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This topic has been translated from a Chinese forum by GPT and might contain errors.Original topic: point_get点查性能异常

【TiDB Usage Environment】Production environment
【TiDB Version】v5.1.0
【Reproduction Path】No recent adjustments, SQL performance suddenly abnormal
【Encountered Problem: Phenomenon and Impact】From the TiDB slow query log, point_get fetching only a few rows of data takes about 6-12 seconds
【Resource Configuration】32 CPUs, 64GB memory, three-node mixed deployment, each node running PD, TiDB, and TiKV
【Attachments: Screenshots/Logs/Monitoring】