(cherry picked from commit 481d813539)
address oliverpool comments
(cherry picked from commit d8f313f9e2)
s/Printf/Print/
(cherry picked from commit 6621b04458)
do not run initDB within integration tests
(cherry picked from commit 5a0428ede3)
(cherry picked from commit e8287b753d)
(cherry picked from commit fc2b49e571)
(cherry picked from commit a291b39b23)
