[erlang-questions] seq_trace with bigint labels
Wed Jan 24 17:26:43 CET 2018
Great! And yea, it doesn't have to be dynamic. For census it needs to be
128bits for the trace id and span ids are 64bits.
"I am not a crackpot" - Abe Simpson
On Wed, Jan 24, 2018, at 1:34 AM, Kenneth Lundin wrote:
> I will take it up to discussion within the OTP team and come back with
> an answer as soon as possible.> The idea with the small_int solution is that we wanted an immediate
> data here to avoid dynamic memory allocation. But I think it would be
> possible to allow a bigger> value which still is of fixed size (big int is dynamic).
> I think it would be very good if seqtrace could support use cases
> like this.>
> /Kenneth, Erlang/OTP team at Ericsson
> On Tue, Jan 23, 2018 at 6:12 PM, Tristan Sloughter
> <t@REDACTED> wrote:>> > Ideally we'd have a solution where the individual applications
>> > would not>> > have to be modified/recompiled but the whole node could be
>> > configured to>> > send trace data out to a trace collector.
>> Mostly. You'd still need to include the app that is capable of
>> receiving the seq_trace messages and formatting spans to be reported
>> from them, but you'd be able to trace any message path without code
>> But yea, I don't know either if it is as simple as letting it use
>> bigints, or what the consequences of doing so would be.>>
>> Hopefully someone on the OTP team sees this and can answer :)
>> erlang-questions mailing list
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