Update db connetion for tiler - new server

Author: Rub21

hetzner/tiler/config/postgresql.production.conf

@@ -2,7 +2,7 @@
 # CONNECTIONS AND AUTHENTICATION
 #------------------------------------------------------------------------------
 listen_addresses = '*'                    # Allow connections from any network interface
-max_connections = 200                      # Increase if you expect more concurrent connections
+max_connections = 300                      # 4 Tegola replicas × 56 conn + refresh/imposm headroom
 superuser_reserved_connections = 5         # Reserve connections for superusers
 
 #------------------------------------------------------------------------------
@@ -11,7 +11,7 @@ superuser_reserved_connections = 5         # Reserve connections for superusers
 
 # - Memory Configuration -
 shared_buffers = 16GB                      # ~13% of 125GB RAM
-work_mem = 512MB                           # Memory for each sort/hash operation; be cautious with many parallel queries
+work_mem = 256MB                           # Memory for each sort/hash operation; balanced for 300 max connections
 maintenance_work_mem = 8GB                 # Larger memory for VACUUM / CREATE INDEX / ALTER / REFRESH
 effective_cache_size = 80GB                # ~65% of 125GB RAM
 

images/tiler-imposm/scripts/refresh_mviews.sh

@@ -20,10 +20,10 @@ source ./scripts/utils.sh
 # Usage:
 #   refresh_mviews_group "WATER" 180 light "${water_views[@]}" &
 # ============================================================================
-LIGHT_WORK_MEM="${LIGHT_WORK_MEM:-64MB}"
-LIGHT_MAINT_MEM="${LIGHT_MAINT_MEM:-256MB}"
-HEAVY_WORK_MEM="${HEAVY_WORK_MEM:-512MB}"
-HEAVY_MAINT_MEM="${HEAVY_MAINT_MEM:-4GB}"
+LIGHT_WORK_MEM="${LIGHT_WORK_MEM:-256MB}"
+LIGHT_MAINT_MEM="${LIGHT_MAINT_MEM:-2GB}"
+HEAVY_WORK_MEM="${HEAVY_WORK_MEM:-1GB}"
+HEAVY_MAINT_MEM="${HEAVY_MAINT_MEM:-8GB}"
 
 function refresh_mviews_group() {
     local group_name="$1"

images/tiler-server/config/config.template.toml

@@ -26,7 +26,7 @@ type = "prometheus"
 name = "ohm"
 type = "mvt_postgis"
 uri = "postgresql://${POSTGRES_USER}:${POSTGRES_PASSWORD}@${POSTGRES_HOST}:${POSTGRES_PORT}/${POSTGRES_DB}"
-max_connections = 120
+max_connections = 30
 	###### PROVIDERS_OSM
 
 ####################################
@@ -37,7 +37,7 @@ max_connections = 120
 name = "ohm_admin"
 type = "mvt_postgis"
 uri = "postgresql://${POSTGRES_USER}:${POSTGRES_PASSWORD}@${POSTGRES_HOST}:${POSTGRES_PORT}/${POSTGRES_DB}"
-max_connections = 25
+max_connections = 8
 	###### PROVIDERS_ADMIN_BOUNDARIES_AREAS
 
 ####################################
@@ -48,7 +48,7 @@ max_connections = 25
 name = "ohm_other_boundaries"
 type = "mvt_postgis"
 uri = "postgresql://${POSTGRES_USER}:${POSTGRES_PASSWORD}@${POSTGRES_HOST}:${POSTGRES_PORT}/${POSTGRES_DB}"
-max_connections = 25
+max_connections = 8
 	###### PROVIDERS_NON_ADMIN_BOUNDARIES_AREAS
 
 ####################################
@@ -58,7 +58,7 @@ max_connections = 25
 name = "ne"
 type = "mvt_postgis"
 uri = "postgresql://${POSTGRES_USER}:${POSTGRES_PASSWORD}@${POSTGRES_HOST}:${POSTGRES_PORT}/${POSTGRES_DB}"
-max_connections = 25
+max_connections = 5
 	###### Water lands ne
 	[[providers.layers]]
 	name = "ne_water_lakes_0-8"
@@ -74,7 +74,7 @@ max_connections = 25
 name = "osm_land"
 type = "mvt_postgis"
 uri = "postgresql://${POSTGRES_USER}:${POSTGRES_PASSWORD}@${POSTGRES_HOST}:${POSTGRES_PORT}/${POSTGRES_DB}"
-max_connections = 25
+max_connections = 5
 	[[providers.layers]]
 	name = "osm_land_0-2"
 	geometry_fieldname = "geometry"