Software Developer and Performance Engineer
Posts tagged scalability
Week in Review – 15 August 2009
Aug 15th
Tools
- Measure Your System Boot Performance With Bootchart
By Chinmoy
Measure Your System Boot Performance With Bootchart … It aggregates the resource utilization and information of various processes using a script running in the boot up and creates an image through a java application after bootup. … - 10 Really Useful Server Monitoring Tools
By Tom
With these server monitoring tools you need never worry ever again about the performance of your website as absolutely anything can be monitored from speed to security. … detailed reports and flexible alerts. This powerful tool, which supports Web 2.0, AJAX and plugin-based applications like Flash and Java, gives you a truly global perspective on how end-users see your site with monitoring agents stationed in the USA, Asia, Africa and Europe. webmetrics … - Yet another bloody blog: What test technology and tools are you …
By Mark Crowther
It came as little surprise that the use of Selenium and Ruby was not what most expected as say QTP or Java are more commonplace. This prompted me to think about: What technologies and tools are you using now in the
Info
- A Few Speed Improvements – Blog – Stack Overflow
By Jeff Atwood
Anyway, we believe that performance is a feature, and we’re serious about the Stack Overflow family of sites being as fast as we can make them. We continue to revisit our performance every couple of months and try to improve it a little … - Some Factors Driving UI Performance Analysis « Seven Seconds
Ive decided to put some initial thoughts about factors that should be used by SPE’s for recommending a UI Performance Analysis project Ill briefly summarize … - Java World: Performance Tuning in J2EE Applications
By Pinaki
Performance Tuning in J2EE Applications When it comes to enterprise scale Java applications there maybe severe performance degradations due to software architecture design flaws and application Infrastructure setup. … - Carsonified » Five Things That Will Kill Your Site
By Jonathan Howell
This involves performance testing your application in advance. Set a level for what you consider to be an acceptable response time, and ramp up simulated users carrying out typical tasks until you exceed that threshold. … In theory modern garbage collected languages like Java and C# make memory leaks much less likely than the direct memory allocation of C and C++, but they are still possible: watch for memory allocated by static classes, caches that are not cleared, … - Write high performance Java data access applications Part 3 Data …
pureQuery is a high-performance Java data access platform focused on simplifying … Performance monitoring You can use hooks to measure API calls runtime … - J2EE and Oracle Performance Musings: SQL Server Performance Snapshots
By Chris Adkin
When used with Catalog view and Performance Monitor counters, DMVs can provide the same functionality as Oracle10g’s Automatic Workload Repository (AWR). However, when working with SQL Server 2005, much of the intended purpose of … - Java Memory Problems Performance, Scalability and Architecture …
By Alois Reitbauer
Memory problems in Java applications are manifold und easily lead to performance and scalability problems. Especially in J EE applications with a high number of parallel users memory management must be a central part of the application …
Week in Review – 18 July 2009
Jul 18th
Information
- · java.net: Kirk Pepperdine Interviewed by Janice Heiss
Janice Heiss interviews Java Champion Kirk Pepperdine about Java performance tuning and more in this java.net Community Corner 2009 podcast, recorded at JavaOne. - · The Disco Blog » Blog Archive » To recurse or not: Euler challenge #2
By Andy
While I implemented problem #1 in Groovy, I thought it would be interesting to solve problem #2 in both Java and Groovy as I wanted to get a good feel for the performance differences between solving Fibonacci via recursion and iteration … - Architect’s Blog
By Guy Nirpaz
New proxy implementation now supports faster fetch times, so that reading objects by their id from local cache is almost as fast as accessing a java.util.ConcurrentHashMap (in Java) or a Dictionary (in .NET). Raw performance of … - PHP’s Scalability and Performance comparison over Java – Digg model
By Jiltin
In addition, many versions of PHP was used in the test, and substantial performance improvements have been made since and are continuing to be made. Here is the article from oreillynet: PHP scales! The word on the street is that “Java … - Why is Performance Monitoring so hard? – brettdargan.com
By admin
Current State – Instantaneous State based; Alerting; Historical Stats; Trace (System > Component > Request) ~ Vertical Profiling through technologies; Profiling – usually technology focused, like Java Profiling; Vital Signs … Production – Under Load Times (batch or interactive); Production – Under Load and component Failures; Dev – Design/Architecture; Dev – Impl time; Test – Environment Issues – ala. Troubleshooting the Integration; Load Test Time; Soak Test Time … - Amazon Web Services Developer Community Performance Monitoring for …
Performance Monitoring for Autoscaling. Posted Aug 8 2008 943 AM PDT … As a Java developer I think of JMX which is baked into Java 5 and can be leveraged …
Book
- · AVIRADS-urs always: Java Performance Tuning 2nd edition – Jack Shirazi
By avirads
Method profiling can be done by java -Xrunhprof:cpu=samples,thread=y <classname> jhat included in JDK is Java Heap Analysis Tool. The JDK provides two methods for monitoring the amount of memory used by the runtime system. …
Product
- · GigaSpaces’ XAP 7 focuses on performance
SDTimes.com – San Bruno,CA,USA
XAP allows Java applications to be provisioned into distributed environments without requiring code changes or separate components for clustering, …