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blocked threads

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 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 →

THREAD DUMP ANALYSIS PATTERN – TRAFFIC JAM

Description Thread-A could have acquired the lock-1 and then would never release it.  Thread-B could have acquired lock-2 and waiting on this lock-1. Thread-C could be waiting to acquire lock-2. This kind of transitive blocks between threads can make entire application unresponsive. See the real-world... Continue Reading →

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