McAfee ENDPOINT ENCRYPTION ENTERPRISE - BEST PRACTICES GUIDE Spezifikationen PDF herunterladen (Seite 14)

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LifeTime=86400

Thetime(inseconds)forwhichtheindexwillbeusedbeforeitisautomaticallyre‐createdifsomebodylogson

tothedatabase.Thedefaultis30minutesbutisneverrecommended.Avalueofzeromeansthatitnever

expiresautomatically,andthevalueof86400meanson

eday.



Avalueofzerogivesyoufullcontrolbutthissettingneedsaseparateprocesstorecreatetheindex.Thiscould

beasimplebatchfilethatrunsovernight‐removestheindexfilesandforcesarecreate.Thiscansometimes

producethebestresultandperformance.



Recreationofth

eindexfileswilltakeperformance.Itwillcausethelogontobedelayedforquitesometime

dependantondatabasesizeandperformance,andcancauseissuesifthecreationofsystemsoccursduring

thisrebuildtime.Therefore,dependingonthesizeofthedatabase,itisrecommendedthispro

cessissetto

runveryearlyinthemorning.Forexample,removename*filesinSBDATA00000001and00000002folders

especiallythroughascriptearlymorning2A.M.Followingthat,runanadminlogonusingthecommandline

tool(SBADMCL)andperformacommandsuchasgetcountsthroughscripttorebuildthecac

heearly,before

thesystemssynchronize.



Youcanuseabatchfilesforthis,oneexampleiscalledRecreateCache.bat.Examplesofscriptsareinthe

optionalEEPCToolsdownload,or,availablefromyourMcAfeerepresentative.



[Attribs]

SingleFile=No

IfthisissettoYes,theattributesforobjectswillbeplacedintoasinglefileinsteadofeachonehavingtheir

ownfile.Notgenerallyusedalthoughitsimplifiesandspeedsupbackup,thiswillmakethedatabasetwiceas

slow!



AutoConvert=No

IfthisissettoYesandSingleFileisalsosettoYes,thena

ttributesareautomaticallyconvertedtoasinglefile

whentheobjectisopenedforwriting.Otherwise,onlynewobjectswillhavetheirattributesinasinglefile.

NOTE:Attributesarenotconverteduntiltheyareopenedforwriting.Again,thiscanproducefewerfil

esper

objecttoaidbackupsbutisslightlylessresilienttofailure.



[Tracking]

ObjectChanges=No

Objectchangetrackingforthebackuptoolmightdecreasetheperformanceofthedatabasebyabout100%

thusitisnotrecommendedtousethisinbigenvironments.



Groupsizes

Thesizeofausergrouporsystemsgroupshouldnotbetoobig.Ausergroupof5000cantake20secondsor

moretoopenevenonafastserver.Werecommendkeepingthesizeunder2000.Optimally1000orlesswill

workwellinmanycasesforfasteraccesstogrou

psonanyserver.



Alsoassigninglargegroupofusersdirectlytoaclientcanhaveperformanceimplications(network/server

performance,slowclientbootupandsynctimesandinstallationprocesses)sosmallergroupsarebetter.

Userscanbeassignedindividuallytoo.Thefewerusersassignedthebetterfromasecurityperspec

tive.See

UserObjects–GeneralPerformanceTipssectionlater.

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