Method evict_tenant

nodedb/src/engine/sparse/doc_cache.rs:284–295

Evict all cache entries belonging to a specific tenant within a database.

(&mut self, database_id: u64, tenant_id: u64)

    /// Evict all cache entries belonging to a specific tenant within a database.
    pub fn evict_tenant(&mut self, database_id: u64, tenant_id: u64) {
        let shard = match self.shards.get_mut(&database_id) {
            Some(s) => s,
            None => return,
        };
        let before = shard.entries.len();
        shard.entries.retain(|k, _| k.tenant_id != tenant_id);
        shard.order.retain(|k| k.tenant_id != tenant_id);
        shard.tenant_counts.remove(&tenant_id);
        let removed = before.saturating_sub(shard.entries.len());
        self.total = self.total.saturating_sub(removed);
    }

    /// Cache hit rate (0.0–1.0). Returns 0.0 if no lookups yet.
    pub fn hit_rate(&self) -> f64 {