8000 [OTAGENT-390] switch DDOT's internal metrics to OTLP by songy23 · Pull Request #37471 · DataDog/datadog-agent · GitHub
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[OTAGENT-390] switch DDOT's internal metrics to OTLP #37471

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[OTAGENT-390] switch DDOT's internal metrics to OTLP #37471

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@songy23 songy23 commented May 28, 2025 •
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What does this PR do?

Switch DDOT's internal metrics from Prometheus to OTLP by default

Motivation

See https://docs.google.com/document/d/1KlsN-DhPYIHoRr69mhsB-aEDATpZxC2pg7nBKQbP7aI/edit?pli=1&tab=t.0

Describe how you validated your changes

new & modified tests

Possible Drawbacks / Trade-offs

Additional Notes

@songy23 songy23 added this to the 7.68.0 milestone May 28, 2025
@songy23 songy23 added changelog/no-changelog qa/done QA done before merge and regressions are covered by tests team/opentelemetry-agent labels May 28, 2025
@github-actions github-actions bot added the long review PR is complex, plan time to review it label May 28, 2025
@songy23 songy23 force-pushed the yang.song/OTAGENT-390 branch from a7d01c0 to 6da892d Compare May 28, 2025 21:02
@songy23 songy23 mentioned this pull request May 28, 2025
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cit-pr-commenter bot commented May 28, 2025 •
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Regression Detector

Regression Detector Results

Metrics dashboard
Target profiles
Run ID: 80e87088-6739-48dd-abb9-675c9d8f52b2

Baseline: cdd0e4d
Comparison: b193cd3
Diff

Optimization Goals: ✅ No significant changes detected

Fine details of change detection per experiment

perf experiment goal Δ mean % Δ mean % CI trials links
➖ docker_containers_cpu % cpu utilization +1.35 [-1.78, +4.49] 1 Logs
➖ uds_dogstatsd_to_api_cpu % cpu utilization +1.27 [+0.42, +2.12] 1 Logs
➖ ddot_metrics memory utilization +0.37 [+0.26, +0.49] 1 Logs
➖ otlp_ingest_metrics memory utilization +0.35 [+0.19, +0.50] 1 Logs
➖ quality_gate_idle memory utilization +0.24 [+0.19, +0.29] 1 Logs bounds checks dashboard
➖ uds_dogstatsd_20mb_12k_contexts_20_senders memory utilization +0.21 [+0.15, +0.28] 1 Logs
➖ docker_containers_memory memory utilization +0.16 [+0.08, +0.23] 1 Logs
➖ file_to_blackhole_0ms_latency egress throughput +0.06 [-0.58, +0.69] 1 Logs
➖ file_to_blackhole_300ms_latency egress throughput +0.03 [-0.53, +0.59] 1 Logs
➖ file_to_blackhole_0ms_latency_http2 egress throughput +0.02 [-0.61, +0.66] 1 Logs
➖ file_to_blackhole_1000ms_latency egress throughput +0.00 [-0.67, +0.68] 1 Logs
➖ tcp_dd_logs_filter_exclude ingress throughput -0.00 [-0.02, +0.02] 1 Logs
➖ uds_dogstatsd_to_api ingress throughput -0.00 [-0.27, +0.27] 1 Logs
➖ file_to_blackhole_1000ms_latency_linear_load egress throughput -0.03 [-0.26, +0.21] 1 Logs
➖ file_to_blackhole_500ms_latency egress throughput -0.04 [-0.64, +0.57] 1 Logs
➖ otlp_ingest_logs memory utilization -0.05 [-0.17, +0.08] 1 Logs
➖ file_to_blackhole_100ms_latency egress throughput -0.10 [-0.67, +0.48] 1 Logs
➖ file_to_blackhole_0ms_latency_http1 egress throughput -0.13 [-0.76, +0.50] 1 Logs
➖ ddot_logs memory utilization -0.70 [-0.83, -0.56] 1 Logs
➖ quality_gate_idle_all_features memory utilization -0.73 [-0.83, -0.63] 1 Logs bounds checks dashboard
➖ tcp_syslog_to_blackhole ingress throughput -1.27 [-1.34, -1.20] 1 Logs
➖ file_tree memory utilization -2.72 [-2.88, -2.56] 1 Logs
➖ quality_gate_logs % cpu utilization -3.15 [-5.90, -0.40] 1 Logs bounds checks dashboard

