?????????????????????? ?????????????????????????????????? ??????????????? ???????????????????????????????????????????????????????????????????????? ??????????????????????????????? ?????? ???????? ?? ??? ??????? ???????? ???????????????? ??????????????????: ????? ???????????   ???????? ??????????? ??????????????! ???????? ?????????? ?? ?????????

???????????? ?????????? ????????????? ??????????????????? : ?????????????????????????? - ????????????????????????????? ????????????????????????????????????? ????????????? ????????????? ??????????????????????????????????????? ????????????? ?????????????! "??????????" ????????????????????????????????????????????????? ?????????????? ????????????

By default, pg_upgrade will await all data files from the upgraded cluster to become published safely to disk. this feature brings about pg_upgrade to return without the need of waiting around, which is faster, but ensures that a subsequent running process crash can depart the information directory corrupt. usually, this option is beneficial for sc