diff --git a/martin.yaml b/martin.yaml
index c68fdfd..2dba2ae 100644
--- a/martin.yaml
+++ b/martin.yaml
@@ -4,6 +4,7 @@
 
 postgres:
   connection_string: ${DATABASE_URL}
+  pool_size: 8
   default_srid: 3844
   auto_publish: false
   tables:
@@ -83,7 +84,7 @@ postgres:
       geometry_column: geom
       srid: 3844
       bounds: [20.2, 43.5, 30.0, 48.3]
-      minzoom: 10
+      minzoom: 14
       maxzoom: 18
       properties:
         object_id: text
@@ -138,7 +139,7 @@ postgres:
       geometry_column: geom
       srid: 3844
       bounds: [20.2, 43.5, 30.0, 48.3]
-      minzoom: 12
+      minzoom: 15
       maxzoom: 18
       properties:
         object_id: text
diff --git a/prisma/postgis-setup.sql b/prisma/postgis-setup.sql
index 1553627..c78ae38 100644
--- a/prisma/postgis-setup.sql
+++ b/prisma/postgis-setup.sql
@@ -59,6 +59,14 @@ WHERE geometry IS NOT NULL AND geom IS NULL;
 CREATE INDEX IF NOT EXISTS gis_feature_geom_idx
   ON "GisFeature" USING GIST (geom);
 
+-- Compound index: layerId + spatial — Martin queries filter by layer via views
+CREATE INDEX IF NOT EXISTS gis_feature_layer_geom_idx
+  ON "GisFeature" ("layerId", geom) WHERE geom IS NOT NULL;
+
+-- B-tree index on layerId for view filtering (LIKE 'TERENURI%', 'CLADIRI%')
+CREATE INDEX IF NOT EXISTS gis_feature_layer_id_idx
+  ON "GisFeature" ("layerId");
+
 -- =============================================================================
 -- 7. QGIS-friendly views
 --    - Clean snake_case column names