‘ping’ command is used to troubleshoot and diagnose network connectivity issues. It is used to check whether the host is reachable. It’s available on all the Operating Systems. ‘ping’ reports the round-trip time for the messages sent from the source to the destination.
Continue reading “ping – Unix/Linux command, beginners introduction with examples “
‘dmesg’ (display message) is not a popular Unix/Linux command. However, it provides vital information that can be used for troubleshooting production performance problems.
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I have heard a few of my developer friends say: “Garbage Collection is automatic. So, I do not have to worry about it.“ The first part is true, i.e., “Garbage Collection is automatic” on all modern platforms – Java, .NET, Golang, Python… But the second part i.e., “I don’t have to worry about it.” – may not be true. It is arguable, questionable. Here is my case to showcase the importance of Garbage Collection:
Continue reading ““I don’t have to worry about Garbage collection” – Is it true?”
We truly believe enterprises are wasting millions of dollars in garbage collection. We equally believe enterprises are wasting these many millions of dollars even without knowing they are wasting. Intent of this post is to bring visibility on how several millions of dollars are wasted due to garbage collection.
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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 “Major Outages in Major Enterprises”
JAX – Online conference is the meeting place for all the Java and software architecture enthusiasts! This year also, they have conducted the online conference to exchange the knowledge and ideas from the speakers all over the world.
Continue reading “JVM Internals in 1 slide”On Apr’ 22, 2021 world has lost one good, kind-hearted, young soul in this COVID battle. Just six months back, Kamini joined yCrash team as a ‘software Intern’.
Continue reading “Kamini Mishra – You will be missed!”Coming soon!
In the series of chaos engineering articles, we have been learning to simulate various performance problems. In this post, let’s discuss how to make threads go into BLOCKED state.
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In the series of chaos engineering articles, we have been learning to simulate various performance problems. In this post, let’s discuss how to simulate thread leaks. ‘java.lang.OutOfMemoryError: unable to create new native thread’ will be thrown when more threads are created than the memory capacity of the device. When this error is thrown, it will disrupt the application’s availability.
Continue reading “Chaos Engineering – Thread Leak”
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