What is the correct order of the HBase write mechanism $($i$)$ Write data to write$-$ahead$-$log $($ii$)$Copy to MemStore $($iii$)$ client receives acknowledgment $($iv$)$ Commit data to an HFile

Group of answer choices

i$,$ ii$,$ iii, iv

ii$,$ i$,$ iv$,$ iii

i$,$ iv$,$ ii$,$ iii

None of the mentioned