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

![`smart`](TiFlashConsistencyRead06_aa_002_20220513.png)

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At T4, TiFlash waited for the Raft Log Index of key = 999 to be 31, confirming that the value of key = 999 had been replicated, and then read the value of key = 999 as 7.