the art of scalability scalable web architecture processes and organizations for the modern enterprise phần 9 docx
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 ... computing and cloud computing. We also address some unique problemsptg 599 4185 The Art of Scalability ptg 599 4185This page intentionally left blank ptg 599 4185ptg 599 4185xvi CONTENTSPart III: ... 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 ... stealing with the creation of shareholderwealth.ptg 599 4185TAKING STOCK OF WHO YOU ARE 67points here: one is the issue of perception and the other is the effect of that perceptionon the team you...
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the art of scalability scalable web architecture processes and organizations for the modern enterprise phần 3 potx
... (ITIL) for definitions of certain words and processes. The ITIL and the Control Objectives for ptg 599 4185MEASUREMENT, METRICS, AND GOAL EVALUATION 99 two to 24 months of your job. However, something ... 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
... efficacy. A quarterly or annual reviewis appropriate and should be performed by the CTO/CIO and members of the executive staff of the company.ptg 599 4185ORDER OUT OF CHAOS 153follow the chat session, ... 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 ... clones of a primary database,which in turn means that we might be moving lots of data that is seldom read relativeptg 599 4185 THE Z-AXIS OF THE CUBE 333 The Z-Axis of the Cube The z-axis of the ... AllScale and for whom we have no data, and 99 splits for all other customers split by a product of their recency, frequency,monetization (aggregate value), and classification of purchases. These...
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the art of scalability scalable web architecture processes and organizations for the modern enterprise phần 8 doc
... 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 .99 9% availability or a 0.001%chance of ... availability or a 0.001%chance of failure and there were 100 lights in the string, the theoretical availability of the string of lights was 0 .99 999 100 or 0 .99 9, reduced from 5-nine availability to ... 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 fromthe...
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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 ... 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, ... vehicle produced and ultimately increase the grossmargin and profit margins of the business. Initially, the amortized value of the factoryis applied to each of the cars produced and the net effect...
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the art of scalability scalable web architecture processes and organizations for the modern enterprise phần 10 ppsx
... results of the upload and All_Emp report tests for both the current version 3.1 as well as the previous version of the code base 3.0. For the rest of the example, we are going to stick with these ... Planning for Highly Scalable Applications and Services by Neil J. Gunther The Art of Capacity Planning: Scaling Web Resources by John Allspaw Scalable Internet Architectures by Theo Schlossnagle The ... deviation, the number of SQL that was executed for each test, and the number of errors that the application reported. The third column for eachtest is the difference between the old and new versions’...
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