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ColdStore

aether_memory

Struct ColdStore 

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pub struct ColdStore { /* private fields */ }

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impl ColdStore

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pub async fn new(cfg: ColdConfig) -> Result<Self>

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pub fn with_s3(self, backend: Arc<dyn S3Backend + Send + Sync>) -> Self

注入S3后端（可选）

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pub async fn put(&self, id: &str, vec: &[f32]) -> Result<StorageLocation>

写入：先本地，再S3（若配置）

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pub async fn get(&self, id: &str) -> Result<Vec<f32>>

读取：先本地，再S3，并在本地缓存

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pub async fn delete(&self, id: &str) -> Result<()>

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pub async fn exists(&self, id: &str) -> bool

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type Error = <U as TryFrom<T>>::Error

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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

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