The busiest online shopping season is about to start and it’s time to make a quick check on whether the top shopping sites are prepared for the big consumer rush or whether they are likely going to fail because their pages are not adhering to Web performance best practices. The holiday rush seems to start [...]
We often see request error rates as an indicator for SLA compliance. Reality however shows that this draws a wrong picture. Let’s start with an example. We had a meeting with a customer and were talking about their SLA and what it is based on. Like in many other cases the request error rate was [...]
In my role I am responsible for our Community and our Community Portal. In order for our Community Portal to be accepted by our users I need to ensure that our users find the content they are interested in. In a recent upgrade we added lots of new multi-media content that will make it easier [...]
The ability to scale your environment on demand is one of the key advantages of a public cloud like Amazon EC2. Amazon provides a lot of functionality like the AutoScaling groups to make this easy. The one downside in my mind is that basing auto scaling on system metrics is a little naive and from [...]
Just in time for the upcoming Webinar with The BonTon Stores, were we talk about the challenges in operating complex WebSphere environments, we had another set of prospects running their applications on WebSphere. Francis Cordon, a colleague of mine, shares some of the screenshots resulting from these engagements. In this blog I want to highlight [...]
// Last time I explained logical and organizational prerequisites to a successful production level application performance monitoring. I originally wanted to look at the concrete metrics we need on every tier, but was asked how you can correlate data in a distributed environment, so this will be the first thing that we look into. So [...]
Setting up Application Performance Monitoring is a big task, but like everything else it can be broken down into simple steps. You have to know what you want to achieve and subsequently where to start. So let’s start at the beginning and take a top-down approach Know what you want The first thing to do [...]
Production Monitoring is about ensuring the stability and health of our system, that also includes the application. A lot of times we encounter production systems that concentrate on System Monitoring, under the assumption that a stable system leads to stable and healthy applications. So let’s see what System Monitoring can tell us about our Application. [...]
We have some power users out there that do great things with dynaTrace. One of them is Eugene who really got into dynaTrace Dashboards and custom Monitoring Plugins. He shared some of his dashboards with me to show to others. Interested in more? Read the full article What others do with dynaTrace Dashboards on the [...]
This is a two part article – also read Combining Analytics with Performance Management Data. I use Google Analytics every day to look at Key Web Performance Metrics to answer questions like: How many people visit our blog? I look at the Visitor Overview which shows me how many Visitors and Unique Visitors we have [...]
