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
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