DRPTM: A Decoupled Read-efficient High-scalable Persistent Transactional Memory
DAC(2023)
摘要
Persistent transactional memory (PTM) exploits transactions to provide an easy crash-consistent interface for persistent memory (PM). However, because of the substantial reader-side overhead brought on by the low bandwidth and long persistence latency of PM, present PTM research cannot scale effectively. This paper proposes a highly scalable PTM system, DRPTM, which allows nearly non-overhead reads without lowering the isolation level. DRPTM decouples persistence latency from concurrency control and traces the read-only copy maintained in logs as a lightweight read set. The evaluation shows that DRPTM significantly outperforms the state-of-the-art PTM systems for various workloads and achieves near-linear scalability.
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关键词
decoupled read-efficient high-scalable persistent transactional memory,DRPTM decouples persistence,easy crash-consistent interface,highly scalable PTM system,lightweight read set,long persistence,persistent memory,PTM research,read-only,state-of-the-art PTM systems,substantial reader-side overhead
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