high_scalability high_scalability-2009 high_scalability-2009-555 knowledge-graph by maker-knowledge-mining
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Introduction: Want your apps to run faster? Here’s what not to do. By: Bart Smaalders, Sun Microsystems. Performance Anti-Patterns: - Fixing Performance at the End of the Project - Measuring and Comparing the Wrong Things - Algorithmic Antipathy - Reusing Software - Iterating Because That’s What Computers Do Well - Premature Optimization - Focusing on What You Can See Rather Than on the Problem - Software Layering - Excessive Numbers of Threads - Asymmetric Hardware Utilization - Not Optimizing for the Common Case - Needless Swapping of Cache Lines Between CPUs For more detail go there
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same-blog 1 1.0 555 high scalability-2009-04-04-Performance Anti-Pattern
Introduction: Want your apps to run faster? Here’s what not to do. By: Bart Smaalders, Sun Microsystems. Performance Anti-Patterns: - Fixing Performance at the End of the Project - Measuring and Comparing the Wrong Things - Algorithmic Antipathy - Reusing Software - Iterating Because That’s What Computers Do Well - Premature Optimization - Focusing on What You Can See Rather Than on the Problem - Software Layering - Excessive Numbers of Threads - Asymmetric Hardware Utilization - Not Optimizing for the Common Case - Needless Swapping of Cache Lines Between CPUs For more detail go there
Introduction: The reference configurations described in this blueprint are starting points for building Sun Customer Ready HPC Clusters configured with Sun Fire X2100 M2 and X2200 M2 servers. The configurations define how Sun Systems Group products can be configured in a typical grid rack deployment. This document describes configurations in detail using Sun Fire X2100 M2 and X2200 M2 servers with a Gigabit Ethernet data fabric, as well as configurations using Sun Fire X2200 M2 servers with a high-speed InfiniBand fabric. These configurations focus on single rack solutions, with external connections through uplink ports of the switches. These reference configurations have been architected using Sun's expertise gained in actual, real-world installations. Within certain constraints, as described in the later sections, the system can be tailored to the customer needs. Certain system components described in this document are only available through Sun's factory integration. Although the information
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Introduction: One of the key items Sun will be talking about in today's cloud computing announcement (at 9AM EST/6AM PST) will be Sun's opening of the APIs that we'll use for the Sun Cloud. We're making these available so that those who are interested will be able to review and comment on these APIs. Continuing our commitment to openness, we're making these APIs available via the Creative Commons Version 3.0 license. ...
Introduction: Michael Stonebraker sure knows how to stir up a storm. Unlike for others, that doesn't make him a troll in my mind, he's way too accomplished in the field to be that, but he does have a bit of Barnum & Bailey in him, which serves to get the discussion flowing, and that's a good thing. A lot of previously hidden wisdom and passion unlocks, which we'll try to capture here. This disturbance in the force is over OldSQL vs NoSQL vs NewSQL . Warning, these are not crisp categories, there's leakage all over the place, watch your step: OldSQL (Oracle, MySQL, etc) refers to what some want to term as legacy relational database like MySQL, that don't scale out horizontally with aplomb. NoSQL (CouchDB, Redis, Cassandra, HBase, MongoDB, Riak, Neo4j, etc) refers to, well, a collection of technologies that aren't OldSQL, these often are designed to scale out horizontally, aren't on ACID, and use schemaless non-relational datamodels. NewSQL (Xeround, Clustrix, NimbusDB, GenieDB, Sc
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Introduction: As individuals and businesses depend on the Web more than ever to conduct business, rapid and reliable content retrieval is critical. Reducing wait time improves productivity and increases user satisfaction. Web proxy technology has emerged as an effective solution to improve performance, help ensure content availability and enhance network security by caching and filtering Web content. The combination of Sun SPARC Enterprise servers with CoolThreads technology and the Sun Java System Web Proxy Server software provides a compelling foundation for a robust Web proxy solution. Sun SPARC Enterprise T1000 and T2000 servers include the UltraSPARC T1 processor with CoolThreads technology, offering six or eight cores with four threads per core. The Sun Java System Web Proxy Server software is highly threaded and takes advantage of the large number of threads supported by Sun UltraSPARC T1 processors with CoolThreads technology. Together, these products provide a highly scalable solution that
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same-blog 1 0.94364929 555 high scalability-2009-04-04-Performance Anti-Pattern
Introduction: Want your apps to run faster? Here’s what not to do. By: Bart Smaalders, Sun Microsystems. Performance Anti-Patterns: - Fixing Performance at the End of the Project - Measuring and Comparing the Wrong Things - Algorithmic Antipathy - Reusing Software - Iterating Because That’s What Computers Do Well - Premature Optimization - Focusing on What You Can See Rather Than on the Problem - Software Layering - Excessive Numbers of Threads - Asymmetric Hardware Utilization - Not Optimizing for the Common Case - Needless Swapping of Cache Lines Between CPUs For more detail go there
Introduction: The reference configurations described in this blueprint are starting points for building Sun Customer Ready HPC Clusters configured with Sun Fire X2100 M2 and X2200 M2 servers. The configurations define how Sun Systems Group products can be configured in a typical grid rack deployment. This document describes configurations in detail using Sun Fire X2100 M2 and X2200 M2 servers with a Gigabit Ethernet data fabric, as well as configurations using Sun Fire X2200 M2 servers with a high-speed InfiniBand fabric. These configurations focus on single rack solutions, with external connections through uplink ports of the switches. These reference configurations have been architected using Sun's expertise gained in actual, real-world installations. Within certain constraints, as described in the later sections, the system can be tailored to the customer needs. Certain system components described in this document are only available through Sun's factory integration. Although the information
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Introduction: One of the key items Sun will be talking about in today's cloud computing announcement (at 9AM EST/6AM PST) will be Sun's opening of the APIs that we'll use for the Sun Cloud. We're making these available so that those who are interested will be able to review and comment on these APIs. Continuing our commitment to openness, we're making these APIs available via the Creative Commons Version 3.0 license. ...
