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This topic has been translated from a Chinese forum by GPT and might contain errors.Original topic: TSO的耗时上升，与tid，tikv、tiflash的负载有哪些关系，怎样优化？
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username: anafin
[TiDB Usage Environment] Production Environment
[TiDB Version] 7.5.1
The TSO in the figure below is very unstable and is significantly affected by large analytical queries. Currently, the PD leader has been placed on a dedicated machine with low load, but the PD fellows overlap with KV and have a relatively high load.
