Target the parts of your applications that take the most time, by Martyn Honeyford "Improving the performance of your applications is rarely a wasted effort, but it's not always clear which functions the program is spending most of its execution time on. Learn how to pinpoint performance bottlenecks using gprof for both user-space and system calls on Linux®."
The CLEVER search engine incorporates several algorithms that make use of the Web's hyperlink structure for discovering high-quality information. It can be exceedingly difficult to locate resources on the World Wide Web that are both high-quality and relevant to a user's informational needs. Traditional automated search methods for locating information on the Web are easily overwhelmed by low-quality and unrelated content. Second generation search engines have to have effective methods for focusing on the most authoritative documents. The rich structure implicit in hyperlinks among Web documents offers a simple, and effective, means to deal with many of these problems. Additional Information: Publications:
development of self-healing systems capable of making inferences about their own behavior, such as diagnosing faults and performance degradations. uses a cost-efficient technique for adaptive diagnosis that combines probabilistic inference with online, active selection of the most-informative measurements called probes. Probes are end-to-end test transactions that collect information about the availability and performance of a distributed system. Given the probe results (symptoms), RAIL performs Bayesian inference in order to find the most likely explanation (cause), An important difference between RAIL's approach and ''passive'' data analysis is in RAIL's ability to select and execute probes online. This approach, called active probing, uses an information-theoretic criterion called information gain in order to select adaptively only a small set of the most informative probes at any given time; this approach significantly reduces the overall number of probes required
This free tool gives you a huge amount of information all on one screen. Even though IBM doesn't officially support the tool and you must use it at your own risk, you can get a wealth of performance statistics. Why use five or six tools when one free tool can give you everything you need?
So schreibt z.B. ein Nutzer (leider ohne Quellenangabe, anscheinend aus dem Buch Aufbrechen: warum wir eine Exzellenzgesellschaft werden müssen von Gunter Dueck)
Interessant: “Die IBM-Bibliothek ist abgeschafft worden. Man hat berechnet, dass die meisten Bücher nie angefasst werden. Es ist billiger, sich Bücher bei Bedarf von Amazon schicken zu lassen, und zwar jedes einzelne Mal, wenn man in ein Buch schauen will. [...] Allein die Bibliothekarin kostet mehr als alle Amazon-Rechnungen zusammengenommen.”
Ich schreibe eigentlich gar nichts direkt in Facebook, meine Einträge werden aus verschieden Quellen bei Friendfeed gesammelt und das Ergebnis in Facebook aggregiert. Allerdings muss man dann auf Friendfeed die Quellen entsprechend zusammenstellen
Marin Komadina examines DB2 backup techniques with the Tivoli Storage Manager (TSM) Application programming interface (API) on the Sun Solaris operating system.
Learn to use IBM Tivoli family of products to perform day-to-day DB2 UDB administration tasks, such as performing database backups and monitoring your database, as well as managing the rest of your distributed environment.
IBM wurde in den USA ein Patent auf die Auflösung von Abkürzungen in elektronischen Kommunikationssystemen zugesprochen. Das in dem Patent beschriebene System kann
"For a while now, IBM has had multiple and competing tools for managing AIX and Linux clusters for its supercomputer customers and yet another set of tools that were used for other HPC setups with a slightly more commercial bent to them. But Big Blue has now cleaned house, killing off its closed-source Cluster Systems Management (CSM) tool and tapping its own open source Extreme Cluster Administration Toolkit (known as xCAT) as its replacement."
IBM's future Power7 chip may be just about done as far as the engineering is concerned, and its server designs might also be more or less completed as well. But there is plenty of time yet to tweak the boxes, and I doubt very much that the final packaging and pricing for the future Power7 machinery is anywhere close to being set. Which is a pity, really.
Houve um momento, em torno de 2006 e 2007 que os mundos virtuais, principalmente o Second Life, estavam “bombando”. O Second Life saía nas capas de revistas, pipocavam seminários por toda a parte, todos diziam que “estavam” ou pretendiam “estar” no Second Life. Em 2008 este frenesi começou a arrefecer e hoje quase não se fala mais no Second Life. Sinal que acabou? Não, os mundos virtuais continuam evoluindo, não mais nas capas de revistas, mas em iniciativas empresariais mais consistentes. secondlife virtualworlds
There's a lot more to text manipulation than cut and paste, particularly when you aren't using a GUI. Study for the Linux Professional Institute Certification (LPIC) 101 exam, or learn for fun. In this article, Ian Shields introduces you to text manipulation on Linux using filters from the GNU textutils package. By the end of this article, you will be manipulating text like an expert.
Mit einem dreitägigen IdeaJam sucht IBM nach neuen Ideen, die Lotus-Produkte zu vermarkten. Umgesetzt werden sollen die besten Ideen dann in einer 24-monatigen Kampagne.
Virtual Bridges partners with IBM and Canonical for Microsoft-free “Desktops in the Cloud” This groundbreaking partnership combines the most popular Linux distribution, Ubuntu, with the IBM suite of enterprise-class applications and services, including Symphony, Sametime and Notes, together with Virtual Bridges’ end-to-end, top-to-bottom pure Linux-based VDI offering, VERDE (Virtual Enterprise Remote Desktop Environment).
J. Weerasinghe, F. Abel, C. Hagleitner, und A. Herkersdorf. Ubiquitous Intelligence and Computing and 2015 IEEE 12th Intl Conf on Autonomic and Trusted Computing and 2015 IEEE 15th Intl Conf on Scalable Computing and Communications and Its Associated Workshops (UIC-ATC-ScalCom), 2015 IEEE 12th Intl Conf on, Seite 1078--1086. IEEE, (2015)