# Confirm Elapsed Time on TiKV (D)

+ Analysis conclusion:
  + Where the time is higher should be on TiKV's coprocessor
+ Further confirm the direction:
  + Coprocessor for each TiKV
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- Coprocessor is slow to process for some reason and is divided into two distinct phases:
  - 19:50 ~ 20:20
  - 21:30 ~ 22:30
- The amount of data in the target table report_interact_detail corresponding to Slow Query SQL is constantly increasing, and the increment of the data in the table needs to be checked
  - Order by winning_create_time DESC is used in SQL and index scans use a single-column index on the create_time field