the art of scalability scalable web architecture processes and organizations for the modern enterprise phần 8 doc
the art of scalability scalable web architecture processes and organizations for the modern enterprise phần 1 pdf
... demand fore-cast and handing it off to the person responsible for capacity analysis and planning. The capacity planner takes a look at the types of demand forecasted by the businessunit and ... spentptg5994 185 The Art of Scalability is by far the best book on scalability on the market today. The authors tackle the issues of scalability from processes, to people, to performance, to the highly ... may be the purchase of new systems, a change in the architecture of certaincomponents of the platform, such as the data model or the movement of demandfrom one group of services to another group.In...
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the art of scalability scalable web architecture processes and organizations for the modern enterprise phần 2 pps
... that the CTOcreates and runs are the lifeblood of the business units and the heart of the backoffice systems that the CFO needs to do his or her job. We have indicated that the CTO’s organizations ... vision are the CTO’s peers the people who rely on the CTO for either the availability of the product or the back office systems that run the company. These people need to be consulted because the systems ... position in the company) simply isn’t capable of handling the development of new functionality and the stabilization of the existing platform.Christine believes that one of the issues with the executive...
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the art of scalability scalable web architecture processes and organizations for the modern enterprise phần 3 potx
... of root cause) are often in conflict with each other. The rapid restoration of ser-vice often conflicts with the forensic data gathering necessary for problemmanagement. Maybe the restart of ... considerimproving the process. These signs are derived from the three purposes of processes. The first is if there is repetitive management of the same task. Recall that processes augment the management of ... chapter. We started bylooking at the purpose of processes and determined that they serve three general pur-poses: they augment the management of our teams and employees, they standardizeemployee’s...
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the art of scalability scalable web architecture processes and organizations for the modern enterprise phần 4 pps
... 8. 58 9. 48 5.22 8. 28 9.36 4.92 8. 1 9.24 6. 18 5.64 6.12 7. 08 8.767.62 8. 58 5.6 9.02 8. 89 7.74 6.61ptg5994 185 200 CHAPTER 12 EXPLORING ARCHITECTURAL PRINCIPLES• Bring the team together for small ... someform of the RASCI model, you may also decide to require that the appropriate A, orowner of the system in question, has signed off on the change and is aware of it. The primary reason for the ... the end of several hours, each of the teams presents theirVenn diagram for several minutes, each including the reasons for choosing each of the principles and for choosing what “theme” they support...
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the art of scalability scalable web architecture processes and organizations for the modern enterprise phần 5 pptx
... administrators, and other JAD members; therefore, a veryinformal setting is our preference. The formality should come from the fact that therewill be a go or no-go decision made on the architecture of the ... technologyorganization, and all the processes that make these up. There are many differentways of calculating the amount of risk, and we will cover some of the best ones thatwe have seen, including the pros and ... in and out of the board depending on the feature being discussed.There are various methods of rotation for the ARB positions. One straightforwardmethod is to change the constituency of the...
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the art of scalability scalable web architecture processes and organizations for the modern enterprise phần 6 ppsx
... successful scalability of your system and the adoption of the performance and stress testing processes. As we cautioned previouslyin the discussion of the stress test, the creation of the test ... tradeoff. This process of listing out the tradeoffs, determining pros and cons, and then analyzing each one is the secondmethod of performing a tradeoff analysis. The third method of tradeoff ... conditions. Both of thesewould provide much more information with regard to the actual performance of the feature and therefore would lower the amount of risk. These two testing processes are powerful...
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the art of scalability scalable web architecture processes and organizations for the modern enterprise phần 7 potx
... the time of the request by looking up the username and determining the password or performing a geo-location test of the requestor IP address, we haveperformed a z-axis split. For the sake of ... exception of the customers for whom we have no sales data and therefore justrepresent a contact list. This set of customers actually represents the largest group bypopulation, and for them the team ... ptg5994 185 3 58 CHAPTER 24 SPLITTING DATABASES FOR SCALE The y-axis was described as a separation of work responsibility by either the type of data, the type of work performed for a transaction,...
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the art of scalability scalable web architecture processes and organizations for the modern enterprise phần 8 doc
... abstrac-tion of the layered model of network architecture. It is used to describe the different compo-nents of the network and how they are interrelated. There are seven layers, and starting from the ... the “avail-ability” of the string of lights was the product of the availability (1 the probability of failure) of all the lights. If any light had a 99.999% availability or a 0.001%chance of ... upfront cost for purchasing hardware and pay by the utilization of either CPU, bandwidth, storage,or possibly all of them. Scale On DemandAnother characteristic of cloud computing is the ability...
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the art of scalability scalable web architecture processes and organizations for the modern enterprise phần 9 docx
... data necessary to run the site) and 50% of the copies of each of the other sites (16.5% of the data necessary to run the site for a total of anadditional 33%).Let’s discuss the math behind our ... and the amortized fixed cost of the factory is divided by an increasingvolume of cars, the profit of those cars in aggregate start to offset the cost and finallyovercome it. The factory starts ... overtime for the purposes of comparison. We can compare the rates of errors for each of our services by error type for the time of day and day of week in question. Here, weare looking at the functions,...
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the art of scalability scalable web architecture processes and organizations for the modern enterprise phần 10 ppsx
... 4 6 .8 8.4 2.1 8. 3 1.4 8. 94.9 5.2 6.6 6 .8 4.6 6.7 1.2 5.4 8 92.5 5.3 8. 3 2.6 8. 1 7.7 2 1.9 5.9 2.27 .8 4 .8 6 6.4 4.2 8. 5 4.5 6 .8 7.5 6.57 .8 3.6 8. 8 2.9 8. 6 3 .8 2.6 4 .8 5.6 4.16.7 1 .8 2.6 5.5 ... headroom, 187 – 188 ptg5994 185 Appendicesptg5994 185 530 APPENDIX CLOAD AND PERFORMANCE CALCULATIONSIn Table C.3 are the summary results of the upload and All_Emp report tests for both the current ... the same thing about all the other tests that could be performed. The summary results include the overallmean and standard deviation, the number of SQL that was executed for each test, and the...
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