Garbage Collection in the Larchant Persistent Distributed Shared Store

Cheju Island（1995）

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摘要

We study tracing garbage collection (GC) for a distributed shared memory (DSM) in order to provide persistence by reachability (PBR), in a large-scale distributed system. Within a general model of DSM, we specify a distributed tracing GC algorithm that scales, collects cycles, and is orthogonal to coherence. Its main features are: (i) piecewise collection of opportunistically-chosen subsets of the memory, (ii) each site collects independently of other sites, (iii) data replicas are collected independently and no coherence operation is needed for GC purposes; and (iv) asynchrony of collection with respect to applications.

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关键词

general model,data replica,larchant persistent,main feature,opportunistically-chosen subsets,gc algorithm,shared store,garbage collection,coherence operation,gc purpose,piecewise collection,memory management,causality,bioreactors,protocols,operating systems,distributed shared memory,shared memory,coherence

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