SAE：云时代的Web分布式应用方案

SinaAppEngine-adistributedwebsolutiononcloud:•greatprojectcomesfromcoincidence•cloudcomputingcanmakemoney•blankspaceofinternalmarket•wehavetechnicaladvantageOurdestinationImageDBTaskqueueCronRDCStorDeferredJobAppconfigFetchurlMemcacheSMailXHprof•PublicCloud•EntireWebSolutionPhpTmpfsOurdestinationWhatisdifferencesbetweenSAE&VPS:•focusonwebdeveloperVSnospecialuser•serviceuserVSdevicetenant•entiredistributedwebsolutionVSonlybasicservice•strongSLAVSweekSLA•payforusageVSprepaymentOurconcerns•staticscalability&dynamicalscalability•isolation&security•highavailability(computing&data)Whatwedone2009.11.3birthdaysae.sina.com.cnWhatwedoneVersionDateFunctionsSAEregroup2009.8.1startcoding......SAEalpha12009.11.3http;cron;mysql;mc;sdkSAEalpha22010.2.1mail;xhprof;tmpfs;appconfig;imageSAEbeta2010.8.**cloudbeans;taskqueue;rdc;deferredjob;httpsTimeline:Supportinternalprojects:30+weiboappsrunonSAESupportexternalprojects:2000+webdevelopersonSAE1500+appsonSAE400+deployactionseverydayWhatwedonePreview:SinaWeiboDeveloperConference2010.9~2010.10.weiboarchitecture.weibocachedesign.scalemysql.real-timeserch.sinacloudcomingsoon......WhatwedoneWhatwedoneAppSandbox:WhatwedoneServiceTypeDetailsPermanentStorageMysql(RDC*);Stor;SinaS3ImpermanentStorageMC;tmpfsAsyncComputingTaskqueue;DeferredJob;SMail;CronSyncComputingImage;Fetchurl;ComfirmationCode(*)WhatwedoneTaskqueuefeatures:1,dynamicscalability.multiprocess+multithread.workerdelaytime2,memoryqueue,master-slavesync3,deadqueueawakeWhatwedoneRDCfeatures:1,mysqlcluster2,fullmysqlprotocal3,sqlsecurityWhatwewilldo•NoSQLDB?•Java,Pythonsupport?•Csupport?•VMsupport?•CDNsupport?SAE让云触手可及[e-mail]