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1、SystemAnalysisandTuningGuideSUSELinuxEnterpriseServer12SP3SystemAnalysisandTuningGuideSUSELinuxEnterpriseServer12SP3Anadministrator'sguideforproblemdetection,resolutionandoptimization.Findhowtoinspectandoptimizeyoursystembymeansofmonitoringtoolsandhowtoefficientlymanageresources.Alsocontainsanov
2、erviewofcommonproblemsandsolutionsandofadditionalhelpanddocumentationresources.PublicationDate:September?01,?2017SUSELLC10CanalParkDriveSuite200CambridgeMA02141USAhttps://www.suse.com/documentationCopyright?2006–2017SUSELLCandcontributors.Allrightsreserved.Permissionisgrantedtocopy,distributeand
3、/ormodifythisdocumentunderthetermsoftheGNUFreeDocu-mentationLicense,Version1.2or(atyouroption)version1.3;withtheInvariantSectionbeingthiscopyrightnoticeandlicense.Acopyofthelicenseversion1.2isincludedinthesectionentitled“GNUFreeDocumentationLicense”.ForSUSEtrademarks,seehttp://www.suse.com/compa
4、ny/legal/.Allotherthird-partytrademarksaretheprop-ertyoftheirrespectiveowners.Trademarksymbols(?,?etc.)denotetrademarksofSUSEanditsaffiliates.Asterisks(*)denotethird-partytrademarks.Allinformationfoundinthisbookhasbeencompiledwithutmostattentiontodetail.However,thisdoesnotguaranteecompleteaccura
5、cy.NeitherSUSELLC,itsaffiliates,theauthorsnorthetranslatorsshallbeheldliableforpossibleerrorsortheconsequencesthereof.ContentsAboutThisGuidexiiIBASICS11GeneralNotesonSystemTuning21.1BeSureWhatProblemtoSolve21.2RuleOutCommonProblems31.3FindingtheBottleneck41.4Step-by-stepTuning4IISYSTEMMONITORING
6、52SystemMonitoringUtilities62.1Multi-PurposeTools7vmstat7?dstat10?SystemActivityInformation:sar112.2SystemInformation15DeviceLoadInformation:iostat15?ProcessorActivityMonitoring:mpstat16?ProcessorFrequencyMonitoring:turbostat16?TaskMonitoring:pidstat17?KernelRingBuffer:dmesg17?ListofOpenFiles:ls
7、of18?KernelandudevEventSequenceViewer:udevadmmonitor182.3Processes19InterprocessCommunication:ipcs19?ProcessList:ps20?ProcessTree:pstree21?TableofProcesses:top22?z?SystemsHypervisorMonitor:hyptop23?Atop-likeI/OMonitor:iotop2
