Hands-on Performance Workshop - The science of performance
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Mike presented this Hands-on workshop at JAX London, 2014. Mike outlines the environment setup and discusses performance overview, collecting data and how to interpret the data. If you would like any more information, feel free to comment and Mike will get back to you.
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This session is Platform Agnostic; whether you use PAAS, shared hosting, or wield your own hardware, PMs, developers, and clients will leave with new tools in their belt to launch with less agita. We will share some of our challenges and how we overcame them, and hopefully hear from you about how you overcame yours!
From Pilot to Product - Morning@Lohika
This document provides an overview of moving a pilot project to a product. It discusses the core product, initial pilot architecture including being multitenant with all business logic in Java, the development process using Scrum and Agile methodologies, code reviews, mistakes made and lessons learned, and successfully launching the product with unexpected demand. Key technologies discussed include Java, Spring, MySQL, RabbitMQ, Logstash, Metrics, Thymeleaf, AngularJS, JBehave, and Amazon S3.
Application Profiling for Memory and Performance
This document discusses application profiling for memory and performance. It describes how to measure contention in CPU, memory, disk I/O, and network I/O as concurrency increases. It recommends performance tuning by identifying bottlenecks and shifting them through parameter tweaking and code profiling. Common issues like classcast exceptions, permgen errors, deadlocks, nullpointers, and outofmemoryexceptions can be addressed through profiling tools like JProfiler, Eclipse Memory Analyzer, and JConsole. The document provides examples of how WSO2 uses profiling to optimize products like the Identity Server for low-memory environments and Raspberry Pi clusters.
The Diabolical Developers Guide to Performance Tuning
This talk covers both the methodology and the tooling on how to diagnose root cause's of bottlenecks in Java/JVM systems
Profiling and Tuning a Web Application - The Dirty Details
Achievers' own Kaelen Proctor talks about different ways to profile and tune a web application for the best performance possible.
SQL Explore 2012: P&T Part 1
Predicates allow filtering events based on:
- Event properties (fields)
- Session properties
- System properties
They are evaluated synchronously when the event fires. This allows filtering events and reducing overhead compared to capturing all events.
Common predicates:
- event_name = 'sql_statement_completed'
- database_id = 5
- cpu_time > 1000
Predicates give granular control over what events are captured.
Slides for the Apache Geode Hands-on Meetup and Hackathon Announcement
This document provides an agenda for a hands-on introduction and hackathon kickoff for Apache Geode. The agenda includes details about the hackathon, an introduction to Apache Geode including its history and key features, a hands-on lab to build, run, and use Geode, and a Q&A session. It also outlines how to contribute to the Geode project through code, documentation, issue tracking, and mailing lists.
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Control and monitor_microservices_with_microprofile
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DockerCon Europe 2018 Monitoring & Logging Workshop
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Slides for the Apache Geode Hands-on Meetup and Hackathon Announcement
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Advanced queries on the Infinispan Data Grid
Infinispan isn't just a scalable key/value grid platform: it simplifies execution of distributed query tasks in Map/Reduce style, and it integrates a powerful indexing engine to run full-text searches and efficiently extract information from your largest data collections.
Infinispan's search engine is built around on Apache Lucene and directly exposes the Lucene API to its users to build powerful search applications which run on data sets residing in-memory.
In this talk Navin - author of the Infinispan Query module - will demonstrate how you can leverage the strength of full-text queries to efficiently perform searches on your data.
Through the JMX Window
Slides by Matt Brasier, Principal Consultant at C2B2, from the Hands on Lab delivered at the JavaOne 2014 conference.
ABOUT HOL:
This session will demonstrate the depth and breadth of the information available via the JMX API. We will tools that come with the JDK to peer deep into the workings of the JVM and understand how to identify and solve common performance bottlenecks or other problems. Attendees will get examples of using tools like VisualVM and Jstat to interrogate the JVM, and how to interpret the data returned, and learn how to add JMX instrumentation to their own applications and expose this to monitoring tools.