Bounds Checks: ❌ Failed

perf experiment bounds_check_name replicates_passed links
❌ docker_containers_memory memory_usage 0/10
✅ docker_containers_cpu simple_check_run 10/10
✅ docker_containers_memory simple_check_run 10/10
✅ file_to_blackhole_0ms_latency lost_bytes 10/10
✅ file_to_blackhole_0ms_latency memory_usage 10/10
✅ file_to_blackhole_0ms_latency_http1 lost_bytes 10/10
✅ file_to_blackhole_0ms_latency_http1 memory_usage 10/10
✅ file_to_blackhole_0ms_latency_http2 lost_bytes 10/10
✅ file_to_blackhole_0ms_latency_http2 memory_usage 10/10
✅ file_to_blackhole_1000ms_latency memory_usage 10/10
✅ file_to_blackhole_1000ms_latency_linear_load memory_usage 10/10
✅ file_to_blackhole_100ms_latency lost_bytes 10/10
✅ file_to_blackhole_100ms_latency memory_usage 10/10
✅ file_to_blackhole_300ms_latency lost_bytes 10/10
✅ file_to_blackhole_300ms_latency memory_usage 10/10
✅ file_to_blackhole_500ms_latency lost_bytes 10/10
✅ file_to_blackhole_500ms_latency memory_usage 10/10
✅ quality_gate_idle intake_connections 10/10 bounds checks dashboard
✅ quality_gate_idle memory_usage 10/10 bounds checks dashboard
✅ quality_gate_idle_all_features intake_connections 10/10 bounds checks dashboard
✅ quality_gate_idle_all_features memory_usage 10/10 bounds checks dashboard
✅ quality_gate_logs intake_connections 10/10 bounds checks dashboard
✅ quality_gate_logs lost_bytes 10/10 bounds checks dashboard
✅ quality_gate_logs memory_usage 10/10 bounds checks dashboard

Explanation

Confidence level: 90.00%
Effect size tolerance: |Δ mean %| ≥ 5.00%

Performance changes are noted in the perf column of each table:

  • ✅ = significantly better comparison variant performance
  • ❌ = significantly worse comparison variant performance
  • ➖ = no significant change in performance

A regression test is an A/B test of target performance in a repeatable rig, where "performance" is measured as "comparison variant minus baseline variant" for an optimization goal (e.g., ingress throughput). Due to intrinsic variability in measuring that goal, we can only estimate its mean value for each experiment; we report uncertainty in that value as a 90.00% confidence interval denoted "Δ mean % CI".

For each experiment, we decide whether a change in performance is a "regression" -- a change worth investigating further -- if all of the following criteria are true:

  1. Its estimated |Δ mean %| ≥ 5.00%, indicating the change is big enough to merit a closer look.

  2. Its 90.00% confidence interval "Δ mean % CI" does not contain zero, indicating that if our statistical model is accurate, there is at least a 90.00% chance there is a difference in performance between baseline and comparison variants.

  3. Its configuration does not mark it "erratic".

CI Pass/Fail Decision

✅ Passed. All Quality Gates passed.

  • quality_gate_idle, bounds check memory_usage: 10/10 replicas passed. Gate passed.
  • quality_gate_idle, bounds check intake_connections: 10/10 replicas passed. Gate passed.
  • quality_gate_idle_all_features, bounds check intake_connections: 10/10 replicas passed. Gate passed.
  • quality_gate_idle_all_features, bounds check memory_usage: 10/10 replicas passed. Gate passed.
  • quality_gate_logs, bounds check memory_usage: 10/10 replicas passed. Gate passed.
  • quality_gate_logs, bounds check lost_bytes: 10/10 replicas passed. Gate passed.
  • quality_gate_logs, bounds check intake_connections: 10/10 replicas passed. Gate passed.

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agent-platform-auto-pr bot commented May 28, 2025 •
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Static quality checks

✅ Please find below the results from static quality gates
Comparison made with ancestor cdd0e4d

