Effective memory management is crucial to prevent programs from gradually consuming more memory, leading to slower performance and crashes. Garbage collection (GC) addresses this by reclaiming memory no longer used by a program. This concept varies in languages like Java, Python, and Go. Java uses a generational hierarchy dividing memory into the Young Generation, Old Generation, and Metaspace. Python employs reference counting and a cyclic garbage collector, while Go uses a concurrent mark and sweep collector with a tricolor marking algorithm. Each approach aims to balance performance, latency, and scalability while minimizing pause times and handling memory fragmentation.
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