Results show up to 2.3x lower remote-access overhead compared to TCP-based designs, a 13% increase in cluster-wide memory utilization at rack scale, and up to 63% reduction in miss rate for memory-constrained tenants under skewed workloads.
Tiered memory environments that combine DRAM and CXL provide substantial scalability in modern systems, yet they introduce critical fairness challenges for containerized workloads. Existing Linux kernel memory management primarily relies on access-frequency-based page promotion and demotion to optimize system-wide perf...
Minwoo Jo, Binwon Song, Hayong Jeong et al.· IEEE International Conferenc...· 0 citations
The I/O Resource Manager (IORM), a multi-stage distributed scheduler deployed in production within Oracle Exadata Exascale, combines three mechanisms: a hardware-aware cost modeler that normalizes I/O accounting using datasheet-derived fixed costs to make limits invariant across hardware generations.
A queueing network (QN) model of the rebalance process of the process used in MongoDB is developed, and a preliminary evaluation of performance prediction by the QN model via simulations is described, to understand the impact of different parameters of the rebalance process.
G. Paterakis, E. Ntallaris, K. Magoutis et al.· International Symposium on C...· 0 citations
While CXL presents a promising hardware substrate for Distributed Shared Memory (DSM), seamlessly scaling multithreaded applications across multiple nodes remains a formidable challenge. Existing CXL-based DSMs fall short: they require manual code modifications to share non-heap data, employ rigid data placement polici...
Guowei Liu, Kang Chen, Laiping Zhao et al.· 0 citations
Results show that object-value signals rank what to retain, while persistent responsibility determines which group bears reclamation pressure, which shows that object-value signals rank what to retain, while persistent responsibility determines which group bears reclamation pressure.
Zhi-Yu Wang, Rajkummar Buyya· 2 citations
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