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TianyinXuComputerScienceandEngineeringUniversityofCaliforniaSanDiegoLa


ResearchInterestsComputersystemssoftwareengineeringprogramanalysisandHCIThegoalofmyresearchistoenablethedesignandimplementationofreliableandsecurecomputersystemsespeciallythoseoperateatcloudanddatacen

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Document on Subject : "TianyinXuComputerScienceandEngineeringUniversityofCaliforniaSanDiegoLa"— Transcript:

1 TianyinXuComputerScienceandEngineeringUn
TianyinXuComputerScienceandEngineeringUniversityofCalifornia,SanDiegoLaJolla,CA92093-0404Btixu@cs.ucsd.eduÍhttp://cseweb.ucsd.edu/~tixu/ ResearchInterestsComputersystems,softwareengineering,programanalysis,andHCI.Thegoalofmyresearchistoenablethedesignandimplementationofreliableandsecurecomputersystems,especiallythoseoperateatcloudanddatacenterscale.MyPh.D.workfocusesontacklingonedominantcauseofreal-worldcloudanddatacenterfailurescongurationerrors.Myrecentworkalsoincludesaddressingsecuritymiscongurationsanddefendingmobilesystemsagainstdisruptiveapps.Myworkintersectssystems,softwareengineering,programanalysis,andHCI. Education2011presentUniversityofCaliforniaSanDiego,LaJolla,CA.Ph.D.inComputerScienceAdvisor:ProfessorYuanyuanZhou20032010NanjingUniversity,Nanjing,China.M.Eng.andB.S.inComputerScience AwardsandHonors2016JayLepreauBestPaperAwardofOSDI'162011UCSDFellowshipforGraduateStudy2010ErasmusMundusLiSUMScholarship2009BestPaperAwardofInternationalConferenceonCommunications2009IBMChineseExcellentStudentScholarship2008HPChineseExcellentStudentScholarship ImpactMyresearchhasledtomorethanahundredcodeimprovementstowardsbettercongurationdesignandimplementationbenetingthousandsofcongurationparametersinbothcommercialandopen-sourcesystemsincludingNetAppstorageproducts,Apachewebserver,Hadoop,HBase,Squid,MySQL,PostgreSQL,VSFTP,ZooKeeper,Alluxio,Accumulo,andRedis.Thecongurationusagestudy[FSE'15]waswidelyquotedwithinNetAppandhasbeenusedtomakedecisionsonimprovingcongurationdesignforreducingcustomers'miscongurations.TheSpexwork[SOSP'13]resultedinnding77conrmedmiscongurationvulnerabilities,whichwerethenxed,inNetApp'sOS.Spex[SOSP'13]hasmotivatedtheSquidwebproxyprojecttoimproveitscongu-rationparsinglibrary. PublicationsRefereedConferencePaper[CHI'17]TianyinXu,HanMinNaing,LeLu,andYuanyuanZhou.HowDoSystemAdministratorsResolveA

2 ccess-DeniedIssuesintheRealWorld?Toappea
ccess-DeniedIssuesintheRealWorld?ToappearinProceedingsofthe35thAnnualCHIConferenceonHumanFactorsinComputingSystems(CHI'17),May6-11,2017,Denver,CO.[OSDI'16]TianyinXu,XinxinJin,PengHuang,YuanyuanZhou,ShanLu,LongJin,andShankarPasupathy.EarlyDetectionofCongurationErrorstoReduceFailureDamage.InProceedingsofthe12thUSENIXSymposiumonOperatingSystemsDesignandImplementation(OSDI'16),Nov.2-4,2016,Savannah,GA.JayLepreauBestPaperAward.[ESEC/FSE'15]TianyinXu,LongJin,XuepengFan,YuanyuanZhou,ShankarPasupathy,andRukmaTalwadker.Hey,YouHaveGivenMeTooManyKnobs!UnderstandingandDealingwithOver-DesignedCongurationinSystemSoftware.InProceedingsofthe10thJointMeetingoftheEuropeanSoftwareEngineeringConferenceandtheACMSIGSOFTSymposiumontheFoundationsofSoftwareEngineering(ESEC/FSE'15),Aug.31-Sep.4,2015,Bergamo,Italy.[SOSP'13]TianyinXu,JiaqiZhang,PengHuang,JingZheng,TianweiSheng,DingYuan,YuanyuanZhou,andShankarPasupathy.DoNotBlameUsersforMiscongura-tions.InProceedingsofthe24thACMSymposiumonOperatingSystemsPrinciples(SOSP'13),Nov.3-6,2013,Farmington,PA.[MobiSys'16]PengHuang,TianyinXu,XinxinJin,andYuanyuanZhou.DefDroid:TowardsaMoreDefensiveMobileOSAgainstDisruptiveAppBehavior.InProceedingsofthe14thInternationalConferenceonMobileSystems,Applications,andServices(MobiSys'16),Jun.26-30,2016,Singapore,Singapore.[EuroSys'16]XinxinJin,PengHuang,TianyinXu,andYuanyuanZhou.NChecker:SavingMobileAppDevelopersfromNetworkDisruptions.InProceedingsofthe11thACMEuropeanConferenceonComputerSystems(EuroSys'16),Apr.18-21,2016,London,UK.[NSDI'16]ZhenhuaLi,WeiweiWang,TianyinXu,XinZhong,Xiang-YangLi,YunhaoLiu,ChristoWilson,andBenY.Zhao.ExploringCross-ApplicationCellularTracOptimizationwithBaiduTracGuard.InProceedingsofthe13thUSENIXSymposiumonNetworkedSystemsDesignandImplementation(NSDI'16),Mar.16-18,2016,SantaClara,CA.[IMC'15]ZhenhuaLi,ChristoWilson,TianyinXu,YaoLiu,ZhenLu,andYinlongWang.OineDownloadinginChina:AComparativeStudy.InP

