Struct ShardMetadata 

pub struct ShardMetadata {
    pub shard_id: ShardId,
    pub node_count: usize,
    pub edge_count: usize,
    pub cross_shard_edges: usize,
    pub primary_node: String,
    pub replicas: Vec<String>,
    pub created_at: DateTime<Utc>,
    pub modified_at: DateTime<Utc>,
    pub strategy: ShardStrategy,
}

Metadata about a graph shard

Fields

shard_id: ShardId

Shard identifier

node_count: usize

Number of nodes in this shard

edge_count: usize

Number of edges in this shard

cross_shard_edges: usize

Number of edges crossing to other shards

primary_node: String

Primary node responsible for this shard

replicas: Vec<String>

Replica nodes

created_at: DateTime<Utc>

Creation timestamp

modified_at: DateTime<Utc>

Last modification timestamp

strategy: ShardStrategy

Partitioning strategy used

Implementations

impl ShardMetadata

pub fn new( shard_id: ShardId, primary_node: String, strategy: ShardStrategy, ) -> Self

Create new shard metadata

pub fn edge_cut_ratio(&self) -> f64

Calculate edge cut ratio (cross-shard edges / total edges)

Trait Implementations

impl Clone for ShardMetadata

fn clone(&self) -> ShardMetadata

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ShardMetadata

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ShardMetadata

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for ShardMetadata

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.