etcd 3.7

How to watch keys

Official etcd 3.7 guides for developers, operators, upgrades, APIs, and internals.

Prerequisites

Install etcd and etcdctl

Watching keys

watch to get notified of future changes:

etcdctl watch $KEY [$END_KEY]

Options

-i, --interactive[=false]: interactive mode
--prefix[=false]: watch on a prefix if prefix is set
--rev=0: Revision to start watching
--prev-kv[=false]: get the previous key-value pair before the event happens
--progress-notify[=false]: get periodic watch progress notification from server

Options inherited from parent commands

--endpoints="127.0.0.1:2379": gRPC endpoints

Examples

etcdctl --endpoints=$ENDPOINTS watch stock1
etcdctl --endpoints=$ENDPOINTS put stock1 1000

etcdctl --endpoints=$ENDPOINTS watch stock --prefix
etcdctl --endpoints=$ENDPOINTS put stock1 10
etcdctl --endpoints=$ENDPOINTS put stock2 20

Source and license

Documentation imported from pig.center · Upstream documentation

Version: 3.7
License: CC-BY-4.0
Source revision: cd1a9d68fc9418f02dbf478ffac90f7891fdb53c8a4ac77c2d8284c7b12b6c3d

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