3 roceedingsofthe15thACMInternetMeasuremen
roceedingsofthe15thACMInternetMeasurementConference(IMC'15),Oct.28-30,2015,Tokyo,Japan.[IMC'14]ZhenhuaLi,ChengJin,TianyinXu,ChristoWilson,YaoLiu,LinsongCheng,YunhaoLiu,YafeiDai,andZhi-LiZhang.TowardsNetwork-levelEciencyforCloudStorageServices.InProceedingsofthe14thACMInternetMeasurementConference(IMC'14),Nov.5-7,2014,Vancouver,Canada. [ASPLOS'14]JiaqiZhang,LakshminarayananRenganarayana,XiaolanZhang,NiyuGe,VasanthBala,TianyinXu,andYuanyuanZhou.EnCore:ExploitingSystemEnvironmentandCorrelationInformationforMiscongurationDetection.InProceedingsofthe19thInternationalConferenceonArchitecturalSupportforProgrammingLanguagesandOperatingSystems(ASPLOS'14),Mar.1-5,2014,SaltLakeCity,UT.RefereedJournalArticle[CSUR'15]TianyinXuandYuanyuanZhou.SystemsApproachestoTacklingCongurationErrors:ASurvey.ACMComputingSurveys,Volume47,Number4,Article70,Jul.2015.ePrintArchive[CoRR'16]TianyinXu,VineetPandey,andScottKlemmer.AnHCIViewofCongurationProblems.CoRR,abs/1601.01747,Jan.2016. ServicesTPCassistantASPLOS'16TPCmemberMobiSysPhDForum2014ICNPPhDForum2013,2014ReviewerUSENIXLISA'15IEEETransactionsonSoftwareEngineeringIEEETransactionsonParallelandDistributedSystemsScribeSIGCOMM'10ExternalreviewerASPLOS'15,OSDI'14,SOSP'13,APSys'13,USENIX'13,FAST'13,Micro'12,AP-Sys'12,EuroSys'12 TalksEarlydetectionofcongurationerrorstoreducefailuredamageOSDI,2016/11/4,Savannah,GACNSReview2016/4/20,SanDiego,CANetAppInc.,2016/3/1,Sunnyvale,CAExploringcross-appcellulartracoptimizationw/BaiduTracGuardNSDI,2016/3/18,SantaClara,CAProactivemethodsindealingwithdatacentermiscongurationsMicrosoftResearch,2016/3/4,Redmond,WACNSReview,2013/8/8,SanDiego,CAHey,youhavegivenmetoomanyknobs!ESEC/FSE,2015/9/3,Bergamo,ItalyDonotblameusersformiscongurationsSOSP,2013/11/5,Farmington,PANetAppInc.,2012/9/6,Sunnyvale,CA WorkExperience2015SummerResearchIntern,NetAppInc. r

4 esearchedhowtoreduceMTTR(MeanTimeToResol
esearchedhowtoreduceMTTR(MeanTimeToResolution)byautomaticallytriagingandtroubleshootingcustomers'issuesofnetworkedstoragesystems2012SummerResearchIntern,NetAppInc.appliedSpex[SOSP'15]toNetApp'sstorageproductsanduncovered77miscongurationvulnerabilities20102011TechnicalSta,UniversityofGoettingen,Germany. TeachingandMentoringTeachingAssistant2017SpringUCSDCSE221:AdvancedOperatingSystems(withProf.YuanyuanZhou)2016FallUCSDCSE120:PrinciplesofComputerOperatingSystems(withProf.YuanyuanZhouandProf.GeoreyM.Voelker)2016SpringUCSDCSE221:AdvancedOperatingSystems(withProf.YuanyuanZhou)2015SpringUCSDCSE599:TeachingMethodsinComputerScience(withProf.LeoPorter)2014FallUCSDCSE221:AdvancedOperatingSystems(withProf.StefanSavage)2014SummerUCSDCSE101:DesignandAnalysisofAlgorithms(withProf.MohanPaturi)2014SpringUCSDCSE120:PrinciplesofComputerOperatingSystems(withProf.YuanyuanZhou)2013FallUCSDCSE221:AdvancedOperatingSystems(withProf.YuanyuanZhou)2012FallUCSDCSE101:DesignandAnalysisofAlgorithms(withProf.SanjoyDasgupta)2010WinterUniversityofGoettingenM.Inf.223:AdvancedTopicsinComputerNetworking2007FallNanjingUniversity:OperatingSystemPrinciplesResearchMentoring2015presentforUCSDundergraduatestudentRaphaelLuImentoredRaphaelwhenheworkedwithusonstudyingreal-worldsecuritymiscongura-tions[CHI'17].RaphaelisapplyingforPh.D.programs.20152016forUCSDundergraduatestudentHanMinNaingImentoredHanwhenheworkedwithusonstudyingreal-worldsecuritymiscongurations[CHI'17].HanjoinedWebrootInc.,andhashelpedthecompanybuildthecongurationmanagementsystemthatdeploysandmonitorshundredsofcloudinstances.2014-2015forUCSDPh.D.studentLongJinImentoredLongwhenheworkedwithusonstudyingcongurationusagecharacteristics[ESEC/FSE'15]andPCheck[OSDI'16].20142015forUCSDMaster'sstudentTaoCaiIco-advisedTaowithProf.YuanyuanZhouwhenheworkedwithusonPCheck[OSDI'16].TaojoinedLinkedInandisworkingonLinkedIn'scongurationsystems.