Tag: performance

  • Session and Memory Leak on Wildfly 10

    Session and Memory Leak on Wildfly 10

    I recently re-wrote 10MinuteMail, my secure temporary email service, updating it from Seam 2 and JBoss 4.2 to Deltaspike and Wildfly 10.  Unfortunately I noticed a memory leak in the JVM.  During beta testing, the JVM heap usage would slowly grow, over 1-2 weeks until it reached an OOM (out of memory condition). I performed […]

  • JBoss Performance Tuning and MasterTheBoss

    I review technical book manuscripts for a few different publishers, and recently had the pleasure of working on an upcoming book called JBoss Performance Tuning by Francesco Marchioni.  It’s coming out in December 2010 and will be a must have addition to your bookshelf if you deploy applications on JBoss. The book contains extensive performance/load […]

  • Google Speed!

    Google has a nice collection of tutorials, tech talks, etc… related to making websites run faster. You can find it here: Let’s make the web faster.  This is no longer available.  Check out a 3rd party guide here: PageSpeed Guide and higher level Google Site here: PageSpeed Insights Rules I strongly disagree with the first […]

  • MSSQL, jTDS, NVARCHAR and Slow Indexes

    An application I’ve built is going into production soon. It’s the first application I’ve been involved with which will be using MSSQL server in production, I have some learning about MSSQL to do. After some research, I ended up using the jDTS JDBC driver instead of the Microsoft JDBC driver (which is feature incomplete and […]

  • Smush.it Shrinks Your Images

    In my post on Improving Secondary Asset Loading Time in order to increase the performance of your web application I briefly touched on shrinking your media files to the smallest size that will give you acceptable quality. Rather than waste your time playing with Photoshop export settings for each image, you can now use Smush.it, […]

  • Additional CDN Information

    A few popular commercial CDN services are: Akamai Mirror Image Multicast Media Limelight End user performance is typically increased roughly 20-25% by the addition of a good CDN solution. This does not count the reduced capacity requirements of your server farm, which is an added bonus. Photo by jpctalbot