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Minor GC vs Major GC vs Full GC

While working with the GC pause detection functionality in Plumbr I was forced to work my way through loads of articles, books and presentations about the subject. Throughout the journey, ...
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Why is my JVM having access to less memory than specified via -Xmx?

“Hey, can you drop by and take a look at something weird”. This is how I started to look into a support case leading me towards this blog post. The particular problem at hand was ...
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How JVMTI tagging can affect GC pauses

This post is analyzing why and how Plumbr Agents extended the length of GC pauses on certain occasions. Troubleshooting the underlying problem revealed interesting insights about ...
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How to define performance requirements?

“The app is slow, can you make sure it is fast.” The quote above should send shivers down the spine for any experienced engineer. In our previous posts we have constantly stressed ...
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Self-healing JVM

This post is an example about an application where the first solution to each and every IT problem – “have you tried turning it off and on again” – can backfire and do more ...
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Java performance tuning survey results (part IV)

This is the last post in series where we analyze the results of the Java Performance Tuning Survey we conducted in October 2014. If you have not read the first posts, I recommend to ...
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Java performance tuning survey results (part III)

This is the third post in a series where we analyze the results of a survey conducted in October 2014. If you have not already done so, I recommend to start with the first two posts ...
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Java performance tuning survey results (part II)

This is a second post in series where we analyze the results of the performance tuning survey conducted in October 2014. If you have not read the first part yet, we recommend to start ...
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Java performance tuning survey results (part I)

We conducted a Java performance tuning survey during October 2014. The main goal of the survey was to gathering insight into Java performance world to improve the Plumbr product offering. ...
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Guess, don’t measure

I have lost count in how many occasions I have recommended to start all performance tuning activities by setting goals and measuring baseline instead of tuning random bits in your source ...
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