Struct UmaArenaTier 

pub struct UmaArenaTier { /* private fields */ }

2026-09-25: Read the record straight into a pinned arena slot (O_DIRECT on Linux); the returned addresses point into the arena, and nothing is copied.

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

2026-09-25: Whether the tier can still serve fetches; the default is true.