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Simulating & troubleshooting OOMError in Scala

In this series of simulating and troubleshooting performance problems in Scala, let’s discuss how to simulate the ‘java.lang.OutOfMemoryError: Java Heap space’ problem. ‘java.lang.OutOfMemoryError: Java Heap space’ will be thrown by the Scala application, when it generates more objects than the... Continue Reading →

Simulating & troubleshooting Deadlock in Scala

All multi-threaded applications are prone to Deadlock. Modern Scala platform is no exception. In this series of simulating and troubleshooting performance problems in Scala, let’s discuss how to simulate a Deadlock in Scala and how you can troubleshoot it.  What... Continue Reading →

Simulating & troubleshooting BLOCKED threads in Scala

In this series of simulating and troubleshooting performance problems in Scala, let’s discuss how to make threads go into BLOCKED state. A thread will enter into a BLOCKED state when it couldn’t acquire a lock on an object because another... Continue Reading →

Simulating & troubleshooting Thread leak in Scala

In this series of simulating and troubleshooting performance problems in Scala, 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.... Continue Reading →

Simulating & troubleshooting CPU spike in Scala

In this series of simulating and troubleshooting performance problems in Scala articles, let’s discuss how to simulate CPU consumption to spike up to 100% on a host (or container) and troubleshoot it. Scala sample program CPU consumption will spike up... Continue Reading →

Simulating & troubleshooting StackOverflowError in Kotlin

In this series of simulating and troubleshooting performance problems in Kotlin, let’s discuss how to simulate StackOverflow errors. StackOverflow error is a runtime error, which is thrown when a thread's stack size exceeds its allocated memory limit.  Video: To see... Continue Reading →

Simulating & troubleshooting Thread leak in Kotlin

In this series of simulating and troubleshooting performance problems in Kotlin, 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.... Continue Reading →

Simulating & troubleshooting BLOCKED threads in Kotlin

In this series of simulating and troubleshooting performance problems in Kotlin, let’s discuss how to make threads go into BLOCKED state. A thread will enter into a BLOCKED state when it couldn’t acquire a lock on an object because another... Continue Reading →

Simulating & troubleshooting CPU spike in Kotlin

In this series of simulating and troubleshooting performance problems in Kotlin articles, let’s discuss how to simulate CPU consumption to spike up to 100% on a host (or container). CPU consumption will spike up whenever a thread goes on an... Continue Reading →

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