LARGE OR SMALL MEMORY SIZE FOR MY APP?

Should I be running my application with few instances (i.e. machines) with large memory size or a lot of instances with small memory size? Which strategy is optimal? This question might be confronted often. After building applications for 2 decades, after building JVM performance engineering/troubleshooting tools (GCeasyFastThreadHeapHero), I still don’t know the right answer to this question. At the same time, I believe there is no binary answer to this question as well. In this article, I would like to share my observations and experiences on this topic.

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HOW TO INVOKE HEAP DUMP ANALYSIS API THROUGH POSTMAN

HeapHero provides powerful REST API to analyze Java/android heap dumps. This API can be used in CI/CD pipeline to proactively analyze how much memory is wasted due to inefficient programming practices such duplication of strings, over allocation and under utilization of data structures, sub-optimal data type definitions,…. It can be used in production environment too detect memory leaks proactively. This document walks through the steps involved in invoking this REST API through the Postman tool.

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