Etcd

项目地址

GitHub - etcd-io/etcd: Distributed reliable key-value store for the most critical data of a distributed systemGitHub

官方文档

Documentation versionsetcd

快速上手

启动etcd

docker run -d -p 2379:2379 --rm quay.io/coreos/etcd:v3.3.19 /usr/local/bin/etcd --listen-client-urls http://0.0.0.0:2379 --advertise-client-urls http://0.0.0.0:2379

列举所有key

ETCDCTL_API=3 etcdctl get --prefix / --keys-only

查看资源占用

ETCDCTL_API=3 etcdctl --write-out=table endpoint status

Q&A

空间超额处理办法mvcc: database space exceeded

https://www.centos.bz/2018/06/etcd%E6%95%B0%E6%8D%AE%E5%BA%93%E5%BC%82%E5%B8%B8%EF%BC%9Amvcc-database-space-exceeded%E8%A7%A3%E5%86%B3/www.centos.bz

分布式锁

Etcd Lock详解苏连云的博客