This will be a session that allows attendees to understand the power available to them in some of the overlooked core JVM features The session will use a combination of slides and examples that the attendees can code-along with on their own laptops, and will focus on what JMX is, how it works, and also how you can expose your own application MBeans and use these to monitor the application. In my work as a Java performance consultant, I have found that JMX and the basic JVM tooling that uses it, is not understood by developers, so this session is about raising awareness of these tools and allowing developers to get inside the JVM and their application to understand how it works (and write better code). In my experience, once developers understand the power of JMX and VisualVM, they find it very interesting, and often the best way to demonstrate it is by allowing people to work with it. The fact that the base JDK is all that is required to demonstrate this means that there are few pre-requisites for this session, and because it is based on a low level technology, it is of interest to people working on all aspects of Java. I think this could make popular talk which will help developers understand the magic and power behind the Java Virtual Machine.
Building WebLogic Domains With WLST
WLST is a scripting tool that allows automation of WebLogic domain configuration and management. Key benefits of using WLST to automate domain builds include consistency across environments, the ability to quickly build new environments, facilitating disaster recovery, and maintaining consistency over time. The main steps in automating domain builds are installing software silently, creating the base domain configuration from a template or existing domain using WLST scripts, and further customizing the domain configuration with additional WLST scripts.
Jsr107 come, code, cache, compute!
Slides from the JavaOne tutorial on JSR107 showing JSR107 basic code for cache access, Event Handling and Compute with Entry Processors
JBoss Clustering on OpenShift
Lightning Talk by Arvind Anandam (C2B2 Senior Consultant) delivered at the London JBoss User Group event on the 4th of December
Dr. Low Latency or: How I Learned to Stop Worrying about Pauses and Love the ...
Presented by Jaromir Hamala, C2B2 Senior Consultant, at JDays Conference on the 27th of November 2013.
Cheap RAM means we can use more memory than an average disk size was not that long time ago. It's very tempting to increase size of our JVM heap and store more data in-memory. As always, there is a trade-off: Large heaps lead to higher latencies due to Garbage Collector overhead. This session will show different strategies for accessing off-heap memory and using the advantage of large RAM without paying the performance penalty.
Through the JMX Window
Presentation delivered by Matt Brasier at DOAG German Oracle User Group Conference in Nuremberg, 19-21 November 2013.
This lab will demonstrate the depth and breadth of the information available via the JMX API. We will use the JVM tools to peer deep into the workings of the JVM and understand how to identify and solve common performance bottlenecks. Attendees will get hands-on experience of using tools like VisualVM and Jstat to interrogate the JVM, and how to interpret the data returned.
This lab will be a hands-on session that allows attendees to understand the power available to them in some of the overlooked core JVM tools (jstack, jstat, visualvm). The session will use a combination of slides and examples that the attendees can code-along with on their own laptops, and will focus primarily on how the tools can be used to identify performance bottlenecks, although we will also look at how you can expose your own application MBeans and use these to monitor the application. In my work as a Java performance consultant, I have found that JMX and the basic JVM tooling that uses it, is not understood by developers, so this session is about raising awareness of these tools and allowing developers to get inside the JVM and their application to understand how it works (and write better code). In my experience, once developers understand the power of JMX and VisualVM, they find it very interesting, and often the best way to demonstrate it is by allowing people to work with it. The fact that the base JDK is all that is required to demonstrate this means that there are few pre-requisites for this session, and because it is based on a low level technology, it is of interest to people working on all aspects of Java. I think this could make popular talk which will help developers understand the magic and power behind the Java Virtual Machine.
Oracle Coherence & WebLogic 12c Web Sockets: Delivering Real Time Push at Scale
Presentation delivered by Steve Millidge at DOAG German Oracle User Group Conference in Nuremberg, 19-21 November 2013.
