update logging to add pid to filename, so we don't have to worry about multiple…

update logging to add pid to filename, so we don't have to worry about multiple processes trying to share the same log file

settings_new_askbot.py

@@ -135,6 +135,9 @@ execfile(os.path.join(BASE_DIR, "settings.py"))
 # the site admins on every HTTP 500 error.
 # See http://docs.djangoproject.com/en/dev/topics/logging for
 # more details on how to customize your logging configuration.
+
+pid = os.getpid()
+
 LOGGING = {
     'version': 1,
     'disable_existing_loggers': True,
@@ -163,14 +166,14 @@ LOGGING = {
             'level' : 'DEBUG' if DEBUG else 'INFO',
             'class' : 'logging.handlers.WatchedFileHandler',
             'formatter' : 'standard',
-            'filename' : LOG_DIR + '/mitx.log', # temporary location for proof of concept
+            'filename' : '{0}/mitx.{1}.log'.format(LOG_DIR, pid),
             'encoding' : 'utf-8',
         },
         'app_err' : {
             'level' : 'WARNING',
             'class' : 'logging.handlers.WatchedFileHandler',
             'formatter' : 'standard',
-            'filename' : LOG_DIR + '/mitx.err.log', # temporary location for proof of concept
+            'filename' : '{0}/mitx.err.{1}.log'.format(LOG_DIR, pid),
             'encoding' : 'utf-8',
         },
         # We should actually use this for tracking:
@@ -179,7 +182,7 @@ LOGGING = {
             'level' : 'INFO',
             'class' : 'logging.handlers.WatchedFileHandler',
             'formatter' : 'raw',
-            'filename' : LOG_DIR + '/tracking.log',
+            'filename' : '{0}/tracking.{1}.log'.format(LOG_DIR, pid),
             'encoding' : 'utf-8',
         },
         'mail_admins' : {