There are a good number of articles that articulate functional differences between HashMap, HashTable and ConcurrentHashMap. This post compares the performance behavior of these data structures through practical examples. If you don’t have patience to read the entire post, here is bottom line: When you confront with the decision of whether to use HashMap or HashTable or ConcurrentHashMap, you can consider using ConcurrentHashMap since it’s thread-safe implementation, without compromise in performance.Continue reading “Java Hashtable, HashMap, ConcurrentHashMap – Performance impact”
Let’s crash the applications! – Confoo 2022
ConFoo Montreal is a multi-technology conference for developers. This year , they have conducted the program to exchange knowledge and ideas from speakers all over the world. Our Architect Ram Lakshmanan was invited to give a talk on the topic: “Let’s crash the applications!”Continue reading “Let’s crash the applications! – Confoo 2022”
16 artifacts to capture when there is a production problem -Montreal 2022
ConFoo Montreal is a multi-technology conference for developers. Our Architect Ram Lakshmanan has been invited there to present on the topic “16 artifacts to capture when there is a production problem“, which has secured 5th place among 155 sessions.Continue reading “16 artifacts to capture when there is a production problem -Montreal 2022”
Work Together, We get ‘together’
Hi Friends! This is all about our yCrash Team having a fun time together. Before explaining how our trip goes, We are dedicating a short poem.Continue reading “Work Together, We get ‘together’”
Let’s crash the applications! – W-JAX 2021
JAX – Online conference is the meeting place for all Java and software architecture enthusiasts! This year also, they have conducted an online conference to exchange knowledge and ideas from speakers all over the world.Continue reading “Let’s crash the applications! – W-JAX 2021”
7 habits of highly effective Performance Troubleshooters! – All Day Devops Conference
The World’s Largest 6th Annual All Day DevOps conference held on October 28th 2021. Our architect Ram Lakshmanan was invited there to present a webinar on the topic 7 habits of highly effective Performance Troubleshooters!
Below is the deck shared in the conference which explains, how to forecast the problems?, what to do when the problem is happening?, how to identify the root cause instantly? and how to prevent problems from happening in the future and so on.Continue reading “7 habits of highly effective Performance Troubleshooters! – All Day Devops Conference”
Is today’s microservice more bloated than yesterday’s monolith?
I am slightly hesitant to write this post, as it might attract some criticism. Nevertheless, I told myself there is nothing wrong with sharing my point of view (even though it might not be well accepted). I would like to share my personal experience regarding yesterday’s Monolithic and today’s Microservice architecture in this post.Continue reading “Is today’s microservice more bloated than yesterday’s monolith?”
Java performance Talk in QAInsights Clubhouse
Naveen Kumar Namachivayam from QAInsights Invited Ram Lakshmanan – The architect of yCrash to talk in the Performance Engineers Clubhouse. In this video, the basics of Garbage collection, Importance of Memory, GC Throughput Introduction and many other topics have been discussed!
OutOfMemoryError: Kill process or sacrifice child – causes & solutions
There are different flavors of OutOfMemoryError. One of the flavours of OutOfMemoryError is ‘Kill Process or sacrifice child’. This post discusses what triggers this ‘Kill Process or sacrifice child’ OutOfMemoryError and potential solutions to diagnose this problem.Continue reading “OutOfMemoryError: Kill process or sacrifice child – causes & solutions”
Advantages of Enterprise Edition over Public Edition
yCrash Enterprise Edition has a lot more capabilities than our ‘free’ HeapHero public edition. It provides features like Dashboard, Search reports, 100% automated data capturing, 360-degree data analysis, Report comparison, remote data capturing, bundle upload, Report Deletion. This post highlights the differences between Heaphero Public (free) Edition and yCrash Enterprise Edition.Continue reading “Advantages of Enterprise Edition over Public Edition”