A presentation from SpringOne (Dallas) 2014, the abstract was...
OK so everyone’s into big data but they’re usually talking about persistence, disk or more recently SSD, how about memory? We could simply add a few terabytes of RAM but even at $100 per GB that’s going to cost a LOT. What if we could reduce the size of the data by 50 fold and effectively bring the cost RAM down towards cost of disk? Keep Spring Integration, Spring Batch, GemFire in-memory cache, RabbitMQ messaging but reduce your data down to binary, yes bits and bytes rather than objects. Less garbage, less network overhead, same APIs but big-data in memory. John will show a Spring work-flow consuming 7.4kB XML messages, binding them to 25kB Java but storing them in just 450 bytes each, 10 million derivative contracts in-memory on a laptop.
These slides include some of the code that was demonstrated at the conference but you may find it easier to download it and other papers etc. from http://sdo.c24.biz
Turn your XML into binary - JavaOne 2014John Davies
Presented at JavaOne 2014 (San Francisco). The talk was about how Java bloats your data in the way that it uses memory, this severely hits performance, especially in distributed environments. John Davies walks though a new implementation of Java Architecture for XML Binding (JAXB) that uses a binary codec giving significant benefits in memory usage and performance (over an order of magnitude). More details and code can be found at http://sdo.c24.biz
Increasingly Java is being used to build applications that come with low-latency requirements. To meet this latency requirements developers have to have a deeper understanding of the JVM and the hardware so their code works in harmony with it. Recent trends in hard performance problems suggest the biggest challenge is dealing with memory pressure. This session demonstrates the memory cost of using XML parsers such as SAX and compares that with low-latency alternatives.
During the presentation (at JavaOne) John Davies & Kirk Pepperdine demonstrated processing of complex XML messages (7.4k FpML derivative trades which converted to Java using "classic" binding created 25k trades. The demonstration then compacted the 25k trades using C24's binary codec down to under 400 bytes, they then searched for random fields at over 21 million per second on a laptop. Zero objects were created during the search demonstrating the incredible performance that can be achieved with good optimisation. More code and papers can be found at http://sdo.c24.biz
Microservices to FastData in the Enterprise with Spring: John Davies at Sprin...C24 Technologies
John Davies, CTO of C24 Technologies, presented this talk on "Microservices to FastData in the Enterprise with Spring" at SpringOne2GX in Washington DC on the 17th September
JAX London 2015 - Architecting a Highly Scalable EnterpriseC24 Technologies
At JAX London, John took attendees on a journey where he explained that developers and architects need to consider the fundamentals if they want to design a truly scalable enterprise. That includes understanding the importance of network throughput, packet size, memory allocation and read write speeds. Only then can businesses deliver on a highly scalable architecture for a real-time data-driven future.
Turbocharging php applications with zend server (workshop)Eric Ritchie
Zend Server is best known for its robust monitoring toolset. But what good is a monitoring toolset if you don't have the tools to fix the issues that come up? In this tutorial we will go over how you can discover where performance issues are occuring in your application and how you can implement fixes using various performance features in our flagship product.
Turbocharging php applications with zend serverEric Ritchie
Zend Server is best known for its robust monitoring toolset. But what good is a monitoring toolset if you don't have the tools to fix the issues that come up? In this session we will go over how you can discover where performance issues are occuring in your application and how you can implement fixes using various performance features in our flagship product.
Wordnik's technical co-founder Tony Tam describes the reason for going NoSQL. During his talk Tony will discuss the selection criteria, testing + evaluation and successful, zero-downtime migration to MongoDB. Additionally details on Wordnik's speed and stability will be covered as well as how NoSQL technologies have changed the way Wordnik scales.
Turn your XML into binary - JavaOne 2014John Davies
Presented at JavaOne 2014 (San Francisco). The talk was about how Java bloats your data in the way that it uses memory, this severely hits performance, especially in distributed environments. John Davies walks though a new implementation of Java Architecture for XML Binding (JAXB) that uses a binary codec giving significant benefits in memory usage and performance (over an order of magnitude). More details and code can be found at http://sdo.c24.biz
Increasingly Java is being used to build applications that come with low-latency requirements. To meet this latency requirements developers have to have a deeper understanding of the JVM and the hardware so their code works in harmony with it. Recent trends in hard performance problems suggest the biggest challenge is dealing with memory pressure. This session demonstrates the memory cost of using XML parsers such as SAX and compares that with low-latency alternatives.
