# TiFlash's Main Feature: Consistent Read - Cont'd

![`smart`](TiFlashConsistencyRead07_aa_002_20220513.png)

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Next, at T5, TiFlash waited for the Raft Log Index of key = 1 to be 125, confirming that the value of key = 1 had been replicated, so it read the value of key = 1, but found two versions, 100 and 200. Since the read operation started at T1, it discarded the version 200 at T2 and returned 100.