CodeIgniter REST Api log on separated DB 20 seconds more - mysql

Question

I have a REST Api Codeigniter server which respond very well. 0.02 sec max per call.
I want to enable the logs but when i do it, responses take 20 more secondes. So 20.02 seconds for the same process.
I found that the time is lost in REST_Controller.php file at this line :
$this->rest->db = $this->load->database($this->config->item('rest_database_group'), TRUE);
When the rest DB is loaded.
My Database file have 2 DB records like this :
$active_group = 'default';
$query_builder = TRUE;
$db['default'] = array(
//'dsn' => '',
'hostname' => 'X.X.X.X',
'username' => 'my_user',
'password' => 'my_pass',
'database' => 'my_database',
'dbdriver' => 'mysqli',
'dbprefix' => '',
'pconnect' => FALSE,
'db_debug' => (ENVIRONMENT !== 'production'),
'cache_on' => FALSE,
'cachedir' => '',
'char_set' => 'utf8',
'dbcollat' => 'utf8_general_ci',
'swap_pre' => '',
'encrypt' => FALSE,
'compress' => FALSE,
'stricton' => FALSE,
'failover' => array(),
'save_queries' => TRUE
);
$db['rest'] = array(
//'dsn' => '',
'hostname' => 'X.X.X.X',
'username' => 'my_user',
'password' => 'my_pass',
'database' => 'my_database',
'dbdriver' => 'mysqli',
'dbprefix' => '',
'pconnect' => FALSE,
'db_debug' => (ENVIRONMENT !== 'production'),
'cache_on' => FALSE,
'cachedir' => '',
'char_set' => 'utf8',
'dbcollat' => 'utf8_general_ci',
'swap_pre' => '',
'encrypt' => FALSE,
'compress' => FALSE,
'stricton' => FALSE,
'failover' => array(),
'save_queries' => TRUE
);
And my config file have $config['rest_database_group'] = 'rest';
The log line is written in the rest database without any problems but 20 seconds more than without logs...
Any ideas?
Thks for your help.
David.

Answer 1

Thks for your help. I found the solution.
There was a DNS Problem on my MySQL Server. Just talk with IP addresses is not enougth. I had to specify my Server's names in hosts files on each server.
The lag time of 20 seconds was on the MySQL SQL there was a login trying of a unauthenticated user from my server.
Problem is gone with DNS parms.
Bye !