chapter 7  xen and the beauty of virtualization

... needs to handle the offered load XenoLinux fares well, achieving within 1% of native Linux performance VMware and UML both struggle, supporting less than a third of the number of clients of the native ... this addresses many of the issues regarding the fidelity of the tool raised by Seltzer’s hbench [6] The OS performance subset of the lmbench suite consist of 37 microbenchmarks In the native Linux ... simplifying the Linux porting effort However, paravirtualization can be used to extend the capabilities of the balloon driver; for example, the out -of- memory handling mechanism in the guest OS...

Ngày tải lên: 26/07/2014, 11:56

... surgery and/ or radiation therapy By definition, patients have no evidence of disease on scan For these patients the central issue is whether the rise in PSA results from persistent disease in the ... undergone radiation therapy The decision to recommend radiation therapy after prostatectomy is often made on the basis of the pathologic findings at surgery, as imaging studies such as CT and bone scan ... estimated that 10–15% of patients had "insignificant" cancers Given the multifocality of the disease, a concern is the limited ability to predict pathologic findings on the basis of a needle biopsy,...

Ngày tải lên: 07/07/2014, 02:20

... by the total area a under the demand curve and above the price b above the supply curve and up to the equilibrium price c under price and up to the point of equilibrium d between the demand and ... both the demand for and the supply of radios would imply that a both the value of radios to consumers and the cost of producing radios has increased b both the value of radios to consumers and the ... Producers, and the Efficiency of Markets 41 On a graph, consumer surplus would be the area a between the demand and supply curves b below the demand curve and above price c below the price and above the...

Ngày tải lên: 11/08/2014, 10:21

... point of the organization’s activities It is the job of the ‘‘leaders in the middle’’ to knit these two elements together Organizational vision and values are established by the top of the organization ... thinks of yesterday and today The manager thinks of yesterday, today, and tomorrow The leader thinks of yesterday, today, and tomorrow but focuses on the day after tomorrow It is not enough for the ... If yes, they see it in black -and- white or Technicolor? Finally, you have a vision for yourself and your future in the game of leadership, much as Woods, Sorenstam, and the other stars of the sport...

Ngày tải lên: 21/01/2014, 21:20

... race against the media and surely also against other people The future of the adapted mind is the creation of artificial people 401 XIII THE FUTURE OF THE ADAPTED MIND A feature of the adapted ... other societies, and the mere success of the industry is a reflection of the immense strength of the relevant psychological adaptations and mate preferences The strong beliefs among women in the ... mates and has given rise to the evolution of such bizarre traits as the antlers of stags, the horns of antelopes, the tail of the peacock (Pavo cristatus), bird song, frog croaks, and the extravagant...

Ngày tải lên: 30/03/2014, 16:20

... treatment The diagnosis and treatment of cancers that would never have caused medical problems can lead to the harm of unnecessary treatment and give patients the anxiety of a cancer diagnosis The ... termed overdiagnosis, the detection of "pseudo disease." The reservoir of some undetected slow-growing tumors is large Many of these tumors fulfill the histologic criteria of cancer but will never ... effect of screening and treatment on other disease outcomes (e.g., cardiovascular disease) In a randomized trial, two like populations are randomly established One is given the medical standard of...

Ngày tải lên: 07/07/2014, 01:20

... converted by the enzyme 5αreductase to dihydrotestosterone in the gland The periurethral portion of the gland increases in size during puberty and after the age of 55 due to the growth of nonmalignant ... and Pathology The prostate is located in the pelvis and is surrounded by the rectum, the bladder, the periprostatic and dorsal vein complexes that are responsible for erectile function, and the ... produced in the epithelial cells Both prostate epithelial cells and stromal cells express androgen receptors and depend on androgens for growth Testosterone, the major circulating androgen, is...

Ngày tải lên: 07/07/2014, 02:20

... which the tempo of the illness is altered and symptoms controlled until the patient dies of other causes These can be equivalent therapeutically from a patient standpoint if the patient has not ... death, the states model allows a distinction between cure the elimination of all cancer cells, the primary therapeutic objective when treating most cancers and cancer control, in which the tempo of ... surgically remains in the state of localized disease as long as the PSA remains undetectable The time within a state becomes a measure of the efficacy of an intervention, though the effect may not...

Ngày tải lên: 07/07/2014, 02:20

... palpable, and of these, 70% are pathologically organ-confined The downside of widespread PSA screening is the detection and treatment of cancers with such a low malignant potential that they would ... examined for the presence of cancer, and the amount of cancer is quantified based on the length of the tumor within the core and the percentage of the core involved ... course of antibiotics before biopsy Men with an abnormal PSA and negative biopsy are advised to undergo a repeat biopsy Each core of the biopsy is examined for the presence of cancer, and the amount...

Ngày tải lên: 07/07/2014, 02:20

... to the extent of the disease within the gland, the presence or absence of capsular invasion, involvement of seminal vesicles, and extension of disease to lymph nodes Because of the inadequacy of ... identified solely on the basis of an abnormal PSA (T1c), those that are palpable but clinically confined to the gland (T2), and those that have extended outside the gland (T3 and T4) (Table 91-1) ... for staging, the staging system was modified to include the results of imaging studies Unfortunately, no single test has proven to indicate accurately the stage or the presence of organ-confined...

