LongAdder
Explore the use of LongAdder in Java to handle high concurrent increments with better throughput than AtomicLong. Understand how it spreads contention via an internal array of counters, improving performance in multithreaded environments. Learn how to apply LongAdder for accurate counting under concurrent requests and analyze its trade-offs.
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Overview
Consider a scenario where you are hosting an API service and need to maintain a running count of all the invocations of a particular API endpoint. You could use AtomicLong for the occasion as a counter but if you expect several concurrent requests ...