Struct CowCompactor 

pub struct CowCompactor {
    pub strip_unknown: bool,
}

COW-aware compaction engine.

Fields

strip_unknown: bool

Whether to strip unknown segment types during compaction.

Implementations

impl CowCompactor

pub fn new() -> Self

Create a new compactor with default settings.

pub fn compact_read_optimize( cow_map: &mut CowMap, local_data: &HashMap<u32, Vec<u8>>, cluster_size: u32, ) -> Result<CompactionResult, RvfError>

Read-optimize compaction: reorder local clusters for sequential read.

Scans the COW map, reads all LocalOffset clusters, and rewrites them contiguously in cluster_id order. Updates the map entries to point to the new contiguous offsets.

pub fn compact_space_reclaim( cow_map: &mut CowMap, local_data: &HashMap<u32, Vec<u8>>, parent_data: &HashMap<u32, Vec<u8>>, cluster_size: u32, ) -> Result<CompactionResult, RvfError>

Space-reclaim compaction: if local cluster data matches parent data, replace LocalOffset with ParentRef to reclaim space.

pub fn rebuild_refcounts(cow_map: &CowMap) -> RefcountData

Rebuild reference counts from the COW map.

Each LocalOffset cluster has refcount 1. ParentRef clusters increment the parent’s refcount.

Trait Implementations

impl Default for CowCompactor

fn default() -> Self

Returns the “default value” for a type.