[RATIS-341] Raft log index on the follower should be applied to state machine only after writing the log

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.3.0
• Fix Version/s: 0.3.0
• Component/s: server
• Target Version/s: 0.3.0
• Assignee: Mukul Kumar Singh
• Reporter: Mukul Kumar Singh
• Created: 05/Oct/18 11:11
• Updated: 17/Oct/18 07:08
• Resolved: 06/Oct/18 21:37

Description

In follower, RaftServerImpl#appendEntriesAsync, entries should only be applied to state machine
only after writing the log to the state machine.

Issue Links

• breaks: RATIS-355 TestBatchAppend and TestFileStore* are failing