Thanks, I'll try this. I hadn't thought of graphing with the ==1 piece.
However, when I try this as EnumAsStateSet, it always has a value of 0 like
this:
cp850BitstreamFormat{cp850BitstreamFormat="0"} 1
I think this is because the OID is defined as OctetString, so I first need
to decode the hex to ASCII and then turn it into enum. Is this possible?
An example from snmpwalk:
$ snmpwalk -v2c -c public -m DOLBY-CP850-MIB 10.49.51.30
1.3.6.1.4.1.6729.2.1.1.1.3.2.4 -Ox
DOLBY-CP850-MIB::cp850BitstreamFormat.0 = Hex-STRING: 70 63 6D
The mib is called DOLBY-CP850-MIB. I've attached it here with its
dependencies.
On Tue, Aug 15, 2023 at 11:14 PM Ben Kochie <sup...@gmail.com> wrote:
> Prometheus is perfectly suited for these string values. The semi-static
> boolean 0/1 values compress very well, making it very efficient to store in
> the TSDB.
>
> There are three ways to handle this in the snmp_exporter. Default
> DisplayString as you have it, EnumAsInfo, and EnumAsStateSet.
>
> EnumAsInfo is useful for strings that you don't expect to change often /
> at all.
>
> EnumAsStateSet is useful for metrics where you are expecting the state to
> change. I'm guessing for your use case you want to use this one.
>
> Once you have this, you will get 8 series, but they will have a 0 or 1 for
> which the ENUM is set. Then you can graph 'cp850BitstreamFormat == 1' to
> view which is active.
>
> It would help if you posted a link to the MIB, as it would help to
> understand the underlying data.
>
> On Wed, Aug 16, 2023 at 7:06 AM 'Elliott Balsley' via Prometheus Users <
> prometheus-users@googlegroups.com> wrote:
>
>> As I'm evaluating Prometheus for SNMP monitoring, it seems like it's not
>> well suited for tracking string values. Is that correct, or can anyone
>> share how it's working for them?
>> As an example, I'm monitoring a Dolby CP850 and one of the metrics is
>> returned like this:
>>
>> cp850BitstreamFormat{cp850BitstreamFormat="dolbyAtmos"} 1
>>
>> There are 8 possible string values for that one. This OID type is
>> OctetString, and I am overriding to be DisplayString. So this becomes 8
>> separate time series, which is very hard to graph appropriately. My goal
>> is to track this (among other similar metrics) on a State Timeline in
>> grafana, where the key on the Y axis is "Bitstream Format" and the values
>> shows "dolbyAtmos", "pcm", "dolbyDigital", etc.
>>
>> I appreciate any ideas!
>>
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>>
>
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<<attachment: DOLBY_CP850_MIB_FILES.zip>>
