Struct UmaArenaTier 

pub struct UmaArenaTier { /* private fields */ }

The zero-copy path: O_DIRECT the record straight into the pinned arena slot; the returned addresses point INTO the arena (GPU-addressable at the same VA), no copy_h2d.

Implementations

impl UmaArenaTier

pub fn open(dir: &Path, num_slabs: u32, slots_per_slab: u32) -> Result<Self>

pub fn arena(&self) -> &ExpertArena

Trait Implementations

impl ExpertTier for UmaArenaTier

fn fetch( &mut self, key: ExpertKey, slot: ArenaSlot, _stream: u64, ) -> Result<ExpertResidency>

fn kind(&self) -> TierKind

fn healthy(&self) -> bool

Graceful-degradation probe (RDMA link health at Stage 4). Default: up.