etcd 命令

常用示例

说明

etcd is a distributed key-value store that provides reliable, consistent data storage for distributed systems. It implements the Raft consensus algorithm to ensure strong consistency across multiple nodes, making it suitable for critical configuration data and service coordination. The server forms the backbone of Kubernetes cluster state management and is used extensively in cloud-native architectures for configuration management, service discovery, and distributed locking. Its simple HTTP/gRPC API and watch functionality enable applications to respond to configuration changes in real-time. etcd prioritizes consistency and availability, making it ideal for storing cluster membership, feature flags, and other distributed system metadata.

参数

--name _name_

Human-readable node name.

--data-dir _path_

Data directory path.

--listen-client-urls _urls_

Client listen URLs.

--advertise-client-urls _urls_

Advertised client URLs.

--listen-peer-urls _urls_

Peer listen URLs.

--initial-cluster _config_

Initial cluster configuration.

--initial-cluster-state _state_

Initial cluster state (new or existing).

--cert-file _file_

TLS certificate file.

--key-file _file_

TLS key file.

--initial-cluster-token _token_

Unique cluster token to prevent cross-cluster interaction.

--initial-advertise-peer-urls _urls_

Peer URLs to advertise to the rest of the cluster.

--snapshot-count _count_

Number of committed transactions to trigger a snapshot to disk (default 100000).

--quota-backend-bytes _bytes_

Raise alarms when backend size exceeds the given quota (0 defaults to low space quota).

--max-request-bytes _bytes_

Maximum client request size in bytes the server will accept (default 1572864).