[erlang-questions] Send VM metrics to Grafana

[John Doe]

Just a warning - error_logger is an async gen_server process, so it could
easily crash the VM if you can't control in and out rates of events.

2017-03-01 13:30 GMT+03:00 Jack Tang <himars@REDACTED>:

> Thank you for the hits, guys. We hook customized gen_event to error_logger
> like lager, and collect the crashed information. Also mnesia metrics are
> added. After some tests the code will be put to github :)
>
> On Wed, Mar 1, 2017 at 4:32 PM, Roger Lipscombe <roger@REDACTED>
> wrote:
>
>> On 28 February 2017 at 20:43, Anthony Molinaro
>> <anthonym@REDACTED> wrote:
>> > I haven't done it, but isn't there a gen_event behind the error_logger
>> you can somehow tap into to collect this?
>>
>> lager[1] hooks into error_logger to convert process crashes, etc. into
>> error reports. If you want specific stats, you could take a look at
>> how it does it.
>>
>> Or you could do what we do, which is simply to convert the
>> warning/error/etc. lager events into metrics, by using a custom lager
>> backend. You lose the per-process stats, but you still get a good
>> overview.
>>
>> [1]: https://github.com/erlang-lager/lager
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>
>
>
> --
> Jack Tang
>
>
> http://www.linkedin.com/in/jacktang
>
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