Etcd 是一个应用在分布式环境下的 key/value 存储服务。利用 etcd 的特性,应用程序可以在集群中共享信息、配置或作服务发现,Etcd 会在集群的各个节点中复制这些数据并保证这些数据始终正确。Etcd 无论是在 CoreOS 还是 Kubernetes 体系中都是不可或缺的一环。
服务发现示意图
更新日志
Bug 修复
- #7479 auth: nil check AuthInfo when checking admin permissions
- #7492 auth: get rid of deadlocking channel passing scheme in simpleTokenTTL
- #7499 ctlv3: ensure synced member list before printing env vars on member add
- #7504 clientv3: close open watch channel if substream is closing on reconnect
- #7513 etcdserver: remove possibly compacted entry look-up
- #7517 embed: Delay setting initial cluster
- #7546 *: fix blocking etcd process
- #7553 backend: add FillPercent option
Other
- #7482 discovery: fix print format
- #7539 ctlv3: have "protobuf" in output help string instead of "proto"
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