Merge branch 'main' into feature/update-prometheus-to-otel-27

Author: lalitb

.github/workflows/ci.yml

@@ -132,7 +132,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@nightly
+      - uses: dtolnay/rust-toolchain@stable
         with:
           components: rustfmt
       - uses: arduino/setup-protoc@v3

opentelemetry-sdk/benches/metrics_counter.rs

@@ -1,13 +1,14 @@
 /*
     The benchmark results:
     criterion = "0.5.1"
-    OS: Ubuntu 22.04.3 LTS (5.15.146.1-microsoft-standard-WSL2)
+    rustc 1.82.0 (f6e511eec 2024-10-15)
+    OS: Ubuntu 22.04.3 LTS (5.15.167.4-microsoft-standard-WSL2)
     Hardware: AMD EPYC 7763 64-Core Processor - 2.44 GHz, 16vCPUs,
     RAM: 64.0 GB
     | Test                           | Average time|
     |--------------------------------|-------------|
-    | Counter_Add_Sorted             | 193 ns      |
-    | Counter_Add_Unsorted           | 209 ns      |
+    | Counter_Add_Sorted             | 172 ns      |
+    | Counter_Add_Unsorted           | 183 ns      |
     | Counter_Overflow               | 898 ns      |
     | ThreadLocal_Random_Generator_5 |  37 ns      |
 */

opentelemetry-sdk/benches/metrics_gauge.rs

@@ -1,12 +1,13 @@
 /*
     The benchmark results:
     criterion = "0.5.1"
-    OS: Ubuntu 22.04.4 LTS (5.15.153.1-microsoft-standard-WSL2)
-    Hardware: Intel(R) Xeon(R) Platinum 8370C CPU @ 2.80GHz, 16vCPUs,
+    rustc 1.82.0 (f6e511eec 2024-10-15)
+    OS: Ubuntu 22.04.4 LTS (5.15.167.4-microsoft-standard-WSL2)
+    Hardware: AMD EPYC 7763 64-Core Processor - 2.44 GHz, 16vCPUs,
     RAM: 64.0 GB
     | Test                           | Average time|
     |--------------------------------|-------------|
-    | Gauge_Add                      | 178.37 ns   |
+    | Gauge_Add                      | 187.49 ns   |
 */
 
 use criterion::{criterion_group, criterion_main, Criterion};

opentelemetry-sdk/benches/metrics_histogram.rs

@@ -1,12 +1,13 @@
 /*
     The benchmark results:
     criterion = "0.5.1"
-    OS: Ubuntu 22.04.4 LTS (5.15.153.1-microsoft-standard-WSL2)
-    Hardware: Intel(R) Xeon(R) Platinum 8370C CPU @ 2.80GHz, 16vCPUs,
+    rustc 1.82.0 (f6e511eec 2024-10-15)
+    OS: Ubuntu 22.04.4 LTS (5.15.167.4-microsoft-standard-WSL2)
+    Hardware: AMD EPYC 7763 64-Core Processor - 2.44 GHz, 16vCPUs,
     RAM: 64.0 GB
     | Test                           | Average time|
     |--------------------------------|-------------|
-    | Histogram_Record               | 193.04 ns   |
+    | Histogram_Record               | 225.04 ns   |
 
 */