Residual Information in PD Dashboard After Cluster Upgrade

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

Original topic: 集群升级后pd dashboard有残留信息

| username: wakaka

【TiDB Usage Environment】

Production
【TiDB Version】
Upgraded from 5.0.4 to 5.0.6
【Encountered Problem】
Still seeing previous instance information on the PD dashboard

【Reproduction Path】Operations performed that led to the problem
Upgraded from 5.0.4 to 5.0.6 using tiup

【Problem Phenomenon and Impact】
The previous instance information is no longer visible in tiup cluster display, but it is still visible on the dashboard. Using scale-in --force also indicates that the instance does not exist.
【Attachments】

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Please provide the version information of each component, such as cdc/tikv, which can be obtained by executing cdc version/tikv-server --version.

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| username: songxuecheng | Original post link

Manually delete image

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| username: wakaka | Original post link

:joy: Seeing it labeled as hidden, I thought it meant “out of sight, out of mind.”

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| username: songxuecheng | Original post link

Confirmed offline, you can clean it up directly.

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| username: 长安是只喵 | Original post link

:thinking: Did you only perform an upgrade? How could an upgrade change the site IP?

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| username: wakaka | Original post link

I’m not quite sure, it was handed over to me later, so I’m not very familiar with the previous situation. It feels like a new node was added and an old node was taken offline.

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| username: wakaka | Original post link

Got it, thank you for answering my two posts :smiley:

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| username: 长安是只喵 | Original post link

:joy: I tried it before, manually deleted it, and it would appear again next time.

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| username: wakaka | Original post link

:joy: So how was it handled later?

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| username: 长安是只喵 | Original post link

Later, it was not dealt with, and it does not affect normal use.

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| username: system | Original post link

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