Makes sure galera can handle the connections

Increases the max_connections since this is currently set to 151.
This causes problems in a baremetal environment with multiple CPUs.
A related change is @ https://review.openstack.org/#/c/183046/2
for haproxy. There is also a bug report at

https://bugzilla.redhat.com/show_bug.cgi?id=1218322

Change-Id: I9b4690191616cc04c4edc7b2402bd9ec54a7d17d

diff --git a/puppet/manifests/overcloud_controller.pp b/puppet/manifests/overcloud_controller.pp
index 1b088a8..2b4e205 100644 (file)
--- a/puppet/manifests/overcloud_controller.pp
+++ b/puppet/manifests/overcloud_controller.pp
@@ -90,8 +90,10 @@ if hiera('step') >= 2 {
     config_file => $mysql_config_file,
     override_options => {
       'mysqld' => {
-        'bind-address' => hiera('controller_host')
-      }
+        'bind-address' => hiera('controller_host'),
+        'max_connections' => '1024',
+        'open_files_limit' => '-1',
+      },
     }
   }
 

diff --git a/puppet/manifests/overcloud_controller_pacemaker.pp b/puppet/manifests/overcloud_controller_pacemaker.pp
index d9618e8..3ab025d 100644 (file)
--- a/puppet/manifests/overcloud_controller_pacemaker.pp
+++ b/puppet/manifests/overcloud_controller_pacemaker.pp
@@ -156,6 +156,8 @@ if hiera('step') >= 2 {
       'query_cache_size'              => '0',
       'query_cache_type'              => '0',
       'bind-address'                  => hiera('controller_host'),
+      'max_connections'               => '1024',
+      'open_files_limit'              => '-1',
       'wsrep_provider'                => '/usr/lib64/galera/libgalera_smm.so',
       'wsrep_cluster_name'            => 'galera_cluster',
       'wsrep_slave_threads'           => '1',