OSDI文章分享，论文（Semeru: A Memory-Disaggregated Managed Runtime)的结构化文摘

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#内存管理 #分布式计算 #堆栈

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Semeru 是一款为内存离散化架构设计的分布式JVM，旨在提高管理语言编写的云应用性能。其创新点包括：1) 跨CPU和内存服务器的统一Java堆，允许未经修改的传统程序运行；2) 分布式垃圾收集器，将对象追踪任务下移到内存服务器，靠近数据进行处理；3) 操作系统内核中的交换系统，与运行时协作高效地交换页面数据。实验证明，Semeru在广泛部署的系统上展现出非常有前景的性能提升。

Authors:

Chenxi Wang, Haoran Ma, Shi Liu, and Yuanqi Li, UCLA; Zhenyuan Ruan, MIT; Khanh Nguyen, Texas A&M University; Michael D. Bond, Ohio State University; Ravi Netravali, Miryung Kim, and Guoqing Harry Xu, UCLA

Abstract:

Resource-disaggregated architectures have risen in popularity for large datacenters. However, prior disaggregation systems are designed for native applications; in addition, all of them require applications to possess excellent locality to be efficiently executed. In contrast, programs written in managed languages are subject to periodic garbage collection (GC), which is a typical graph workload with poor

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