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Merge pull request #2775 from yichengq/proxy-doc

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docs: proxy needs accessible advertise client urls
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Yicheng Qin 2015-05-10 10:18:40 -07:00
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Documentation/proxy.md
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@ -6,6 +6,8 @@ etcd currently supports two proxy modes: `readwrite` and `readonly`. The default
The proxy will shuffle the list of cluster members periodically to avoid sending all connections to a single member.
The member list used by proxy consists of all client URLs advertised within the cluster, as specified in each members' `-advertise-client-urls` flag. If this flag is set incorrectly, requests sent to the proxy are forwarded to wrong addresses and then fail. The fix for this problem is to restart etcd member with correct `-advertise-client-urls` flag. After client URLs list in proxy is recalculated, which happens every 30 seconds, requests will be forwarded correctly.
### Using an etcd proxy
To start etcd in proxy mode, you need to provide three flags: `proxy`, `listen-client-urls`, and `initial-cluster` (or `discovery`).