From: Grant Slater <git@firefishy.com>
Date: Mon, 25 Nov 2019 21:08:23 +0000 (+0000)
Subject: squid: tune number workers cpu
X-Git-Url: https://git.openstreetmap.org/chef.git/commitdiff_plain/50490c2f1235ee4db07c22775f98eb0a3563ef45

squid: tune number workers cpu
---

diff --git a/cookbooks/squid/templates/default/squid.conf.erb b/cookbooks/squid/templates/default/squid.conf.erb
index 114762f8c..bc6b1aff0 100644
--- a/cookbooks/squid/templates/default/squid.conf.erb
+++ b/cookbooks/squid/templates/default/squid.conf.erb
@@ -6,7 +6,8 @@ visible_hostname <%= node.name %>
 cache_mem  <%= node[:squid][:cache_mem] %>
 <% if node[:squid][:version] > 2 -%>
 
-workers <%= node[:cpu][:total] %>
+workers <%= [ node[:cpu][:total] - 2, 1 ].max.ceil %>
+cpu_affinity_map process_numbers=<%= (1..[ node[:cpu][:total] - 2, 1 ].max.ceil).to_a.join(',') %> cores=<%=(1..[ node[:cpu][:total] - 2, 1 ].max.ceil).to_a.join(',') %>
 
 error_log_languages off
 <% end -%>