The real time web is coming with Websockets in HTML 5. The big question is how to deliver event driven architectures for websockets at scale. This session delivered by a member of the JSR 347 Data Grids expert group provides an insight on how combining Oracle Coherence with the new Websockets support in WebLogic 12c can deliver enterprise scale push to web devices. The session first provides an introduction to websockets and delves into typical Oracle Coherence architectures and how they deliver linear scalability and high availability. We then look at the event capabilities inherent in Oracle Coherence that when hooked up to the new WebLogic 12c Web Sockets server can deliver Coherence grid updates in real time to HTML 5 devices.
The presentation will be a mixture of of animated graphical slides depicting how WebLogic Web Sockets and Oracle Coherence work, combined with code snippets. We will then provide a demo hosted on amazon EC2 of the described architecture for delegates to browse to and interact with to show the capabilities of websockets on their devices. Demos will again use Oracle Coherence and WebLogic 12c.
Java Middleware Surgery
During this half hour webinar, C2B2's Expert Middleware Support team reviews real world customer problems we see in production JBoss, WebLogic, Tomcat or GlassFish environments. This overview will help you understand how to deal with server slowdown issues, out of memory errors, problematic JMS and more.
If you have any questions to our support team, please don't hesitate to contact us - please send your questions and feedback to webinar@c2b2.co.uk.
Please note that we can only answer the questions related to the following products: http://www.c2b2.co.uk/supported_products
Jax London 2013
Fast Data: Parallel Processing on the Grid.
You may think of in-memory datagrids as a big cache, a key value store accessed using put and get. However to really reap the power and scale of modern data grids you need to move beyond cache semantics and turn your architecture on its head. Moving the processing to the data rather than pulling the data across the grid massively increases parallelism and reduces network latency, leading to huge increases in throughput. In this session, we will explore why traditional cache semantics sometimes struggles to scale and how through using parallel processing and event processing on the grid we can rearchitect our systems for massive scalability and utilise all our grid cores for parallel processing.
'Deploying with GlassFish & Docker'
'Deploying with GlassFish & Docker' by Shanny Anoep, Senior Consultant at C2B2. Lightening talk delivered at the first London GlassFish User Group (GUG) event on the 18th of September 2013.
'JMS @ Data Grid? Hacking the Glassfish messaging for fun & profit'
This document discusses how Glassfish can be used for hacking and experimenting. It describes how the author used Glassfish along with Hazelcast and a JMS wrapper to create a demo that implements a JMS broker backed by a Hazelcast data grid. The author notes that Glassfish is hacker friendly due to its modular architecture and Java EE standards. Some areas that could be improved in Glassfish are mentioned, such as providing more descriptive error messages and making the source code available outside of SVN.
'New JMS features in GlassFish 4.0' by Nigel Deakin
Presentation by Nigel Deakin (Oracle) delivered at the first London GlassFish User Group (GUG) event on the 18th of September 2013.
GlassFish 4.0 is the application server to support the new Java EE 7 standard. One of the most significant components of Java EE 7 is JMS 2.0, which is the first revision to the JMS (Java Message Service) API for over a decade and which introduces a new and much simpler API. This talk will review the new features of JMS 2.0 and other recent messaging-related changes in GlassFish 4.0.
Coherence sig-nfr-web-tier-scaling-using-coherence-web
This document summarizes the non-functional benefits of scaling web applications using Coherence*Web for HTTP session management. It discusses how Coherence*Web provides redundancy, high availability, independent scaling of application and session tiers, and reduced latency through use of a local near cache. It also describes different session models (traditional, monolithic, split) and how attribute scoping can be configured to isolate or share sessions across applications.
