Re: [pcp] PMDA Metrics Limit

[Marko Myllynen <myllynen@xxxxxxxxxx>]

Hi,

On 2016-03-07 23:44, Nathan Scott wrote:
> ----- Original Message -----
>> [...]
>> It would seem that the limitation still exists for PMDAs, see the below
>> test PMDA - it works as expected if the innermost loop is removed from
>> generate_metrics() (676 metrics added) but if the innermost loop is in
>> place, then only 1024 metrics are added even though there are over 17k
>> metrics in the hash:
>> [...]
>>         $pmda->add_metric(pmda_pmid(0, $i++),
> 
> You're not using the cluster space (the 0 above) - only item ($i above),
> which is limiting the number of metrics you can have artificially here.

Confirmed, by putting max 1024 metrics per cluster space all the ~17k
metrics can be added for the PMDA.

This makes me wonder shouldn't the user get some sort of warning about
the situation, now data is silently discarded in a non-obvious manner?

Thanks,

-- 
Marko Myllynen