On Episode 78 of The Edge of Innovation, we’re talking with Dan Frasier, co-founder of Cornerstone Commissioning Inc., about building control systems and continuous commissioning.
On Episode 77 of The Edge of Innovation, we’re talking with Dan Frasier, co-founder of Cornerstone Commissioning Inc., about construction commissioning.
Profiling your site is extremely useful not only for debugging and performance testing but also for learning about how your site handles requests. Symfony 2 comes with a bundle (like a Drupal module but for Symfony) called WebProfiler Bundle which collects information about each request made to your application and allows you to visualize it in the browser. Drupal 8 doesnâ€™t include the Web Profiler bundle in core. However, there already is a contrib module for it. Make sure to install any dependencies before enabling the module. The module will render a fixed bar at the bottom of each page for users with the View webprofiler toolbar permission. The bar provides a summary of the collected data from the profiler. By clicking on any of the items, you …
During Aprilâ€™s Percona Live MySQL Conference and Expo 2014, I attended a talk on MySQL 5.7 performance an scalability given by Dimitri Kravtchuk, the Oracle MySQL benchmark specialist. He mentioned at some point that the InnoDB double write buffer was a real performance killer. For the ones that donâ€™t know what the innodb double write buffer is, it is a disk buffer were pages are written before being written to the actual data file. Upon restart, pages in the double write buffer are rewritten to their data files if complete. This is to avoid data file corruption with half written pages. I knew it has an impact on performance, on ZFS since it is transactional I always disable it, but I never realized how important the performance …
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