Java Heap fragmentation is an interesting problem, which triggers long pausing full garbage collection cycles. In this article we would like to attempt to explain the heap fragmentation.
Let’s say developer write a code ‘new BMW()’. This will create a new BMW object in the heap memory space. Example:
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Since we are analyzing thousands of Garbage Collection logs every single day through our GCeasy tool, we are noticing several java applications still continuing to use ‘-XX:+UseCompressedOops’ JVM argument. Actually, it’s not required to pass ‘-XX:+UseCompressedOops’ JVM argument if you are running in Java SE 6 update 23 and later. Compressed oops is supported and enabled by default in Java SE 6u23 and later versions.
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Covid19 pandemic has already put a deep economic dent globally. US stock market has experienced the worst crash since 1987. Sooner or later, Enterprises have to figure out a plan to run their organizations on tight budgets. In this below 10 minute interview, our architect Ram Lakshmanan is sharing an effective way to cut down enterprise IT spending 20 – 30% without doing any lay-offs.
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One of the widely wasted resources in the world today is: Memory. Due to inefficient programming, surprising (sometimes ‘shocking’) amount of memory is wasted. We see this pattern repeated in several enterprise applications. To prove this case, we conducted a small study. We analyzed the famous spring boot pet clinic application to see how much memory it is wasting. This application has been designed by the community to show how the spring application framework can be used to build simple but powerful database-oriented applications.
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Not all stories need to be success stories. Reality is also not like that. We would like to share a true, disappointing story (but a phenomenal learning experience) that may be beneficial to you.
Continue reading “DISAPPOINTING STORY ON MEMORY OPTIMIZATION”