Set reasonable PostgreSQL GUCs for tile servers

These are based off of the osm2pgsql.org recommendations, scaled for the larger servers we run, as well as experience running PostgreSQL in a large variety of environments.
openstreetmap · Sep 14, 2023 · 90bd81a · 90bd81a
1 parent 200d328
commit 90bd81a
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Showing 10 changed files with 4 additions and 20 deletions.
diff --git a/roles/balerion.rb b/roles/balerion.rb
@@ -21,8 +21,6 @@
   :postgresql => {
     :settings => {
       :defaults => {
-        :shared_buffers => "8GB",
-        :maintenance_work_mem => "7144MB",
         :effective_cache_size => "16GB"
       }
     }

diff --git a/roles/bowser.rb b/roles/bowser.rb
@@ -21,8 +21,6 @@
   :postgresql => {
     :settings => {
       :defaults => {
-        :shared_buffers => "8GB",
-        :maintenance_work_mem => "7144MB",
         :effective_cache_size => "16GB"
       }
     }

diff --git a/roles/culebre.rb b/roles/culebre.rb
@@ -32,8 +32,6 @@
   :postgresql => {
     :settings => {
       :defaults => {
-        :shared_buffers => "8GB",
-        :maintenance_work_mem => "7144MB",
         :effective_cache_size => "16GB"
       }
     }

diff --git a/roles/nidhogg.rb b/roles/nidhogg.rb
@@ -29,8 +29,6 @@
   :postgresql => {
     :settings => {
       :defaults => {
-        :shared_buffers => "8GB",
-        :maintenance_work_mem => "7144MB",
         :effective_cache_size => "16GB"
       }
     }

diff --git a/roles/odin.rb b/roles/odin.rb
@@ -32,8 +32,6 @@
   :postgresql => {
     :settings => {
       :defaults => {
-        :shared_buffers => "8GB",
-        :maintenance_work_mem => "7144MB",
         :effective_cache_size => "16GB"
       }
     }

diff --git a/roles/palulukon.rb b/roles/palulukon.rb
@@ -22,8 +22,6 @@
   :postgresql => {
     :settings => {
       :defaults => {
-        :shared_buffers => "8GB",
-        :maintenance_work_mem => "7144MB",
         :effective_cache_size => "16GB"
       }
     }

diff --git a/roles/piasa.rb b/roles/piasa.rb
@@ -22,8 +22,6 @@
   :postgresql => {
     :settings => {
       :defaults => {
-        :shared_buffers => "8GB",
-        :maintenance_work_mem => "7144MB",
         :effective_cache_size => "16GB"
       }
     }

diff --git a/roles/pyrene.rb b/roles/pyrene.rb
@@ -37,8 +37,6 @@
   :postgresql => {
     :settings => {
       :defaults => {
-        :shared_buffers => "8GB",
-        :maintenance_work_mem => "7144MB",
         :effective_cache_size => "16GB"
       }
     }

diff --git a/roles/tile.rb b/roles/tile.rb
@@ -34,14 +34,16 @@
     :settings => {
       :defaults => {
         :max_connections => "250",
-        :temp_buffers => "32MB",
+        :shared_buffers => "16GB",
         :work_mem => "128MB",
+        :maintenance_work_mem => "8GB",
         :max_parallel_workers_per_gather => "0",
         :wal_level => "minimal",
         :wal_buffers => "1024kB",
         :wal_writer_delay => "500ms",
+        :checkpoint_timeout => "60min"
         :commit_delay => "10000",
-        :max_wal_size => "2880MB",
+        :max_wal_size => "10GB",
         :max_wal_senders => "0",
         :jit => "off",
         :track_activity_query_size => "16384",

diff --git a/roles/ysera.rb b/roles/ysera.rb
@@ -23,8 +23,6 @@
   :postgresql => {
     :settings => {
       :defaults => {
-        :shared_buffers => "8GB",
-        :maintenance_work_mem => "7144MB",
         :effective_cache_size => "16GB"
       }
     }