Can TiDB be upgraded online through a proxy if the TiDB cluster is deployed in an intranet and can only access the internet via a proxy?

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This topic has been translated from a Chinese forum by GPT and might contain errors.

Original topic: tidb集群部署在内网，只能通过代理上网，tidb可以通过代理进行在线升级吗

| username: zxgaa

[TiDB Usage Environment] Production Environment / Testing / PoC
[TiDB Version] V6.1.0
[Encountered Problem: Problem Description and Impact]
Currently using version 6.1, planning to upgrade TiDB to version 6.5. However, the cluster is deployed in an intranet and can only access the internet through a proxy. Can TiDB be upgraded online through a proxy?
[Resource Configuration]
[Attachments: Screenshots / Logs / Monitoring]

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| username: Kongdom | Original post link

My understanding is that as long as you can access the corresponding address, you can upgrade online.

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| username: zhanggame1 | Original post link

You can upgrade through a proxy, just proxy the machine with tiup. An even simpler method is to download the offline upgrade package for the upgrade.

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| username: onlyacat | Original post link

Set http_proxy and https_proxy in the command line, and it should work.

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| username: 大飞哥online | Original post link

As long as the connection information is configured properly and the network proxy is specified correctly, you can upgrade online.

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| username: ShawnYan | Original post link

Another idea, maybe you need a unified local repository, check out tiup mirror.

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| username: Fly-bird | Original post link

As long as the network is connected, it will work.

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| username: heiwandou | Original post link

Netcom can definitely be upgraded.

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| username: Christophe | Original post link

As long as the central control machine can access the external network, it will be fine.

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| username: Kongdom | Original post link

The idea of a local mirror is indeed great :+1:

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| username: system | Original post link

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