Inyourproductiondatabase,youhaveobservedthatthedatabaseserverperformancedegrades
2021-05-06
Inyourproductiondatabase，youhaveobservedthatthedatabaseserverperformancedegradeswheneverthereisaswitchbetweentheloggroups.Onfurtherinvestigation，youfindthatthedatabaseisrunninginARCHIVELOGmodeandthearchivedlogfilesarebeingwrittentothesamediskthatisusedtostoretheredologmembers.Whichtwoactionswouldyoutaketoimprovetheperformanceofthedatabaseserver？（）
A.increasethesizeoftheredologbuffer
B.increasethenumberofredologgroups
C.increasethenumberoflogwriterprocesses
D.increasethenumberofARCnprocesses
E.changetheappropriateLOG_ARCHIVE_DEST_nparametertoplacethearchivedlogfilesinaseparatelocation
正确答案：参考B, E
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