Published in homo technologicus’ asylum·Aug 1, 2022Monitoring beyond averagesRecently, I’ve been using NewRelic as our primary observability tool. While, personally, I have not been a big fan of the product even as late as five years ago, the company has made great strides in improving their product to accommodate modern monitoring needs for large-scale software as a service…Monitoring5 min readMonitoring5 min read
Published in homo technologicus’ asylum·Apr 10, 2020Unknown unknownsPerhaps one of the all time favorite talks I’ve ever given was Production Testing through Monitoring (for those who understand Russian, there is a longer variation of this talk focused on measuring business success). The talk’s central theme is a promotion of business-first monitoring with upwards correlation of supporting technical…Testing5 min readTesting5 min read
Published in Web Performance for Developers·Nov 16, 2018Caching: Understating the scopeIt’s not what you look at that matters, it’s what you see. — H.D. Thoreau Most performance conversations, at one point or another, will get to the subject of caching. And for a good reason. Caching helps to hide some of the biggest performance inefficiency in many systems. That’s right…Cache3 min readCache3 min read
Published in homo technologicus’ asylum·Sep 12, 2018Publications, talks and interviewsBooks DevOps and Business — O’Reilly Media Podcasts, Interviews and Quotes Growing Leaders — The Tech Trek DevOps & Business— DevOps Дефлопе podcast (Russian) Importance of culture — Gun.io podcast Business Monitoring — DevOps Дефлопе podcast (Russian) Citizen developers push the pace in BizDevOps — TechTarget AWS appeals to the masses with low-code development project — TechTarget Evolution of DevOps —…3 min read3 min read
Published in Web Performance for Developers·Aug 6, 2018Local PersonalizationsUnless you are running a complete brochureware site, chance are, you have some sort of content personalization requirement, whether it’s user’s name, number of items in the shopping cart, custom navigation or something entirely different, specific to a particular user. Let’s examine a prototype of a standard e-commerce personalization logic. …Performance3 min readPerformance3 min read
Published in Web Performance for Developers·Apr 3, 2018External dependenciesIn this day and age, more and more applications leverage external services. So much so, that only about 6% of all sites has no 3rd party content and almost 40% of all site have between 75% and 99% 3rd party content. And for a good reason. …Java Script3 min readJava Script3 min read
Published in homo technologicus’ asylum·Mar 25, 20189 Biases in TechI gave a talk at DevOpsDays Baltimore about biases that influence our daily decisions. Bias in tech from Leon Fayer Every day we make decisions. Those decisions can be around improving your product, process, company; sometimes even bettering yourself. But many of our decisions are not made consciously. We all have biases. And even though most of our biases are unconscious, those biases still can get in a way of making the best possible decision. This is not a talk about gender and racial bias in tech hiring. This is a talk about different biases that skew our technical decision process that we deal with in out day-to-day operations.Self Improvement1 min readSelf Improvement1 min read
Published in Web Performance for Developers·Jan 3, 2018Content separationEvery type of content was not created equal. Nor should it be served the same way. At a high level, you can separate your content into 3 groups: infinitely static — image is a perfect example of this. Once an image has been published, you should never update it (because…Apache3 min readApache3 min read
Published in Web Performance for Developers·Dec 4, 2017Reducing property accessLoops are generally not great from the performance perspective, but often times it’s relatively easy to pinpoint and optimize those inefficient function you wrote and call inside of a loop. …Java Script2 min readJava Script2 min read
Published in Web Performance for Developers·Nov 21, 2017Caching: File systemPerhaps the most effective caching mechanism is in-memory cache. Tools like memcached and redis give a great out-of-the-box capability to store and retrieve your content to/from memory and effectively manage TTL. But what can you do when you don’t have those tools available? Never fear, you can implement your own…Caching3 min readCaching3 min read
