Closed
Description
Description
Unexpected TimeSeriesLimitReached after HistogramLimitReached and trying to add more histogram instrument,
and no more Instrument can be added in session.
Reproduction Steps
- begin to listen EventSource named "System.Diagnostics.Metrics" with "MaxTimeSeries" and "MaxHistograms" options
- must be
MaxTimeSeries > MaxHistograms
(temporarily setMaxTimeSeries=3
,MaxHistograms=2
)
- must be
- create
System.Diagnostics.Metrics.Meter
- create Histogram via it
- do
Histogram.Record
3 times with different tag values(temporarily, "t1=1", "t1=2", "t1=3") - do
Histogram.Record
with tag value which is same as last record(temporarily, "t1=3")
sample program is following
https://gist.github.com/itn3000/9001546f1a0a9bcd53b7bc0ae4184bbd
Expected behavior
raise "HistogramLimitReached" only, no "TimeSeriesLimitReached".
and another Instrument like Counter<T>
can be started to listen after "HistogramLimitReached".
Actual behavior
raise "HistogramLimitReached" and "TimeSeriesLimitReached".
and no more Instrument can be started to listen after "TimeSeriesLimitReached"
Regression?
No response
Known Workarounds
- make "MaxHistograms" large to exceed possible histogram number
- avoiding do
Histogram.Record
which not listening(if it can)
Configuration
- dotnet-sdk: 6.0.0-rc2
- OS: win10-x64
Other information
I suspect around the "CheckTimeSeriesAllowed" and "CheckHistramAllowed"(currentTimeSeries is increased even if after reaching MaxHistograms?)