From 14b636b3de647a5742e88cb718a3f9d566437b6a Mon Sep 17 00:00:00 2001
From: Tom Hughes <tom@compton.nu>
Date: Wed, 6 Nov 2019 12:08:02 +0000
Subject: [PATCH] Increase task limit for apache on nominatim servers

---
 cookbooks/nominatim/recipes/default.rb          | 7 +++++++
 cookbooks/systemd/resources/service.rb          | 1 +
 cookbooks/systemd/templates/default/service.erb | 3 +++
 3 files changed, 11 insertions(+)

diff --git a/cookbooks/nominatim/recipes/default.rb b/cookbooks/nominatim/recipes/default.rb
index 63fe2ca06..b1c75a47b 100644
--- a/cookbooks/nominatim/recipes/default.rb
+++ b/cookbooks/nominatim/recipes/default.rb
@@ -340,6 +340,13 @@ node[:nominatim][:fpm_pools].each do |name, data|
   end
 end
 
+systemd_service "apache-nominatim" do
+  service "apache2"
+  dropin "nominatim"
+  tasks_max 12000
+  notifies :restart, "service[apache2]"
+end
+
 ssl_certificate "nominatim.openstreetmap.org" do
   domains ["nominatim.openstreetmap.org",
            "nominatim.osm.org",
diff --git a/cookbooks/systemd/resources/service.rb b/cookbooks/systemd/resources/service.rb
index 3132c63cd..282b36178 100644
--- a/cookbooks/systemd/resources/service.rb
+++ b/cookbooks/systemd/resources/service.rb
@@ -59,6 +59,7 @@ property :protect_system, [TrueClass, FalseClass, String]
 property :protect_home, [TrueClass, FalseClass, String]
 property :restrict_address_families, [String, Array]
 property :no_new_privileges, [TrueClass, FalseClass]
+property :tasks_max, Integer
 property :timeout_sec, Integer
 property :pid_file, String
 
diff --git a/cookbooks/systemd/templates/default/service.erb b/cookbooks/systemd/templates/default/service.erb
index ed117c24e..46b8aa575 100644
--- a/cookbooks/systemd/templates/default/service.erb
+++ b/cookbooks/systemd/templates/default/service.erb
@@ -99,6 +99,9 @@ RestrictAddressFamilies=<%= Array(@restrict_address_families).join(" ") %>
 <% if @no_new_privileges -%>
 NoNewPrivileges=<%= @no_new_privileges %>
 <% end -%>
+<% if @tasks_max -%>
+TasksMax=<%= @tasks_max %>
+<% end -%>
 <% if @success_exit_status -%>
 SuccessExitStatus=<%= Array(@success_exit_status).join(" ") %>
 <% end -%>
-- 
2.43.2