementation of Raft protocol [https://raft.github.io/raft.pdf] in etcd [https://coreos

service implementation based on the etcd library [https://coreos.com/etcd/] of the Raft protocol [https://raft.github.io/raft.pdf]. For information about currently available ordering services, check out our currently available implementations of the ordering service, with a particular focus on the recommended Raft ordering service implementation. What is ordering? Many distributed blockchains, such as Ethereum an ordering node. Raft (recommended) New as of v1.4.1, Raft is a crash fault tolerant (CFT) ordering service based on an implementation of Raft protocol [https://raft.github.io/raft.pdf] in etcd [https://coreos

service implementation based on the etcd library [https://coreos.com/etcd/] of the Raft protocol [https://raft.github.io/raft.pdf]. For information about currently available ordering services, check out our currently available implementations of the ordering service, with a particular focus on the recommended Raft ordering service implementation. What is ordering? Many distributed blockchains, such as Ethereum an ordering node. Raft (recommended) New as of v1.4.1, Raft is a crash fault tolerant (CFT) ordering service based on an implementation of Raft protocol [https://raft.github.io/raft.pdf] in etcd [https://coreos

implementations. The first is based on the etcd library [https://coreos.com/etcd/] of the Raft protocol [https://raft.github.io/raft.pdf]. The other is Kafka [https://kafka.apache.org/] (which uses Zookeeper [https://zookeeper patch release. Raft ordering service Introduced in v1.4.1, Raft [https://raft.github.io/raft.pdf] is a crash fault tolerant (CFT) ordering service based on an implementation of Raft protocol in etcd [https://coreos.com/etcd/]. Raft follows a “leader and follower” model, where a leader node is elected (per channel) and its decisions are replicated to the followers. Raft ordering services should be

service implementation based on the etcd library [https://coreos.com/etcd/] of the Raft protocol [https://raft.github.io/raft.pdf]. For information about currently available ordering services, check out our currently available implementations of the ordering service, with a particular focus on the recommended Raft ordering service implementation. What is ordering? Many distributed blockchains, such as Ethereum an ordering node. Raft (recommended) New as of v1.4.1, Raft is a crash fault tolerant (CFT) ordering service based on an implementation of Raft protocol [https://raft.github.io/raft.pdf] in etcd [https://coreos