Revert "test for revert"

This reverts commit f6e40d2badc5efbebbd685007cafeecbef89d1d5.
Merge branch 'master' of https://github.com/jazzlly/Notes
Merge branch 'master' of https://github.com/jazzlly/Notes
Merge branch 'master' of https://github.com/jazzlly/Notes
update db tuning