フリー問題

問題文

A replica falls further and further behind although its host has spare processors and the records arrive quickly. Which cause explains that?

選択肢

1. The growing lag comes from the isolation level that the applying side unfortunately still performs.
2. The growing lag comes from the heartbeat period that the applying side unfortunately still performs.
3. The growing lag comes from the serial application that the applying side unfortunately still performs.
4. The growing lag comes from the commit durability that the applying side unfortunately still performs.