Class ClusterResidencyManager

constructor

• new ClusterResidencyManager(
      pageCount: number,
      slotCount: number,
      pinned?: Iterable<number>,
  ): ClusterResidencyManager

  Parameters

  • pageCount: number
  • slotCount: number
  • pinned: Iterable<number> = []

    Page ids that must always stay resident (committed eagerly by the caller). They consume slots but never appear in evict.

  Returns ClusterResidencyManager

ReadonlypageCount

ReadonlyslotCount

residentCount

• get residentCount(): number

  Returns number

isResident

• isResident(pageId: number): boolean

  Parameters

  • pageId: number

  Returns boolean

slotOf

• slotOf(pageId: number): number

  Parameters

  • pageId: number

  Returns number

update

• update(wanted: Iterable<number>, frame: number): ResidencyDecision

  Record this frame's wanted pages and decide evictions + loads. Pinned pages are loaded on the first frame they're wanted (or call commit eagerly).

  Parameters

  • wanted: Iterable<number>
  • frame: number

  Returns ResidencyDecision

commit

• commit(pageId: number, frame: number): number

  Mark an in-flight page resident (its data has been uploaded to its slot).

  Parameters

  • pageId: number
  • frame: number

  Returns number

drop

• drop(pageId: number): void

  Cancel an in-flight page (e.g. fetch failed): free its reserved slot.

  Parameters

  • pageId: number

  Returns void