Developing Cloud Computing Applications with Java

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۲ 5۱۱۵۲۱۲۵ حه» . 10-5 ظا 813,۵07 ‎shlomo.swidler@gmail.co‏ 

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Developing Cloud Computing Applications with Java Overview of Cloud Computing Amazon’s Cloud Platform Google’s Cloud Platform Application Development Challenges Posed by the Cloud... ... and Java Solutions 1۱ ees oe 

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ecm ME ava Technology Day 5: About Me | تا رت رها ‎Music marketing on social networks‏ ‎Patent-pending targeting technology‏ Java, MySQL, auto-scaling & cloud-based Active in the Cloud Computing community Open Cloud Computing Interface Working Group (an Open Grid Forum initiative) participant Contributor to Open Source cloud & Java projects Se eee eects 

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Cloud Computing Is... A style of computing in which dynamically scalable and often virtualized resources are provided as a service over the Internet. Users need not have knowledge of, expertise in, or control over the technology infrastructure in the “cloud” that supports them. - Wikipedia eee ee ‏کح‎ 0 

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Cloud Computing Is... ار ۱۱۱۲۰ لك فت انا ‎scalable and often virtualized + ces are‏ ‎provided 3 54 over the Internet. Users‏ ‎need not have knowledge of, expertise in, or‏ ‎control over the technology infrastructure in‏ ‎the “cloud” that supports them.‏ - Wikipedia لا ‎١‏ طاناا يها دمل لعب ‎Deere et‏ 

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ااا الس مد ‎Cloud Computing ls...‏ Cerone teeter 

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ااا الس مد ‎Cloud Computing Is...‏ « Infrastructure as a Service — laaS « Platform as a Service — Paas « Software as a Service - Saas eee en et et 

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ام ا الس مد ‎Cloud Computing Is...‏ Computing Resources Infrastructure Platform ‏تست‎ ‎Processor ‏يتا >اع 568 هالاها‎ Memory (۷/۷۳ CRM System Storage Python VM SNe) Network MapReduce SCM System ودره ۳ ول ‎oe ceri‏ 227 ومد As a Service Pay-as-you-go or Subscription Se eee eects 

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Advantages of Cloud Computing From a Developer’s Perspective: Pay-as-you-go “utility computing” 0 ‏ترا‎ ‎0 On-demand resource allocation & release Scalability “ More on this later 0 ere (ere er 

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Risks of Cloud Computing Security Who else has access to “your” resources ? Recovery ۲ ۲۱۵۸ ‏7و 5و6‎ Provider lock-in ce coe en Ok gt 90 

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Amazon’s Cloud Platform: Amazon Web Services Processors & Memory Network “Elastic Compute Cloud Content Delivery “EC2” Network CloudFront ‎Messaging‏ تست ‎Simple Storage Service 0‏ ‎“S3” 2205‏ ‎| Elastic Block Store “EBS” | SimpleDB database ‏3 ميق وا وا مرول ‎Se eee‏ ‎ 

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‎Java Technology Day —‏ كن ‎ ‎ElasticFox Firefox plugin 

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Developing on | NC Mid Standard stuff: Challenges: Language Scaling Libraries Communications ‏واع لمع 5 ماعلالا‎ Application Servers Databases mee for ee applications 1۱ ees te 

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Google’s Cloud Platform: Google App Engine Platform-as-a-Service ۷: Language User Accounts ۲ ‏اتهمع ما‎ 1 ‏ووز‎ ‎Image Transformation Storage 7 ‏م,منوهاده »و ۲۴۸۵و وه‎ ۰ ۵۵ ‏واطم‎ عطوز ۲۵۳ | eee ete et et ۳ 

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Ee 0 Java Technology Day Google Dashboard ‏هل‎ Google Administration Console 

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Developing on Google’s Cloud ‏ك0‎ ۴۵5 ۰ Challenges: Scaling Language Libraries Communications Data Storage mae for new, lighter-weight applications SO eet ets 

