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ShardRouter

Struct ShardRouter 

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pub struct ShardRouter { /* private fields */ }
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샤드 라우터

키를 받아 어느 ShardNode로 라우팅할지 결정합니다. 일관된 해싱(Consistent Hashing) 링을 통해 노드 간 부하 분산을 수행합니다.

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impl ShardRouter

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pub fn new_local(n: usize) -> Self

n개의 로컬 샤드 라우터 생성 (테스트/개발용)

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pub fn new(shards: Vec<ShardNode>) -> Self

커스텀 노드 목록으로 라우터 생성

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pub fn new_with_addresses(addresses: Vec<String>) -> Self

노드 주소 목록으로 라우터 생성

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pub fn num_shards(&self) -> usize

샤드 수

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pub fn shard_index(&self, key: &[u8]) -> usize

key 바이트로부터 물리 샤드 노드 ID 인덱스 결정 (Consistent Hashing)

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pub fn route(&self, key: &[u8]) -> Option<&ShardNode>

key로부터 담당 ShardNode 반환

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pub fn all_shards(&self) -> &[ShardNode]

모든 샤드 목록 반환 (scatter-gather broadcast 용)

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pub fn sub_table_name(&self, base_table: &str, key: &[u8]) -> String

sub-table 이름 생성: {base_table}__shard_{idx}

Trait Implementations§

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impl Debug for ShardRouter

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

Formats the value using the given formatter. Read more

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