JUDCon 2013- JBoss Data Grid and WebSockets: Delivering Real Time Push at Scale
JUDCon 2013 Presentation by Mark Addy, C2B2 Senior Consultant- JBoss Data Grid and WebSockets: Delivering Real Time Push at Scale
The real time web is coming with WebSockets in HTML 5. The big question is how to deliver event driven architectures for WebSockets at scale. This session delivered by the experienced middleware consultant provides an insight on how combining JBoss Data Grid with WebSockets can deliver enterprise scale push to web devices. The session first provides an introduction to WebSockets and delves into typical JBoss Data Grid architectures and how they deliver linear scalability and high availability. We then look at the event capabilities inherent in JBoss Data Grid that when hooked up to a WebSockets server can deliver data grid updates in real time to HTML 5 mobile devices.
GeeCon- 'www.NoSQL.com' by Mark Addy
'www.NoSQL.com' by Mark Addy
The talk, split into two sections and drawing from a real implementation covers potential NoSQL architectures and the features they offer in the quest to reach the Holy Grail AKA linear scalability. First we examine an existing traditional replicated cache running at full capacity and how replacement with a distributed solution allowed the application to scale dramatically with a performance improvement to boot. Secondly we look at one of the pitfalls of distributed caching and how, using an essential tool from the Data Grid functionality armory, namely grid-execution we can provide massive scale out and low latencies. Both parts describe a real-world implementation delivered for a global on-line travel agency using Infinispan. Level: All levels, the talk is aimed at developers, architects and middleware specialists interested in caching solutions. Focus: Use-cases including technical detail.
Monitoring VMware vFabric with Hyperic and Spring Insight
Webinar presented by Steve Millidge, C2B2 Director, on the 19th of November 2012.
This webinar demonstrates how you can significantly improve your support of production tcServer environments using Hyperic and Spring Insight. In the webinar C2B2's experienced support engineer will show you how to gather extensive internal metrics from your production tcServer instances, how to configure alerts to warn you of potential problems in your production tcServer cluster and how to diagnose and triage poorly performing transactions with Spring Insight.
To watch high quality version of this webinar please visit https://www4.gotomeeting.com/register/941934207
Middleware Expert Support Presentation
The overview of C2B2 Middleware Expert Support Offering.
For more information visit www.c2b2.co.uk/support or email us at sales@c2b2.co.uk
Monitoring Production JBoss with JBoss ON
Webinar presented by Mike Croft, C2B2 Managed Services Consultant, on the 8th of November 2012.
This webinar demonstrates how you can significantly improve your support of production JBoss environments using JBoss Operations Network. In the webinar C2B2's experienced support engineer will show you how to gather extensive internal metrics from your production JBoss instances, how to configure alerts to warn you of potential problems in your production JBoss cluster and how to diagnose and triage issues.
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Slides from the talk presented by Steve Millidge at the Oracle User Group Coherence SIG in March 2012
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一比一原版(UMN毕业证)明尼苏达大学毕业证如何办理
UMN硕士毕业证成绩单【微信95270640】购买（明尼苏达大学毕业证成绩单硕士学历）Q微信95270640代办UMN学历认证留信网伪造明尼苏达大学学位证书精仿明尼苏达大学本科/硕士文凭证书补办明尼苏达大学 diplomaoffer,Transcript购买明尼苏达大学毕业证成绩单购买UMN假毕业证学位证书购买伪造明尼苏达大学文凭证书学位证书,专业办理雅思、托福成绩单，学生ID卡，在读证明，海外各大学offer录取通知书，毕业证书，成绩单，文凭等材料:1:1完美还原毕业证、offer录取通知书、学生卡等各种在读或毕业材料的防伪工艺（包括 烫金、烫银、钢印、底纹、凹凸版、水印、防伪光标、热敏防伪、文字图案浮雕，激光镭射，紫外荧光，温感光标）学校原版上有的工艺我们一样不会少，不论是老版本还是最新版本，都能保证最高程度还原，力争完美以求让所有同学都能享受到完美的品质服务。
#毕业证成绩单 #毕业証 #成绩单 #學生卡 #OFFER录取通知书 #雅思#托福等……
国外大学明尼苏达大学明尼苏达大学毕业证offer制作方法（一对一专业服务）
1客户提供办理信息：姓名生日专业学位毕业时间等（如信息不确定可以咨询顾问：我们有专业老师帮你查询）；
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6快递给客户（国内顺丰国外DHLUPS等快读邮寄）
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Malibou Pitch Deck For Its €3M Seed Round
French start-up Malibou raised a €3 million Seed Round to develop its payroll and human resources
management platform for VSEs and SMEs. The financing round was led by investors Breega, Y Combinator, and FCVC.
