V$SGA_STAT 썸네일형 리스트형 Active Session History (ASH) performed an emergency flush Alert Log에 아래와 같은 메세지가 찍혔다. Active Session History (ASH) performed an emergency flush. This may mean that ASH is undersized. If emergency flushes are a recurring issue, you may consider increasing ASH size by setting the value of _ASH_SIZE to a sufficiently large value. Currently, ASH size is 167772160 bytes. Both ASH size and the total number of emergency flushes since instance startup can be m.. 더보기 이전 1 다음