How can mesos print logs from VLOG function?

[Nan Xiao]

Hi all,

I want mesos prints logs from VLOG function:

VLOG(1) << "Executor started at: " << self()
            << " with pid " << getpid();

But from mesos help:

$ sudo ./bin/mesos-master.sh --help | grep -i LOG
  --external_log_file=VALUE                Specified the externally
managed log file. This file will be
                                           stderr logging as the log
file is otherwise unknown to Mesos.
  --[no-]initialize_driver_logging         Whether to automatically
initialize Google logging of scheduler
  --[no-]log_auto_initialize               Whether to automatically
initialize the replicated log used for the
                                           registry. If this is set to
false, the log has to be manually
  --log_dir=VALUE                          Directory path to put log
files (no default, nothing
                                           does not affect logging to stderr).
                                           NOTE: 3rd party log
messages (e.g. ZooKeeper) are
  --logbufsecs=VALUE                       How many seconds to buffer
log messages for (default: 0)
  --logging_level=VALUE                    Log message at or above
this level; possible values:
                                           will affect just the logs
from log_dir (if specified) (default: INFO)
  --[no-]quiet                             Disable logging to stderr
(default: false)
  --quorum=VALUE                           The size of the quorum of
replicas when using 'replicated_log' based
                                           available options are
'replicated_log', 'in_memory' (for testing). (default: replicated_log)

I can't find related configurations.

So how can mesos print  logs from VLOG function? Thanks in advance!

Best Regards
Nan Xiao