大内存无盘xp客户端及服务内存优化技术

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1、大内存无盘XP客户端及服务内存优化技术ThereareseveraloptionsinWindowsXPthatoptimizeMemoryperformanee,allofwhicharelocatedundertheregistry:HKEY_LOCALJIACHINE\SYSTEM\CurrentControlSet\Control\SessionManager\MemoryManagementDisablememorypagescheduling(PagingExecutive)Innormaltimes,XPwillwritefragmentsofmemoryt

2、otheharddisk,andwecanpreventitfromdoingso,keepingthedatainmemoryandimprovingtheperformanceofthesystem・Itisimportanttonotethatuserswithlotsofmemory(256M+)areabletousethissetting・Thenameofthissetting,likeitsfunction,isz/DisablePagingExecutive・〃Youcandisablememorypageschedulingbychangingitsvaluef

3、rom0to1.UpgradethesystemcacheChangedLargeSystemCachekeyvaluefrom0to1,WindowsXPwillexcept4msystemmemoryallocatedtoallofthefilesystemcache,thatmeanstheXPkernelcanruninmemory,greatlyimprovethespeedofsystem・Theremaining4Mmemoryisusedfordiskcaching,andmoreisallocatedwhenrequiredundercertainconditio

4、ns・Ingeneral,thisoptimizationwillmakesystemperformancequiteaboost,butitmayalsoreduceperformaneeofsomeapplications・Asmentionedearlier,youmusthavemorethan256mbofmemorytoactivatetheLargeSystemCache,otherwiseyouwillnotmoveit.Input/outputperformanceThisoptimizationonlymakessenseforserverusers一itimp

5、rovesperformancewhenthesystemperformslargevolumesoffiletransfer・Bydefault,thiskeyvaluedoesnotexistintheregistry,andyoumustcreateaDWORD(double-bytevalue)keyvalue,namedIOPageLockLimit・Mostpeoplehavefoundinusingtheoptimizationperformancebetween8to16mbytesisbest,whatspecificsetvalue,mayhaveatryin

6、whichvaluecangetthebestperformance・Rememberthatthisvalueiscalculatedinbytes,soforexample,ifyou，reassigning12M,it's12times1024*1024,whichis12582912・Aswithpreviousmemoryoptimizations,youcanonlychangethevalueifyourmemoryisgreaterthan256mb・Optimizedtutorial二suitableforworkstation1Gmemorywithoutdis

7、k.ModifythediskcachetoaccelerateWindowsXP[functionality]:thediskcacheiscriticalforrunningWindowsXP,butthedefaultI/Opagefileissmal1.Therefore,itisagoodpracticetousedifferentdiskcachesfordifferentmemory.[methods]:opentheregistry[HKEY_LOCA