Ngày tải lên: 07/07/2014, 02:20

... more advanced the disease, the lower the probability of local control and the higher the probability of systemic relapse More important is that within the categories of T1, T2, and T3 disease ... radiation therapy, or active surveillance Choice of therapy requires the consideration of several factors: the presence of symptoms, the probability that the untreated tumor will adversely affect the ... of outcomes of various forms of therapy is limited by the lack of prospective trials, referral bias, and differences in the outcomes used The primary outcomes are cancer control and treatment-related...

Ngày tải lên: 07/07/2014, 02:20

... radiation therapy (IMRT) to maximize the dose to the prostate and to minimize the exposure of the surrounding normal structures The addition of IMRT has permitted further shaping of the dose, ... radiation therapy The aim is to decrease the size of the prostate and, consequently, to reduce the exposure of normal tissues to full-dose radiation, to increase local control rates, and to decrease the ... pretreatment, the dose administered, and the time of assessment Postradiation erectile dysfunction is related to a disruption of the vascular supply and not the nerve fibers Neoadjuvant hormone therapy...

Ngày tải lên: 07/07/2014, 02:20

... 69, and 79% if the doubling time was short (

Ngày tải lên: 07/07/2014, 02:20

... Outcomes of Androgen Depletion The antiprostate cancer effects of the various androgen depletion strategies are similar, and the clinical course is predictable: an initial response, then a period of ... quality of life Combined androgen blockade the administration of an antiandrogen plus a GnRH analogue or surgical orchiectomy—was designed to inhibit both testicular and adrenal androgens at the ... patients treated with radiation therapy and years of androgen depletion relative to radiation alone, was criticized for the poor outcomes of the control group Another showing a survival benefit...

Ngày tải lên: 07/07/2014, 02:20

... at bedtime) act by relaxing the smooth muscle of the bladder neck and increasing peak urinary flow rates No data show that these agents influence the progression of the disease Surgical approaches ... Over 5 how often past month, the have you found it difficult to postpone urination? Over the past month, how often have you had a weak urinary stream? Over the (No (1 (2 (3 (4 (5 how often past ... regardless of the size of the gland, while those with an inability to urinate, gross hematuria, recurrent infection, or bladder stones may require surgery In patients with symptoms, uroflowmetry...

Ngày tải lên: 07/07/2014, 02:20

... Scholars and jurists of the period were aware of these possibilities, and an examination of some of their arguments as to the interpretation of the resolution illuminates the ways in which concepts of ... and development policy became the norm, and the collapse of the Berlin Wall and the end of the Cold War were taken to signal the ultimate triumph of capitalism and its decisive emergence as the ... contrary to the spirit and principles of the Charter of the United Nations and hinders the development of international economic cooperation and the maintenance of peace.54 Crucially, the same resolution...

Ngày tải lên: 05/08/2014, 22:20

... dispossessed of their land, killed and deprived of their culture The British claimed to be the first occupiers of Australia and this claim ‘was the moral and legal foundation for settlement of the continent’.53 ... to the appropriation of land It is not just a matter of land but also of destroyed or at least degraded cultures, and the loss, as Waldron himself recognises, of identity With the loss of land ... reached, and their suggestions are drawn from ‘Todorov’s idea of “nonviolent communication” and Nandy’s notion of a “dialogue of visions”.’ Both of these are concerned with the process of ‘othering’...

Ngày tải lên: 09/08/2014, 11:20

... into the epistemic formations that were the result of, among other things, the experience of colonialism The experience of the nation is an experience of struggle, of the threat of annihilation of ... because the mother does not leave the child and gently sways the cradle till the child falls asleep The duyan is of course always twinned with the lullaby and this of course recalls one of the most ... Osias and I had a friendly debate in a series of articles in the Manila Press over the question of whether or not the local vernacular should be used as the medium of instruction.” The name of the...

Ngày tải lên: 14/09/2015, 14:13

... the food stocks, and the mood of the garrison The tactics of the Daily Mail captured the attention of the nation; the newspaper dramatized the situation of the town by emphasizing the danger that ... examine both the role of the press in the formation of public opinion about imperialism and the role of the press in the formation of the concept of public opinion itself Mafeking Night marks the powerful ... powerful beginning of the New Journalism at the same time as it marks the beginning of the end of the New Imperialism The coincidence of these occasions arises from the nature of the South African...

Ngày tải lên: 21/09/2012, 10:54

... of individual, hand-to-hand combat Grand strategy, on the other hand, remained the preserve of Tiw.11 In India, too, much the same phenomenon was apparent in the role of Indra, the chief of the ... the mainstream of legal analysis, largely as a result of the crumbling of older conceptions of legitimacy and the rise of new aspirations for democracy and the self-determination of peoples The ... testimony both to the warlike character of the Greeks and to their feeling of cultural unity, the cities of the Amphictyonic League of Delphi agreed that, in the event of war, the combatant states...

Ngày tải lên: 21/09/2012, 11:02