From 6225dc532401d762c78b4b296c8c0720913142bd Mon Sep 17 00:00:00 2001
From: Sarah Hoffmann <lonvia@denofr.de>
Date: Sat, 27 May 2017 15:49:33 +0200
Subject: [PATCH] nominatim: adapt updates to current load

---
 cookbooks/nominatim/templates/default/updater.erb | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/cookbooks/nominatim/templates/default/updater.erb b/cookbooks/nominatim/templates/default/updater.erb
index bf9a00101..8345205cb 100644
--- a/cookbooks/nominatim/templates/default/updater.erb
+++ b/cookbooks/nominatim/templates/default/updater.erb
@@ -5,13 +5,25 @@
 # Change to Nominatim directory
 cd <%= @bindir %>
 
+num_cpus=`cat /proc/cpuinfo | grep -c processor`
+num_cpus=(($num_cpus - 2))
+
 while [ ! -f "<%= @update_stop_file %>" ]
 do
     # Send output to the log (logrotatable)
     exec >> <%= @logfile %> 2>&1
     starttime=`date +%s`
 
-    ./utils/update.php --no-npi --import-osmosis
+    current_load=`cat /proc/loadavg | cut -f 2 -d ' ' | sed 's:\..*::'`
+
+    if [[ $current_load -lt $num_cpus ]]
+    then
+        INST=2
+    else
+        INST=1
+    fi
+
+    ./utils/update.php --no-npi --import-osmosis --index-instances $INST
 
 <% if node[:nominatim][:enable_git_updates] -%>
     pushd <%= @srcdir %>
-- 
2.43.2