My phone number will be (415) 820-79XX (last two digits remain the same).
We look forward to seeing you at our new location along with our regional partners, the Metropolitan Transportation Commission and the Bay Area Air Quality Management District. In the meantime, it's business as usual at our current location in Oakland.
Try using the option "-m fast" to either the shutdown or restart command to pg_ctl
pg-ctl -w restart -D /usr/local/pgsql/data -m fast
This disconnects any sessions currently connected. Thankfully in 9.5, this has become the default shutdown mode. Prior to 9.5, "-m smart" was the default which waits for all active connections to disconnect themselves.