Merge pull request #557 from maykinmedia/chore/update-uwsgi-logs-config

Avoid using `event` key in uwsgi logs

Author: stevenbal

bin/uwsgi.ini

@@ -16,8 +16,9 @@ log-route = uwsgilogger ^((?!\{).)*$
 
 ; leave already JSON formatted django logs as is
 log-encoder = format:djangologger ${msg}
-; Encode uWSGI server logs as JSON
-log-encoder = json:uwsgilogger {"source": "uwsgi", "type": "server", "timestamp": "${strftime:%%Y-%%m-%%dT%%H:%%M:%%S%%z}", "event": "${msg}", "level": "info"}
+; Encode uWSGI server logs as JSON - deliberately using msg instead of event due to
+; high cardinality of this key/label.
+log-encoder = json:uwsgilogger {"source": "uwsgi", "type": "server", "timestamp": "${strftime:%%Y-%%m-%%dT%%H:%%M:%%S%%z}", "msg": "${msg}", "level": "info"}
 
 ; these are uwsgi's own request logs (not to be confused with the request logs emitted
 ; by the application!)
@@ -29,4 +30,4 @@ logger-req = stdio
 log-format = {"source": "uwsgi", "event": "request", "method": "%(method)", "path": "%(uri)", "duration_in_ms": %(msecs), "status": %(status), "bytes": %(rsize), "referer": "%(referer)", "host": "%(host)", "timestamp": "%(iso8601timestamp)", "remote_ip": "%(addr)", "level": "info"}
 
 ; finally, ensure that all log lines are separated with a newline
-log-encoder = nl
+log-encoder = nl