Is there a limit on the number of TiFlash replicas?

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

Original topic: tiflash副本数有限制吗

| username: TiDBer_h9um7nOg

【TiDB Usage Environment】Production, Testing, Research
【TiDB Version】
【Encountered Problem】
Is there a limit on the number of replicas for TiFlash? What prerequisites need to be met to configure the number of replicas?
【Reproduction Path】What operations were performed that led to the issue
【Problem Phenomenon and Impact】

【Attachments】

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: ddhe9527 | Original post link

The number of replicas should not exceed the number of TiFlash nodes. Usually, two replicas are sufficient.

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| username: TiDBer_h9um7nOg | Original post link

Okay, thank you!

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| username: system | Original post link

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