Method stats

nodedb/src/engine/kv/engine_stats.rs:137–173

Comprehensive observability snapshot for this KV engine.

(&self)

    /// Comprehensive observability snapshot for this KV engine.
    pub fn stats(&self) -> KvStats {
        let mut total_entries = 0usize;
        let mut total_mem = 0usize;
        let mut total_index_entries = 0usize;
        let mut is_rehashing = false;
        let mut max_load_factor: f32 = 0.0;

        for table in self.tables.values() {
            total_entries += table.len();
            total_mem += table.mem_usage();
            if table.load_factor() > max_load_factor {
                max_load_factor = table.load_factor();
            }
            if table.is_rehashing() {
                is_rehashing = true;
            }
        }

        for idx_set in self.indexes.values() {
            for field in idx_set.indexed_fields() {
                if let Some(idx) = idx_set.get_index(field) {
                    total_index_entries += idx.entry_count();
                }
            }
        }

        KvStats {
            total_entries,
            total_mem_bytes: total_mem,
            collection_count: self.tables.len(),
            max_load_factor,
            is_rehashing,
            total_index_entries,
            expiry_queue_depth: self.expiry.len(),
            expiry_backlog: self.expiry.backlog(),
        }
    }
}