单项选择题
A. schedtune -t
B. vmtune -R
C. schedtune -r
D. schedtune -D
单项选择题 Thenicevalueis60inthepslisting.Whichcommandisusedtochangethistoavalueof20?()
单项选择题 Thenfsstat-ccommandshowszerobadxid,butretransandtimeoutsaresizeable,whatisthemostprobablecauseoftheproblem?()
单项选择题 Asystemhasusersdoinginteractiveworkwhilebackgroundjobsarerunning.Interactiveusersarerequestingthatsystemresponsetimebeimprovedforforegroundprocesses.Whichtuningparametersshouldbechangedtoaccomplishthis?()