From 6ef88ef1f6b6e0dfc98a9dc8041458cbbba07956 Mon Sep 17 00:00:00 2001
From: Grant Slater <github@firefishy.com>
Date: Fri, 26 Jun 2026 09:24:58 +0100
Subject: [PATCH] imagery: bump ZA and tune mapserv

---
 cookbooks/imagery/recipes/za_ngi_aerial.rb | 2 +-
 cookbooks/imagery/resources/site.rb        | 5 +++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/cookbooks/imagery/recipes/za_ngi_aerial.rb b/cookbooks/imagery/recipes/za_ngi_aerial.rb
index e8b0781c9..21fddc424 100644
--- a/cookbooks/imagery/recipes/za_ngi_aerial.rb
+++ b/cookbooks/imagery/recipes/za_ngi_aerial.rb
@@ -36,5 +36,5 @@ imagery_layer "ngi-aerial" do
   extension "png"
   default_layer true
   url_aliases ["/ngi-aerial"]
-  revision 4
+  revision 5
 end
diff --git a/cookbooks/imagery/resources/site.rb b/cookbooks/imagery/resources/site.rb
index 93b5814e0..dc7fbf095 100644
--- a/cookbooks/imagery/resources/site.rb
+++ b/cookbooks/imagery/resources/site.rb
@@ -110,9 +110,10 @@ action :create do
 
   systemd_service "mapserv-fcgi-#{new_resource.site}" do
     description "Map server for #{new_resource.site} layer"
-    environment "MS_DEBUGLEVEL" => "0",
+    environment "GDAL_NUM_THREADS" => "2",
+                "GDAL_CACHEMAX" => "2048",
+                "MS_DEBUGLEVEL" => "0",
                 "MS_ERRORFILE" => "stderr",
-                "GDAL_CACHEMAX" => "200",
                 "CPL_VSIL_CURL_CACHE_SIZE" => "200000000",
                 "GDAL_BAND_BLOCK_CACHE" => "HASHSET",
                 "GDAL_DISABLE_READDIR_ON_OPEN" => "EMPTY_DIR",
-- 
2.47.3