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Downgrading TiCDC cluster failed #3036

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liuzix opened this issue Oct 13, 2021 · 4 comments
Closed

Downgrading TiCDC cluster failed #3036

liuzix opened this issue Oct 13, 2021 · 4 comments
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@liuzix
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area/ticdc Issues or PRs related to TiCDC. severity/moderate type/bug The issue is confirmed as a bug.

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@liuzix
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liuzix commented Oct 13, 2021 •
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What did you do?

Downgrading from v5.1.2 to v5.1.1, by TiUP.

What did you expect to see?

That everything goes smoothly.

What did you see instead?

CDC:ErrInvalidEtcdKey report unknown key /meta/ticdc-delete-etcd-key-count

Versions of the cluster

v5.1.2 -> v5.1.1
@liuzix liuzix added the type/bug The issue is confirmed as a bug. label Oct 13, 2021
@liuzix
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liuzix commented Oct 13, 2021

This problem was introduced by #2510

@liuzix liuzix self-assigned this Oct 13, 2021
@AkiraXie AkiraXie added the area/ticdc Issues or PRs related to TiCDC. label Dec 6, 2021
@overvenus
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Downgrade is not recommended and uncommon, change to severity/moderate.

@nongfushanquan
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/close

@ti-chi-bot
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@nongfushanquan: Closing this issue.

In response to this:

/close

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

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@overvenus @liuzix @AkiraXie @ti-chi-bot @Tammyxia @nongfushanquan