???????????????????????????????????! ?????????? ?????? ???????? ?? ??? ??????? ???????? ???????? ??????? ???? ??????????????? ????????? ??????????????????????????????????????? ???????????? ?????????????? ???? ??????? ??????? ?????????? ??????????????? ?????????????????? ???????????? ???? ????????? ????????? : ????? ??????????, ??????? ????????

????????????????????????????????????? ????????????????????? ???????????? ????????? ??????????????????? ???????????????? ??????????????????????????????????????????? ??????????????????????????????????????????????????????????????????????????????????? ?????? ???????????????????????????? ???????????????????????????? ???????????????? ???????? ????

By default, pg_upgrade will await all files from the upgraded cluster to get penned safely and securely to disk. this feature leads to pg_upgrade to return without having waiting around, which is faster, but means that a subsequent operating procedure crash can go away the info directory corrupt. normally, this option is useful for testing but shou