During the presentation (at JavaOne) John Davies & Kirk Pepperdine demonstrated processing of complex XML messages (7.4k FpML derivative trades which converted to Java using "classic" binding created 25k trades. The demonstration then compacted the 25k trades using C24's binary codec down to under 400 bytes, they then searched for random fields at over 21 million per second on a laptop. Zero objects were created during the search demonstrating the incredible performance that can be achieved with good optimisation. More code and papers can be found at http://sdo.c24.biz
Microservices to FastData in the Enterprise with Spring: John Davies at Sprin...C24 Technologies
John Davies, CTO of C24 Technologies, presented this talk on "Microservices to FastData in the Enterprise with Spring" at SpringOne2GX in Washington DC on the 17th September
JAX London 2015 - Architecting a Highly Scalable EnterpriseC24 Technologies
At JAX London, John took attendees on a journey where he explained that developers and architects need to consider the fundamentals if they want to design a truly scalable enterprise. That includes understanding the importance of network throughput, packet size, memory allocation and read write speeds. Only then can businesses deliver on a highly scalable architecture for a real-time data-driven future.
Turbocharging php applications with zend server (workshop)Eric Ritchie
Zend Server is best known for its robust monitoring toolset. But what good is a monitoring toolset if you don't have the tools to fix the issues that come up? In this tutorial we will go over how you can discover where performance issues are occuring in your application and how you can implement fixes using various performance features in our flagship product.
Turbocharging php applications with zend serverEric Ritchie
Zend Server is best known for its robust monitoring toolset. But what good is a monitoring toolset if you don't have the tools to fix the issues that come up? In this session we will go over how you can discover where performance issues are occuring in your application and how you can implement fixes using various performance features in our flagship product.
Wordnik's technical co-founder Tony Tam describes the reason for going NoSQL. During his talk Tony will discuss the selection criteria, testing + evaluation and successful, zero-downtime migration to MongoDB. Additionally details on Wordnik's speed and stability will be covered as well as how NoSQL technologies have changed the way Wordnik scales.
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Slides from the second meeting of the Toronto High Scalability Meetup @ http://www.meetup.com/toronto-high-scalability/
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My talk for JavaOne 2009
Abstract:
Writing concurrent programs in the Java programming language is hard, and writing correct concurrent programs is even harder. What should be noted is that the main problem is not concurrency itself but the use of mutable shared state. Reasoning about concurrent updates to, and guarding of, mutable shared state is extremely difficult. It imposes problems such as dealing with race conditions, deadlocks, live locks, thread starvation, and the like.
It might come as a surprise to some people, but there are alternatives to so-called shared-state concurrency (which has been adopted by C, C++, and the Java programming language and become the default industry-standard way of dealing with concurrency problems).
This session discusses the importance of immutability and explores alternative paradigms such as dataflow concurrency, message-passing concurrency, and software transactional memory. It includes a pragmatic discussion of the drawbacks and benefits of each paradigm and, through hands-on examples, shows you how each one, in its own way, can raise the abstraction level and give you a model that is much easier to reason about and use. The presentation also shows you how, by choosing the right abstractions and technologies, you can make hard concurrency problems close to trivial. All discussions are driven by examples using state-of-the-art implementations available for the JVM machine.
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See also http://www.meetup.com/Docker-San-Diego/events/221128898/ and http://www.meetup.com/Docker-Orange-County/events/221129001/
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Kris De Volder, Pivotal; Martin Lippert, Pivotal
"In this session we will unveil a new generation of Spring tools. These new tools, which are mostly built from scratch, will not only include the next generation of the Spring Tool Suite (for Eclipse) called STS4, but will feature new and lightweight editor-centric alternatives, for editors such as Atom and Visual Studio Code. In each environment the new tools make it easier to develop Spring Boot applications, deploy applications to Cloud Foundry, develop CI pipelines for those apps, and more.
In this session we will show all of these in action using live coding. The session will include writing, running, testing, and debugging Spring boot applications using Spring Tool Suite, Eclipse, Atom, and Visual Studio Code. We will live code a CI pipeline for them, deploy them to Cloud Foundry, and see how running applications feed information back into your coding environment to further help you understand, debug, and develop your Spring Boot applications.
We will also look at the underlying technology that enables us to create tooling just once and make it available easily across a variety of editors and IDEs."
Garbage Collection is an integral part of application behavior on Java platforms, yet it is often misunderstood. As such, it is important for Java developers to understand the actions you can take in selecting and tuning collector mechanisms, as well as in your application architecture choices. Azul Product Manager Matt Schuetze describes the different collectors available and how to choose.
How Open Source / Open Technology Could Help On Your ProjectWan Leung Wong
ITFest 2014, Seminar on Free & OSS in HK
How Open Source / Open Technology Could Help On Your Project?
A talk brief to talk about how to use open source or open technology to help on start a new project. How to choose technology, and what should people to concern on.
The Perils and Triumphs of using Cassandra at a .NET/Microsoft ShopJeff Smoley
NativeX recently transitioned a large portion of their backend infrastructure from Microsoft SQL Server to Apache Cassandra. Check out our story about how we were successful at getting our .NET web apps to reliably connect to Cassandra. Learn about FluentCassandra, Snowflake, Hector, and IKVM. It's a story of struggle and perseverance, where everyone lives happily ever after.
