the art of scalability scalable web architecture processes and organizations for the modern enterprise phần 3 potx

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 ... 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 ... spentptg5994185 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...

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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 ... metrics uponwhich they were based.After the first 30 days, Johnny covers his 30 -, 60-, and 90-day forward plans with the CEO and they jointly agree on a vision and set of goals for the engineering...

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 ... 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 ... worked best for him in the past, either start with the smallest process thatptg5994185 133 Chapter 8Managing Incidents and ProblemsAgain, if the campaign is protracted, the resources of the State...

the art of scalability scalable web architecture processes and organizations for the modern enterprise phần 4 pps

... 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 ... picture of the impact, what hasbeen tried, the best hypotheses being considered and the tasks associated with thosehypotheses, and the timeline for completion of the current set of actions,...

the art of scalability scalable web architecture processes and organizations for the modern enterprise phần 5 pptx

... factor such as the difficulty of the task, the amount of effort required for the task (the more effort generally the higher the risk), the interaction of this component with others (the more connected ... 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...

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...

the art of scalability scalable web architecture processes and organizations for the modern enterprise phần 7 potx

... clones of a primary database,which in turn means that we might be moving lots of data that is seldom read relativeptg5994185 THE Z-AXIS OF THE CUBE 33 3 The Z-Axis of the Cube The z-axis of the ... 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 ... efforts.ptg5994185 THE X-AXIS OF THE CUBE 32 9terms of people and organizations. Let’s first consider the days in which typing poolshandled the typing of meeting minutes, letters, internal memos, and so...

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...

the art of scalability scalable web architecture processes and organizations for the modern enterprise phần 9 docx

... contains the copy for which it is a master (33 % of the 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 ... 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, ... so the math is simpler. The product of the rank and the weight is –6,which is then summed with all the other products for alternative #2, equaling 9 for atotal score: (2 u 3) + (1 u –1) + (3...

the art of scalability scalable web architecture processes and organizations for the modern enterprise phần 10 ppsx

... 32 6 32 7scaling with increased data, 33 0state within applications, 33 5summary of, 33 4 33 6uses for, 33 6 33 7x-axis, 32 8 33 0, 33 4 33 5y-axis, 33 1 33 2, 33 5z-axis, 33 3 33 4, 33 5AKF Scale Cube, splitting ... 435 – 436 types of, 435 – 436 virtualization software, 435 – 436 Clouds, characteristics of multiple tenants, 432 – 433 , 434 pay by usage, 431 , 434 in private clouds, 434 scale on demand, 431 – 432 , 434 summary ... perspective, 36 3pros and cons, 36 3 36 4purpose of, 36 2 36 3summary of, 36 7 37 0transaction processing time, 36 4vs. x-axis splits, 36 3AKF Scale Cube for databases, z-axis splitscost, 36 6, 36 7description,...

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