What are the impacts of mixed deployment of TiKV and TiFlash on the cluster?

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

Original topic: tikv 和tiflash 混和部署对集群有哪些影响

| username: xiaohetao

I would like to inquire about the impact on machine resources and the database cluster when TiKV and TiFlash are deployed together.

As shown in the image, the official recommendation is to deploy TiKV and TiFlash separately, but it does not describe the impact of mixed deployment.

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| username: wakaka | Original post link

Mixed deployment affects resources. TiFlash is a learner node, and its downtime does not affect the cluster.

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| username: xiaohetao | Original post link

Thank you, teacher!!!

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| username: cs58_dba | Original post link

The main issue is that disk I/O resources are limited.

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| username: xiaohetao | Original post link

Okay, I just want to ask if there will be any other impacts.

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| username: system | Original post link

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