# Tiflash Core Feature: Consistent Read (Continue...)


![left](./student-guide/diagram/30-consistent-read-01-07.png)

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Next, at T5, TiFlash waited until the raft log index of key = 1 was 125, and confirmed that the value of key = 1 must have been copied, so it read the value of key = 1, but found that there were two versions, 100 and 200. Since the read occurred in T1, T2 was discarded. Version 200, return 100, as shown in the figure: