Smal

server-rs/src/data/property/loading.rs

@@ -827,6 +827,18 @@ impl PropertyData {
                 }
             }
         }
+
+        // Reclaim geometric-growth slack. `address_search_token_keys` and the
+        // posting lists are built by repeated `push`, so their capacity rounds up
+        // to the next doubling step; at full UK scale (88M row-token keys, 39M
+        // postings) that slack is ~250MB of permanently-resident waste. These
+        // tables live for the whole process, so shrinking once at build time is
+        // a pure win with no behaviour change.
+        address_search_token_keys.shrink_to_fit();
+        for postings in address_token_index.values_mut() {
+            postings.shrink_to_fit();
+        }
+
         // Keep every distinctive token: common road words ("high", "church", "station") are
         // exactly what people search, and dropping them made those roads unsearchable while a
         // prefix fallback surfaced the wrong street ("Highbury" for "High"). The candidate scan
@@ -838,7 +850,10 @@ impl PropertyData {
             .max()
             .unwrap_or(0);
         let address_prefix_index = build_address_prefix_index(&address_token_index);
-        let address_search_interner = address_search_rodeo.into_reader();
+        // Resolve-only view: scoring only ever calls `.resolve(spur)`, never
+        // `.get(str)`, so we drop the string->key reverse map that a RodeoReader
+        // would keep (~tens of MB of hashmap we never touch).
+        let address_search_interner = address_search_rodeo.into_resolver();
         let address_postings_count: usize = address_token_index.values().map(Vec::len).sum();
         tracing::info!(
             tokens = address_token_index.len(),
@@ -861,6 +876,9 @@ impl PropertyData {
                 .or_default()
                 .push(new_row as u32);
         }
+        for rows in postcode_row_index.values_mut() {
+            rows.shrink_to_fit();
+        }
         let postcode_interner = postcode_rodeo.into_reader();
 
         let row_to_poi_metric_idx: Vec<u32> = if poi_metrics.is_empty() {