[erlang-questions] OTP-EVA-MIB

Alain O'Dea <>
Fri Dec 3 05:14:20 CET 2010


I'm pretty sure QLC replaced mnemosyne a while ago :)

On Thursday, December 2, 2010, Andrey Pampukha
<> wrote:
> +1. Digging deeper into EVA's documentation, I've found very interesting thing:
> Handle = query [E.generated || E <- table(eventTable), E.name = Name] end
>
> Usage of the 'query' keyword in R14B leads to the following output:
> 1> query [X*2||X<-lists:seq(1,10)] end.
> * 1: mnemosyne query, missing transformation
>
> Googling for "erlang mnemosyne", the following link can be found:
> http://www.erlang.org/documentation/doc-5.5.5/lib/mnemosyne-1.2.7.1/doc/html/mnemosyne.html
> It's sayd that mnemosyne is some query language for Mnesia.
> This application is also can't be found in recent Erlang/OTP releases...
>
> 2010/12/2, Dmitriy Kargapolov <>:
>> Yes.. Per "other releases" docs eva application was buried sometime between
>> Erlang/OTP 5.3.6.13 (R9C Patched) and Erlang/OTP 5.4 (R10B) ... It still
>> would be interesting to hear from original authors why it went that way...
>>
>> On Thu, Dec 2, 2010 at 12:33 PM, Andrey Pampukha
>> <>wrote:
>>
>>> This is the latest mention of EVA that I've found:
>>> http://www.erlang.org/documentation/doc-5.3.6.13/lib/eva-2.0.4/doc/html/
>>>
>>> 2010/12/2, Andrey Pampukha <>:
>>> > I've just tried googling for OTP-EVA-MIB,
>>> > found some interesting links to obsolete Erlang/OTP docs like
>>> >
>>> http://www.erlang.org/documentation/doc-5.2/lib/eva-2.0.3/doc/html/eva_snmp_adaptation.html
>>> >
>>> > EVA is Event and Alarm handler, and I guess it has been deprecated and
>>> > removed from OTP someday, but not fully.
>>> > I suppose it might be the rudiments of some Ericsson's product written
>>> > in Erlang like AXD301...
>>> >
>>> > 2010/12/2, Dmitriy Kargapolov <>:
>>> >> Hello,
>>> >>
>>> >> Does anybody know if logging and alarm management based on
>>> >> OTP-EVA-MIB.mib
>>> >> have ever been implemented?
>>> >> I found content of this MIB pretty interesting. It makes me thinking
>>> that
>>> >> there could be at least attempt to implement OTP logging and alarm
>>> >> management via SNMP, but I couldn't find any traces of this. Just one
>>> >> file
>>> >> lib/otp_mibs/mibs/OTP-EVA-MIB.mib which by default is not copied into
>>> >> release tarball, and some artefacts:
>>> >> $ grep -C3 evaLog lib/tv/src/tv_main.hrl
>>> >>
>>> >> -define(MNESIA_TABLES, [alarm,
>>> >>             alarmTable,
>>> >>             evaLogDiscriminatorTable,
>>> >>             eva_snmp_map,
>>> >>             eventTable,
>>> >>             group,
>>> >>
>>> >> Thanks.
>>> >>
>>> >
>>>
>>
>
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