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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 >

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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 >

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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 >

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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 >

Packet Loss

Understanding Application Performance on the Network – Part IV: Packet Loss

We know that losing packets is not a good thing; retransmissions cause delays. We also know that TCP ensures reliable data delivery, masking the impact of packet loss. So why are some applications seemingly unaffected by the same packet ... More >

web performance for free

How You Can Monitor Your Web Performance for Free

I recently analyzed FIFA's World Cup website for web performance best practices and highlighted the top problems FIFA had on their website (too many flag images, very large favicon, et Cetera). After completing the post, I realized we could ... More >