truncateFrom
Removes all log entries with index >= [index].
Called during log conflict resolution when a follower's log diverges from the leader's. After truncation, appendEntries is called to write the correct entries from the leader.
Removes all log entries with index >= [index].
Called during log conflict resolution when a follower's log diverges from the leader's. After truncation, appendEntries is called to write the correct entries from the leader.