Quick Ways to Reduce DB

There are several ways to compact or reduce the lnd database. One of them would be the natural closing and reopening of a problematic channel at high Disk/RAM usage.
Is there a way to perform the same procedure without having to use the whole penalizing process of a normal close and open?
In other words, since there is a clear interest in keeping the same channel open, what quick and inexpensive ways exist besides the traditional method?