Inyourproductiondatabase,youhaveobservedthatthedatabaseserverperformancedegradeswheneverth

14 查阅

Inyourproductiondatabase，youhaveobservedthatthedatabaseserverperformancedegradeswheneverthereisaswitchbetweentheloggroups.Onfurtherinvestigation，youfindthatthedatabaseisrunninginARCHIVELOGmodeandthearchivedlogfilesarebeingwrittentothesamediskthatisusedtostoretheredologmembers.Whichtwoactionswouldyoutaketoimprovetheperformanceofthedatabaseserver？（）

A.increasethesizeoftheredologbuffer

B.increasethenumberofredologgroups

C.increasethenumberoflogwriterprocesses

D.increasethenumberofARCnprocesses

E.changetheappropriateLOG_ARCHIVE_DEST_nparametertoplacethearchivedlogfilesinaseparatelocation

参考答案:

参考B, E

计算机考试