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Introduction: The following technical Webinar could be of interest to the community. WHO: Farhan "Frank" Mashraqi, Director of Business Operations and Technical Strategy, Fotolog Inc Monty Taylor, Senior Consultant, Sun Microsystems Jimmy Guerrero, Sr Product Marketing Manager, Sun Microsystems - Database Group WHAT: Designing and Implementing Scalable Applications with Memcached and MySQL web presentation. WHEN: Thursday, May 29, 2008, 10:00 am PST, 1:00 pm EST, 18:00 GMT The presentation will be approximately 45 minutes long followed by Q&A.; Check out the details here !
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Introduction: Jumping around the social mediasphere, it's not uncommon to feel the heat generated in praise of a favorite this or that over all the clearly inferior alternatives. Whilst human nature may never cool, I think Old Will had some insight worth considering the next time a flame threatens to flicker forth: My mistress' eyes are nothing like the sun (Sonnet 130) My mistress' eyes are nothing like the sun; Coral is far more red than her lips' red ; If snow be white, why then her breasts are dun; If hairs be wires, black wires grow on her head. I have seen roses damask, red and white, But no such roses see I in her cheeks; And in some perfumes is there more delight Than in the breath that from my mistress reeks. I love to hear her speak, yet well I know That music hath a far more pleasing sound; I grant I never saw a goddess go; My mistress, when she walks, treads on the ground: And yet, by heaven, I think my love as rare As any she belied with false compare. –Willia
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same-blog 1 0.90984797 555 high scalability-2009-04-04-Performance Anti-Pattern
Introduction: Want your apps to run faster? Here’s what not to do. By: Bart Smaalders, Sun Microsystems. Performance Anti-Patterns: - Fixing Performance at the End of the Project - Measuring and Comparing the Wrong Things - Algorithmic Antipathy - Reusing Software - Iterating Because That’s What Computers Do Well - Premature Optimization - Focusing on What You Can See Rather Than on the Problem - Software Layering - Excessive Numbers of Threads - Asymmetric Hardware Utilization - Not Optimizing for the Common Case - Needless Swapping of Cache Lines Between CPUs For more detail go there
Introduction: Abstract: When designing distributed web services, there are three properties that are commonly desired: consistency, availability, and partition tolerance. It is impossible to achieve all three. In this note, we prove this conjecture in the asynchronous network model, and then discuss solutions to this dilemma in the partially synchronous model.
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Introduction: NetApp MetroCluster Software Cost-effective is an integrated high-availability storage cluster and site failover capability. NetApp MetroCluster is an integrated high-availability and disaster recovery solution that can reduce system complexity and simplify management while ensuring greater return on investment. MetroCluster uses clustered server technology to replicate data synchronously between sites located miles apart, eliminating data loss in case of a disruption. Simple and powerful recovery process minimizes downtime, with little or no user action required. At one company I worked at they used the NetApp snap mirror feature to replicate data across long distances to multiple datacenters. They had a very fast backbone and it worked well. The issue with NetApp is always one of cost, but if you can afford it, it's a good option.
4 0.49892575 1483 high scalability-2013-06-27-Paper: XORing Elephants: Novel Erasure Codes for Big Data
Introduction: Erasure codes are one of those seemingly magical mathematical creations that with the developments described in the paper XORing Elephants: Novel Erasure Codes for Big Data , are set to replace triple replication as the data storage protection mechanism of choice. The result says Robin Harris (StorageMojo) in an excellent article, Facebook’s advanced erasure codes : "WebCos will be able to store massive amounts of data more efficiently than ever before. Bad news: so will anyone else." Robin says with cheap disks triple replication made sense and was economical. With ever bigger BigData the overhead has become costly. But erasure codes have always suffered from unacceptably long time to repair times. This paper describes new Locally Repairable Codes (LRCs) that are efficiently repairable in disk I/O and bandwidth requirements: These systems are now designed to survive the loss of up to four storage elements – disks, servers, nodes or even entire data centers – without losing
5 0.45787078 1097 high scalability-2011-08-12-Stuff The Internet Says On Scalability For August 12, 2011
Introduction: Submitted for your scaling pleasure, you may not scale often, but when you scale, please drink us: Quotably quotable quotes: @mardix : There is no single point of truth in #NoSQL . #Consistency is no longer global, it's relative to the one accessing it. #Scalability @kekline : RT @CurtMonash: "...from industry figures, Basho/Riak is our third-biggest competitor." How often do you encounter them? "Never have" #nosql @dave_jacobs : Love being in a city where I can overhear a convo about Heroku scalability while doing deadlifts. #ahsanfrancisco @satheeshilu : Doctor at #hospital in india says #ge #healthcare software is slow to handle 100K X-rays an year.Scalability is critical 4 Indian #software @sufw : How can it be possible that Tagged has 80m users and I have *never* heard of it!?! @EventCloudPro : One of my vacation realizations? Whole #bigdata thing has turned into a lotta #bighype - many distinct issues & nothing to do w/ #bigdata No
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