一比一原版(sdsu毕业证书)圣地亚哥州立大学毕业证如何办理
原版一模一样【微信：741003700 】【(sdsu毕业证书)圣地亚哥州立大学毕业证成绩单】【微信：741003700 】学位证，留信认证（真实可查，永久存档）原件一模一样纸张工艺/offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
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如果您处于以下几种情况：
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◇企事业单位必须要求办理的
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◇申请留学生创业基金
留信网认证的作用:
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6:个人职称评审加20分
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办理(sdsu毕业证书)圣地亚哥州立大学毕业证【微信：741003700 】外观非常简单，由纸质材料制成，上面印有校徽、校名、毕业生姓名、专业等信息。
办理(sdsu毕业证书)圣地亚哥州立大学毕业证【微信：741003700 】格式相对统一，各专业都有相应的模板。通常包括以下部分：
校徽：象征着学校的荣誉和传承。
校名:学校英文全称
授予学位：本部分将注明获得的具体学位名称。
毕业生姓名：这是最重要的信息之一，标志着该证书是由特定人员获得的。
颁发日期：这是毕业正式生效的时间，也代表着毕业生学业的结束。
其他信息：根据不同的专业和学位，可能会有一些特定的信息或章节。
办理(sdsu毕业证书)圣地亚哥州立大学毕业证【微信：741003700 】价值很高，需要妥善保管。一般来说，应放置在安全、干燥、防潮的地方，避免长时间暴露在阳光下。如需使用，最好使用复印件而不是原件，以免丢失。
综上所述，办理(sdsu毕业证书)圣地亚哥州立大学毕业证【微信：741003700 】是证明身份和学历的高价值文件。外观简单庄重，格式统一，包括重要的个人信息和发布日期。对持有人来说，妥善保管是非常重要的。
14 th Edition of International conference on computer vision
About the event
14th Edition of International conference on computer vision
Computer conferences organized by ScienceFather group. ScienceFather takes the privilege to invite speakers participants students delegates and exhibitors from across the globe to its International Conference on computer conferences to be held in the Various Beautiful cites of the world. computer conferences are a discussion of common Inventions-related issues and additionally trade information share proof thoughts and insight into advanced developments in the science inventions service system. New technology may create many materials and devices with a vast range of applications such as in Science medicine electronics biomaterials energy production and consumer products.
Nomination are Open!! Don't Miss it
Visit: computer.scifat.com
Award Nomination: https://x-i.me/ishnom
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Upturn India Technologies - Web development company in Nashik
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For more Alluxio Events: https://www.alluxio.io/events/
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- 1. Hands-on Performance Workshop The science of performance Mike Croft
- 2. Who Am I? • C2B2 Expert Support consultant • Ex-IBM • Snowboarder • @croft
- 3. Who are you?
- 4. Why are we here? • Hands-on performance! – Hands on what? • See what tools are available • Get experience of using some tools • Learn how to apply knowledge • Why do you want to be here?
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Editor's Notes
- Performance in middleware comes down to: How fast does a single transaction take to execute? Faster Performance = Happier Customers Faster Performance = More Transactions HOWEVER Performance is the P in R-A-S-P and the other letters should be ignored to your peril! There is always a trade-off to consider!
- LATENCY = Time delay in requesting an operation and it being initiated Key factor in large scale distributed applications Typically not taken into account during development