Metric Aggregation metadata is stored into a field instead of properties dictionary #929
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…ties in Properties Getter method. This should improve performance as MetricExtractor sits before sampling, and accessing Properties ConcurrentDictionary is avoided until later in the pipeline. With sampling most items are dropped and hence this gives perf boost.
Dmitry-Matveev
approved these changes
Oct 2, 2018
| { | ||
| extractionPipelineInfo = extractionPipelineInfo + "; "; | ||
| } | ||
| extractionPipelineInfo = String.Empty; |
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is stylecop fine with String uppercased? I'm surprised
SergeyKanzhelev
approved these changes
Oct 2, 2018
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Metric Aggregation metadata is stored into a field instead of properties dictionary, to improve performance.
When someone read the properties, the field value is copied to the properties, so change in behavior.
Since metric aggregator sits before Sampling, this avoids the Properties (ConcurrentDictionary) access until late in the pipeline (serialization). In effect, for items that are dropped after sampling, no Properties access.
Fix #930
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