Struct ShardedTenantCache 

pub struct ShardedTenantCache { /* private fields */ }

A sharded cache for high-concurrency scenarios.

Uses multiple shards to reduce lock contention under heavy load.

Implementations

impl ShardedTenantCache

pub fn new(shard_count: usize, config: CacheConfig) -> Self

Create a new sharded cache.

pub fn high_concurrency(max_entries: usize) -> Self

Create with reasonable defaults for high-concurrency.

pub fn lookup(&self, tenant_id: &TenantId) -> CacheLookup

Look up a tenant.

pub fn insert(&self, tenant_id: TenantId, context: TenantContext)

Insert a tenant.

pub fn insert_negative(&self, tenant_id: TenantId)

Insert a negative entry.

pub fn invalidate(&self, tenant_id: &TenantId)

Invalidate a tenant.

pub fn clear(&self)

Clear all shards.

pub fn len(&self) -> usize

Get total size.

pub fn is_empty(&self) -> bool

Check if empty.

pub fn metrics(&self) -> CacheMetrics

Get aggregated metrics.

pub fn evict_expired(&self) -> usize

Evict expired entries from all shards.

pub async fn get_or_fetch<F, Fut>( &self, tenant_id: &TenantId, fetch: F, ) -> Option<TenantContext>

where F: FnOnce() -> Fut, Fut: Future<Output = Option<TenantContext>>,

Get or fetch a tenant.