[2019-04-25 14:37:08 JST] 7496[1] LOG: database system was shut down at 2019-04-25 14:37:06 JST [2019-04-25 14:37:08 JST] 7496[2] LOG: MultiXact member wraparound protections are now enabled [2019-04-25 14:37:08 JST] 6592[3] LOG: database system is ready to accept connections [2019-04-25 14:37:08 JST] 3240[1] LOG: autovacuum launcher started