Does PD store index data?

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

Original topic: PD保存索引数据吗

| username: TiDBer_4mYmoN9W

Does PD store index data?

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| username: gary | Original post link

Index data is stored in TiKV.

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| username: alfred | Original post link

PD is the management component of the TiDB cluster, responsible for storing the metadata of TiKV, as well as assigning timestamps and performing load balancing scheduling for TiKV. TiKV is a distributed key-value storage engine used to store actual data. In short, TiKV is the storage engine of TiDB.

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| username: HACK | Original post link

Do not save, PD schedules based on cluster metadata.

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| username: 天蓝色的小九 | Original post link

PD handles scheduling, TiKV stores indexes.