How to capture and analyze Thread dumps in Android?

Discover the power of thread dumps in Android development. Learn what thread dumps are, how to capture them using commands like 'dumpsys thread' and 'jstack,' and uncover the insights they offer. Explore the effectiveness of 'fastThread,' a user-friendly tool that simplifies thread dump analysis, helping you identify performance issues, deadlocks, and more for a smoother... Continue Reading →

Parallel Sort

Everyone knows about what sorting is. There are so many computer algorithms that have emerged to support sorting. Some of the well-known algorithms are quick sort, heap sort, merge sort etc. All these sorting algorithms are working based on sequential sorting. Means, a single thread is used to perform the complete sorting operation. However, this... Continue Reading →

‘Troubleshooting Java’ book features fastThread

Laurentio Spilca who is a skilled Java and Spring developer and an experienced technology instructor has written a book called Troubleshooting Java: Read, debug, and optimize JVM applications. The book teaches code investigation techniques that will help efficiently understand how Java apps work, how to optimize them, and how to fix the bugs that break... Continue Reading →

Parallelism in ConcurrentHashMap

ConcurrentHashMap is used extensively in multi-threaded applications. The examples of multi-threaded applications are online gaming applications, chat applications, it adds the benefit of concurrency to the application. To make application more  concurrent in nature, ConcurrentHashMap introduces a concept called ‘Parallelism’. In this article we will learn more about parallelism in ConcurrentHashMap. What is Parallelism? Basically,... Continue Reading →

“Learn yCrash” series

The industry has seen cutting-edge Application Performance Monitoring tools and infrastructure monitoring tools. These monitoring tools are great at answering the question: 'What is the problem?'' but not, Why does the problem happen? yCrash attempts to answer this question. It captures 360-degree artifacts from your technology stack such as Garbage collection logs, thread dumps, heap dumps,... Continue Reading →

AWS Cloud watch + yCrash = Monitoring + RCA

We had an outage in our online application GCeasy on Monday morning (PST) Oct' 11, 2021. When customers uploaded their Garbage Collection logs for analysis, the application was returning HTTP 504 error. HTTP 504 status code indicates that transactions are timing out. In this post, we would like to document our journey to identify the... Continue Reading →

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