Does upgrading the SSL certificate for TiKV require downtime?

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

Original topic: TIKV升级SSL证书，需要停服升级吗？

| username: TiDBer_eEiwvfN0

When TiKV was initially deployed, SSL certificates were not enabled. Now we hope to upgrade. Is there a lossless upgrade solution that does not require downtime?

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| username: tidb菜鸟一只 | Original post link

The cluster must be restarted.

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| username: Jack-li | Original post link

A service restart is necessary.

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| username: TiDBer_QYr0vohO | Original post link

Needed.

5
| username: zhanggame1 | Original post link

The communication method has changed, so we definitely need to shut down and make modifications.

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| username: 小于同学 | Original post link

A restart is needed.

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| username: 友利奈绪 | Original post link

The cluster must be restarted.

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| username: TiDBer_rvITcue9 | Original post link

It is necessary to restart the cluster.

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| username: TiDBer_RjzUpGDL | Original post link

Needed.

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| username: 健康的腰间盘 | Original post link

The cluster must be restarted.

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| username: zhaokede | Original post link

To restart, find a low-traffic period to do so.