Slides from the second meeting of the Toronto High Scalability Meetup @ http://www.meetup.com/toronto-high-scalability/
-Basics of High Scalability and High Availability
-Using a CDN to Achieve 99% Offload
-Caching at the Code Layer
State: You're Doing It Wrong - Alternative Concurrency Paradigms For The JVMJonas Bonér
My talk for JavaOne 2009
Abstract:
Writing concurrent programs in the Java programming language is hard, and writing correct concurrent programs is even harder. What should be noted is that the main problem is not concurrency itself but the use of mutable shared state. Reasoning about concurrent updates to, and guarding of, mutable shared state is extremely difficult. It imposes problems such as dealing with race conditions, deadlocks, live locks, thread starvation, and the like.
It might come as a surprise to some people, but there are alternatives to so-called shared-state concurrency (which has been adopted by C, C++, and the Java programming language and become the default industry-standard way of dealing with concurrency problems).
This session discusses the importance of immutability and explores alternative paradigms such as dataflow concurrency, message-passing concurrency, and software transactional memory. It includes a pragmatic discussion of the drawbacks and benefits of each paradigm and, through hands-on examples, shows you how each one, in its own way, can raise the abstraction level and give you a model that is much easier to reason about and use. The presentation also shows you how, by choosing the right abstractions and technologies, you can make hard concurrency problems close to trivial. All discussions are driven by examples using state-of-the-art implementations available for the JVM machine.
Docker on a laptop is easy, but Docker in the cloud is hard. What makes that transition so hard, and what can we do about it? How does this challenge affect the hosting infrastructure and application design? Casey will share lessons learned so far and further questions uncovered in Joyent’s work to build support for Docker in public and private cloud environments.
See also http://www.meetup.com/Docker-San-Diego/events/221128898/ and http://www.meetup.com/Docker-Orange-County/events/221129001/
Apache Spark is one of the most exciting, active, and talked about ASF projects today, but how should Spring developers and enterprise architects view it? Is it the second coming of the Bean spec, or just another shiny distraction? This talk will introduce Spark and its core concepts, the ecosystem of services on top of it, types of problems it can solve, similarities and differences from Hadoop, integration with Spring XD, deployment topologies, and an exploration of uses in enterprise. Concepts will be illustrated with several demos covering: the programming model with Spring/Java8, development experience, “realistic” infrastructure simulation with local virtual deployments, and Spark cluster monitoring tools.
SpringOne Platform 2017
Kris De Volder, Pivotal; Martin Lippert, Pivotal
"In this session we will unveil a new generation of Spring tools. These new tools, which are mostly built from scratch, will not only include the next generation of the Spring Tool Suite (for Eclipse) called STS4, but will feature new and lightweight editor-centric alternatives, for editors such as Atom and Visual Studio Code. In each environment the new tools make it easier to develop Spring Boot applications, deploy applications to Cloud Foundry, develop CI pipelines for those apps, and more.
In this session we will show all of these in action using live coding. The session will include writing, running, testing, and debugging Spring boot applications using Spring Tool Suite, Eclipse, Atom, and Visual Studio Code. We will live code a CI pipeline for them, deploy them to Cloud Foundry, and see how running applications feed information back into your coding environment to further help you understand, debug, and develop your Spring Boot applications.
We will also look at the underlying technology that enables us to create tooling just once and make it available easily across a variety of editors and IDEs."
Garbage Collection is an integral part of application behavior on Java platforms, yet it is often misunderstood. As such, it is important for Java developers to understand the actions you can take in selecting and tuning collector mechanisms, as well as in your application architecture choices. Azul Product Manager Matt Schuetze describes the different collectors available and how to choose.
How Open Source / Open Technology Could Help On Your ProjectWan Leung Wong
ITFest 2014, Seminar on Free & OSS in HK
How Open Source / Open Technology Could Help On Your Project?
A talk brief to talk about how to use open source or open technology to help on start a new project. How to choose technology, and what should people to concern on.
Mapping Life Science Informatics to the CloudChris Dagdigian
Infrastructure cloud platforms such as those offered by Amazon Web Services are not designed and built with scientific research as the primary use case. These presentation slides cover the current state of mapping life science research and HPC technique onto “the cloud” and how to work around the common engineering, orchestration and data movement problems.
[Note: I've replaced the 2011 version of this talk deck with a slightly updated version as delivered at the AIRI Petabyte Challenge Meeting]
Practical resource monitoring with munin (English editon)Masahito Zembutsu
Hello. I'm @zembutsu. I work in a server hosting company in Japan. I am a solution engineer, and I am in charge of server and network operation mainly.
So, as for my presentation, it is a resource monitoring tool about Munin.
original version is here ( in Japanese )
http://www.slideshare.net/zembutsu/practical-resource-monitoring-with-munin
Munin User Group Japan http://munin.jp/
Masahito Zembutsu @zembutsu
September 8, 2012 OpenSource Conference 2012 Tokyo/Fall, Japan (#osc12tk)
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👉👉 Click Here To Get More Info 👇👇
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