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Preprint Jul 2026

MemExchange: Utility-Driven Distributed Memory Reallocation for Multi-Tenant Datacenters

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.

AmirHossein Seyri, Abhisek Pan, Balajee Vamanan · 0 citations
Conference Jul 2026

FATE: Fairness-Aware Memory Allocation for Multi-Tenant Tiered Memory Environments

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. · 0 citations
Preprint Jul 2026

Hardware-Transparent I/O Governance in Disaggregated Heterogeneous Storage

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.

R. Chowdhury, A. Shah, Sue K. Lee · 0 citations
Open access Jul 2026

Performance Prediction of Data-Rebalancing Actions in Sharded NoSQL Clusters

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. · 0 citations
Preprint Jul 2026

Scaling Unmodified Multithreaded Applications with Elastic CXL-based Distributed Shared Memory

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
Preprint Aug 2026

Preserving Admission Responsibility in Multi-Tenant Large Language Model Prefix Caches

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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