Method overshoot_score

nodedb/src/engine/sparse/doc_cache.rs:60–64

Eviction pressure score: `current_entries * total_weight / weight`. Higher = more over-proportional → should be evicted from first.

(&self, total_weight: u64)

    /// Eviction pressure score: `current_entries * total_weight / weight`.
    /// Higher = more over-proportional → should be evicted from first.
    fn overshoot_score(&self, total_weight: u64) -> u64 {
        (self.entries.len() as u64)
            .saturating_mul(total_weight)
            .saturating_div(self.weight as u64)
    }

    /// Evict the oldest (FIFO) entry from this shard. Returns `true` if an
    /// entry was removed.