Spruce-up-PHP-thumb

How to Spruce up your Evolved PHP Application

Do you have a PHP application running and have to deal with inconveniences like lack of scalability, complexity of debugging, and low performance? That’s bad enough! But trust me: you are not alone! I’ve been developing Spelix, a ... More >

You-Broke-Something-thumbnail

How to Approach Application Failures in Production

In my recent article, “Software Quality Metrics for your Continuous Delivery Pipeline – Part III – Logging”, I wrote about the good parts and the not-so-good parts of logging and concluded that logging usually fails to deliver what it is so ... More >

Splunk_thumbnail

Unlocking Insight – How to Extract User Experience by Complementing Splunk

Splunk is a great Operational Intelligence solution capable of processing, searching and analyzing masses of machine-generated data from a multitude of disparate sources. By complementing it with an APM solution you can deliver insights ... More >

indexer_thumb

Are we getting attacked? No, it’s just Google indexing our site

Friday morning at 7:40AM we received the first error from our APMaaS Monitors informing us about our Community Portal being unavailable. It “magically recovered itself” within 20 minutes but just about an hour later was down again. The ... More >

PointingWoman

You are lying

A few years back I was the manager of an internal service provider. My job was to deliver services to pharmaceutical business units within my company. We bought service externally as well as created our own and sold standards based ... More >

ProcessingDelays_thumb

Understanding Application Performance on the Network – Part V: Processing Delays

In Part IV, we wrapped up our discussions on bandwidth, congestion and packet loss. In Part V, we examine the four types of processing delays visible on the network, using the request/reply paradigm we outlined in Part I. Server ... More >

Velocity_thumb

Top Web Performance Tips from Velocity Conf 2014

I attended the Velocity Conference at the Santa Clara Convention Center recently and there were many sessions on how to improve the performance of your web sites on mobile or web, as well as discussions around what companies are doing to ... More >

XenDesktop

How to Roll Out Citrix XenDesktop Globally, Without a Hitch

In addition to Pieter Van Heck, Alasdair Patton (Delivery Architect for Compuware APM) and Mark Revill (Field Technical Services, Compuware APM) also contributed to the authoring of this post.  Windows XP is living on borrowed time: ... More >