To convert bdb repository to fsfs, follow the steps below:

Step 1, stop you svn server to prevent commits.

This is a optional step, if you are sure that there will be no commits during

Step 2, dump from the bdb repository and load to fsfs repository.

using the follow commands if your are using linux-like system.

svnadmin create –fs-type=fsfs fsfs-repo
svnadmin dump repo | svnadmin load fsfs-repo
mv repo backup-repo
mv fsfs-repo repo