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Application Development Challenges Posed by the Cloud Deploying to the Cloud Designing for Scalability eon ie Application Tier ‏ات۱۰‎ 

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Application Development Challenges Posed by the Cloud Deploying to the Cloud 9 Designing for Scalability ” ome Application Tier ات۱۰ 

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ا ی ‎Deploying to the Cloud‏ laaS platforms Mostly the same as traditional deployment PaaS & SaaS platforms Custom procedures Custom configurations تور ۹۲۵ “Google App Engine: Eclipse plug-in eee en et et 

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4: ۵ Java Technology Day — Deploy 

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‎Java Technology Day =:‏ ی ‎ ‏0 لعدة صا نوا.. مرعل جلقدا متجع تفي ‎see‏ 

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الس مد ‎Designing the Application‏ ‎Tier for Scalability‏ ‎Me) Lena 4-1)‏ ات ات۸۰۱۱ عناد عاقالا ‎Optimize database queries‏ ‎Use in-memory caching‏ ‎Parallelize operations Use concurrent threads “Use the Service Pools design pattern ‎eee eer et or 62 

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Parallelize with Concurrent Threads ارهز Allow long-running tasks to proceed without impacting performance Java offers the java.util.concurrent ‏حتاف‎ ‎“ Executor interface ورین ات نا eee en et et ‏مه‎ 

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java.util.concurrent Example: In-Memory Cache Existing implementations such as memcached Cache shared by all application instances Access is via the network Application requests an Object from the cache Time until response is received can vary “ True of any network operation Don’t let application code wait... Se eee eects 000 0 0000 

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Parallelize with Service Pools لواسك ات سانا ‎Allow services to scale according to demand‏ ‎“Scale up and down‏ سا 9 Response Queue 0 ‏مما‎ eee tt er 

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Java Service Pool for Amazon Web Services: Open source 0 2.0 “ http://code.google.com/p/lifeguard/ ۱ a 9 ‏م‎ Response Queue 7۷7 " i [1 a koe Eo Onis 

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ام ‎ava Technology‏ ی ‎Lifeguard Framework‏ Framework provides: Message handling File handling Scaling logic Request SQS Queue Ingestor 3 011۳ ار رس <_ < ~~ per le a ۳ ۷ 5 1 en ل 

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Lifeguard Framework You provide: Ingestor ‏عءألااع5‎ ‎Pool Manager Configuration 2000 Request SQS Queue ‎ao}‏ رس ‎ ‎<_ < ‎Bai : ~~ per le 1 ۰ ae ‎10 eet ‏ا‎ ‎ ‎0 

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۳ ee ore eres ee eres 0 tem crs pee eae eee sneaaies See et ete <RanpDownInterval>1</RanpDownInterval> ee ens pore wares pee ere Sree erro er ties rene This configuration defines the SLA for this service That's all there is to implement The framework does all the rest os ete ere ee ۱ sJaHeue| |OOg 9y} SunHyuoD 

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Service Pool Pool of service instances dynamically scales with load Request SQS Queue ری ۳ 2 ] ‎ro‏ > os ~~ per le 1 F | 9 ‏عل‎ ل ا ‎ete‏ ار رس ٠ 

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Service Pool Pool of service instances dynamically scales with load هه سح 

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Service Pool Multiple service pools scale independently ۲ ۳۳ 6 

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Service Pool Workloads can follow different workflows | Specify the Ingestor’s XML accordingly Ea ‎at‏ ال ‎ 

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‎aha 3‏ ای ‎Developing Cloud‏ ‎Computing Applications with‏ ‎Java‏ ‎Q&A ‏ال 1 

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‎aha 3‏ ای ‎Developing Cloud‏ ‎Computing Applications with‏ ‎Java‏ ‏تست سرت ‎shlomo.swidler@gmail.com‏ ‎Thank you! ‏وس بو ‎