Ehsan Saei

race condition in attributes_hashmap_benchmark

2

We have a race condition in [`attributes_hashmap_benchmark`](https://github.com/open-telemetry/opentelemetry-cpp/runs/7657257924?check_suite_focus=true#step:5:592): ``` WARNING: ThreadSanitizer: data race (pid=12) Write of size 8 at 0x7ffd627125c0 by main thread: #0 (anonymous namespace)::BM_AttributseHashMap(benchmark::State&) (attributes_hashmap_benchmark_smoketest+0x9b0d9) #1 benchmark::internal::FunctionBenchmark::Run(benchmark::State&) (libexternal_Scom_Ugithub_Ugoogle_Ubenchmark_Slibbenchmark.so+0xa7c52) #2...

Fix default Metric view name

1

Fixes #1510 (issue) ## Changes when the view is not registered, creates and registers a new view with the provided information. For significant contributions please make sure you have completed...

Add CI jobs for new and deprecated metrics

1

Fixes #1494 (issue) ## Changes makes all jobs testing the new metrics and adds `bazel` and `cmake`, `gcc 4.8` jobs for testing deprecated metrics. For significant contributions please make sure...

[WIP] Fix metrics context circular reference

1

Fixes #1534 (issue) ## Changes Please provide a brief description of the changes here. For significant contributions please make sure you have completed the following items: * [ ] `CHANGELOG.md`...

There is circular reference between `meter` and `context`: https://github.com/open-telemetry/opentelemetry-cpp/runs/7600470707?check_suite_focus=true#step:5:806 This causes a memory leak.

Specs: https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/metrics/sdk.md#exemplar ExemplarFilter determines if a measurement should be sampled Properties - value of measurement, attributes of measurement, context of measurement, timestamp ExemplarReservoir provides a method to offer measurements to...

[Metrics SDK] Add Metrics ExemplarFilter and ExemplarReservoir

1

Fixes #1498 (issue) ## Changes implements `FilteredExemplarReservoir`, `HistogramExemplarReservoir` and `WithTraceSampleFilter`. For significant contributions please make sure you have completed the following items: * [ ] `CHANGELOG.md` updated for non-trivial changes...

add CI test with gRPC latest release

4

Fixes #1607 (issue) ## Changes Adds a new CI which tests otlp exporters using the latest gRPC release. For significant contributions please make sure you have completed the following items:...

Add CI test with C++14, and latest gRPC release.

2

As discussed in September 7th, 2022 SIG meeting, we need a CI that tests otlp exporters using the latest gRPC release. As gRPC no longer support std 11, gRPC has...

[WIP] feat: OpenTelemetry module integration

3

## What this PR does / why we need it: ## Types of changes - [ ] Bug fix (non-breaking change which fixes an issue) - [ ] New feature...