目前log level为notice，不想配置为warning，不知是否可以配置消息输出的时间间隔和数据体积的单位？

目前输出如下，希望能自定义输出时间间隔，如半分钟一次，然后数据体积用KB/MB为单位，仔细了解了配置文件，没发现这类自定义项呢？

[15856] 04 Jan 18:55:46 - 7 clients connected (0 slaves), 113862688 bytes in use
[15856] 04 Jan 18:55:51 - DB 0: 2 keys (0 volatile) in 4 slots HT.
[15856] 04 Jan 18:55:51 - 7 clients connected (0 slaves), 113881376 bytes in use
[15856] 04 Jan 18:55:56 - DB 0: 2 keys (0 volatile) in 4 slots HT.
[15856] 04 Jan 18:55:56 - 7 clients connected (0 slaves), 113903056 bytes in use
[15856] 04 Jan 18:56:01 - DB 0: 2 keys (0 volatile) in 4 slots HT.
[15856] 04 Jan 18:56:01 - 7 clients connected (0 slaves), 113911168 bytes in use
[15856] 04 Jan 18:56:06 - DB 0: 2 keys (0 volatile) in 4 slots HT.
[15856] 04 Jan 18:56:06 - 7 clients connected (0 slaves), 113944696 bytes in use
[15856] 04 Jan 18:56:11 - DB 0: 2 keys (0 volatile) in 4 slots HT.
[15856] 04 Jan 18:56:11 - 7 clients connected (0 slaves), 113977680 bytes in use
[15856] 04 Jan 18:56:16 - DB 0: 2 keys (0 volatile) in 4 slots HT.
[15856] 04 Jan 18:56:16 - 7 clients connected (0 slaves), 114002896 bytes in use
[15856] 04 Jan 18:56:21 - DB 0: 2 keys (0 volatile) in 4 slots HT.
[15856] 04 Jan 18:56:21 - 7 clients connected (0 slaves), 114040168 bytes in use