loggers: add PID into logs for easier debugging of multi worker logs.

configs/development.ini

@@ -705,12 +705,12 b' formatter = color_formatter_sql'
 
 [formatter_generic]
 class = rhodecode.lib.logging_formatter.ExceptionAwareFormatter
-format = %(asctime)s.%(msecs)03d %(levelname)-5.5s [%(name)s] %(message)s
+format = %(asctime)s.%(msecs)03d [%(process)d] %(levelname)-5.5s [%(name)s] %(message)s
 datefmt = %Y-%m-%d %H:%M:%S
 
 [formatter_color_formatter]
 class = rhodecode.lib.logging_formatter.ColorFormatter
-format = %(asctime)s.%(msecs)03d %(levelname)-5.5s [%(name)s] %(message)s
+format = %(asctime)s.%(msecs)03d [%(process)d] %(levelname)-5.5s [%(name)s] %(message)s
 datefmt = %Y-%m-%d %H:%M:%S
 
 [formatter_color_formatter_sql]

configs/production.ini

@@ -675,12 +675,12 b' formatter = generic'
 
 [formatter_generic]
 class = rhodecode.lib.logging_formatter.ExceptionAwareFormatter
-format = %(asctime)s.%(msecs)03d %(levelname)-5.5s [%(name)s] %(message)s
+format = %(asctime)s.%(msecs)03d [%(process)d] %(levelname)-5.5s [%(name)s] %(message)s
 datefmt = %Y-%m-%d %H:%M:%S
 
 [formatter_color_formatter]
 class = rhodecode.lib.logging_formatter.ColorFormatter
-format = %(asctime)s.%(msecs)03d %(levelname)-5.5s [%(name)s] %(message)s
+format = %(asctime)s.%(msecs)03d [%(process)d] %(levelname)-5.5s [%(name)s] %(message)s
 datefmt = %Y-%m-%d %H:%M:%S
 
 [formatter_color_formatter_sql]