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Detecting Bad Deployments on Resource Impact and Not Response Time: Hotspot Garbage Collection

This story came in from Joseph - one of our fellow dynaTrace users and a performance engineer at a large fleet management service company. Their fleet management software runs on .NET,  is developed in-house, is load tested with JMeter and ... More >

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How to Optimize the Good and Exclude the Bad/ Bot Traffic that Impacts your Web Analytics and Performance

This blog is about how a new generation of BOTs impacted our application performance, exploited problems in our deployment and skewed our web analytics. I explain how we dealt with it and what you can learn to protect your own systems. ... More >

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Renaming Compuware APM to Dynatrace – What It Means to You

Most of you reading this blog have probably seen our recent announcements, Compuware going private from last week, and yesterday naming Compuware APM business unit Dynatrace. Quite a few of you reached out to me with questions as to what ... More >

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Understanding Application Performance on the Network – Part IX: Conclusion

One thing I learned – or more accurately, had reinforced – from the many comments on this blog series is that there are often subtle differences in the implementation of various TCP features and specifications; TCP slow-start and Congestion ... More >

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Does Performance in the Cloud Matter?

Note: Scott Turner and his team from Verizon Terremark performed the tests on the Terremark Cloud Platform and other public clouds. Scott can be reached at scott.turner@verizon.com One of the most appealing benefits of cloud deployment ... More >

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What if it is the Network? Dive Deep and Back in Time to Find the Root Cause

Modern Application Performance Management (APM) solutions can be tremendously helpful in delivering end-to-end visibility into the application delivery chain: across all tiers and network sections, all the way to the end user. In previous ... More >

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Data Driven Performance Problems are Not Always Related to Hibernate

Data-driven performance problems are not new. But most of the time it’s related to too much data queried from the database. O/R mappers like Hibernate have been a very good source for problem pattern blog posts in the past. Last week I got ... More >

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Understanding Application Performance on the Network – Part VIII: Chattiness and Application Windowing

In Part VII, we looked at the interaction between the TCP receive window and network latency. In Part VIII we examine the performance implications of two application characteristics – chattiness and application windowing as they relate to ... More >