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From Nan Xiao <xiaonan830...@gmail.com>
Subject Re: How can mesos print logs from VLOG function?
Date Wed, 30 Dec 2015 09:23:52 GMT
Hi Marco,

Yes, it worked, thanks very much!
Best Regards
Nan Xiao


On Wed, Dec 30, 2015 at 4:55 PM, Marco Massenzio <m.massenzio@gmail.com> wrote:
> Mesos uses Google Logging[0] and, according to the documentation there, the
> VLOG(n) calls are only logged if a variable GLOG_v=m (where n > m) is
> configured when running Mesos (the other suggested way, using --v=m won't
> work for mesos).
>
> Having said that, I have recently been unable to make this work - so there
> may be some other trickery at work.
>
> [0] https://google-glog.googlecode.com/svn/trunk/doc/glog.html
>
> --
> Marco Massenzio
> http://codetrips.com
>
> On Wed, Dec 30, 2015 at 12:30 AM, Nan Xiao <xiaonan830818@gmail.com> wrote:
>>
>> 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
>
>

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