Successful checks

Info

Quality gate Delta On disk size (MiB) Delta On wire size (MiB)
✅ agent_deb_amd64 DataNotFound $${\color{green}747.12}$$ < $${752.99}$$ DataNotFound $${\color{green}184.97}$$ < $${187.44}$$
✅ agent_deb_amd64_fips DataNotFound $${\color{green}745.49}$$ < $${751.36}$$ DataNotFound $${\color{green}184.45}$$ < $${187.06}$$
✅ agent_heroku_amd64 DataNotFound $${\color{green}368.73}$$ < $${369.68}$$ DataNotFound $${\color{green}98.67}$$ < $${99.55}$$
✅ agent_msi DataNotFound $${\color{green}986.38}$$ < $${987.01}$$ DataNotFound $${\color{green}149.72}$$ < $${150.72}$$
✅ agent_rpm_amd64 DataNotFound $${\color{green}747.11}$$ < $${752.98}$$ DataNotFound $${\color{green}186.53}$$ < $${190.03}$$
✅ agent_rpm_amd64_fips DataNotFound $${\color{green}745.48}$$ < $${751.35}$$ DataNotFound $${\color{green}186.24}$$ < $${189.81}$$
✅ agent_rpm_arm64 DataNotFound $${\color{green}733.83}$$ < $${739.42}$$ DataNotFound $${\color{green}168.64}$$ < $${171.23}$$
✅ agent_rpm_arm64_fips DataNotFound $${\color{green}732.32}$$ < $${737.91}$$ DataNotFound $${\color{green}167.7}$$ < $${170.22}$$
✅ agent_suse_amd64 DataNotFound $${\color{green}747.11}$$ < $${752.98}$$ DataNotFound $${\color{green}186.53}$$ < $${190.03}$$
✅ agent_suse_amd64_fips DataNotFound $${\color{green}745.48}$$ < $${751.35}$$ DataNotFound $${\color{green}186.24}$$ < $${189.81}$$
✅ agent_suse_arm64 DataNotFound $${\color{green}733.83}$$ < $${739.42}$$ DataNotFound $${\color{green}168.64}$$ < $${171.23}$$
✅ agent_suse_arm64_fips DataNotFound $${\color{green}732.32}$$ < $${737.91}$$ DataNotFound $${\color{green}167.7}$$ < $${170.22}$$
✅ docker_agent_amd64 DataNotFound $${\color{green}830.91}$$ < $${849.39}$$ DataNotFound $${\color{green}282.17}$$ < $${288.34}$$
✅ docker_agent_arm64 DataNotFound $${\color{green}841.08}$$ < $${858.97}$$ DataNotFound $${\color{green}268.3}$$ < $${274.36}$$
✅ docker_agent_jmx_amd64 DataNotFound $${\color{green}830.91}$$ < $${849.39}$$ DataNotFound $${\color{green}282.17}$$ < $${288.34}$$
✅ docker_agent_jmx_arm64 DataNotFound $${\color{green}841.08}$$ < $${858.97}$$ DataNotFound $${\color{green}268.3}$$ < $${274.36}$$
✅ docker_agent_windows1809 DataNotFound $${\color{green}830.91}$$ < $${849.39}$$ DataNotFound $${\color{green}282.17}$$ < $${288.34}$$
✅ docker_agent_windows1809_core DataNotFound $${\color{green}830.91}$$ < $${849.39}$$ DataNotFound $${\color{green}282.17}$$ < $${288.34}$$
✅ docker_agent_windows1809_core_jmx DataNotFound $${\color{green}830.91}$$ < $${849.39}$$ DataNotFound $${\color{green}282.17}$$ < $${288.34}$$
✅ docker_agent_windows1809_jmx DataNotFound $${\color{green}830.91}$$ < $${849.39}$$ DataNotFound $${\color{green}282.17}$$ < $${288.34}$$
✅ docker_agent_windows2022 DataNotFound $${\color{green}830.91}$$ < $${849.39}$$ DataNotFound $${\color{green}282.17}$$ < $${288.34}$$
✅ docker_agent_windows2022_core DataNotFound $${\color{green}830.91}$$ < $${849.39}$$ DataNotFound $${\color{green}282.17}$$ < $${288.34}$$
✅ docker_agent_windows2022_core_jmx DataNotFound $${\color{green}830.91}$$ < $${849.39}$$ DataNotFound $${\color{green}282.17}$$ < $${288.34}$$
✅ docker_agent_windows2022_jmx DataNotFound $${\color{green}830.91}$$ < $${849.39}$$ DataNotFound $${\color{green}282.17}$$ < $${288.34}$$
✅ docker_cluster_agent_amd64 DataNotFound $${\color{green}259.09}$$ < $${259.73}$$ DataNotFound $${\color{green}102.84}$$ < $${103.68}$$
✅ docker_cluster_agent_arm64 DataNotFound $${\color{green}273.56}$$ < $${274.24}$$ DataNotFound $${\color{green}97.56}$$ < $${98.45}$$
✅ docker_cws_instrumentation_amd64 DataNotFound $${\color{green}7.08}$$ < $${7.12}$$ DataNotFound $${\color{green}2.95}$$ < $${3.29}$$
✅ docker_cws_instrumentation_arm64 DataNotFound $${\color{green}6.69}$$ < $${6.92}$$ DataNotFound $${\color{green}2.7}$$ < $${3.07}$$
✅ docker_dogstatsd_amd64 DataNotFound $${\color{green}38.92}$$ < $${39.57}$$ DataNotFound $${\color{green}14.94}$$ < $${15.76}$$
✅ docker_dogstatsd_arm64 DataNotFound $${\color{green}37.52}$$ < $${38.2}$$ DataNotFound $${\color{green}13.96}$$ < $${14.83}$$
✅ dogstatsd_deb_amd64 DataNotFound $${\color{green}30.6}$$ < $${31.52}$$ DataNotFound $${\color{green}8.03}$$ < $${8.97}$$
✅ dogstatsd_deb_arm64 DataNotFound $${\color{green}29.15}$$ < $${30.08}$$ DataNotFound $${\color{green}6.97}$$ < $${7.92}$$
✅ dogstatsd_rpm_amd64 DataNotFound $${\color{green}30.6}$$ < $${31.52}$$ DataNotFound $${\color{green}8.04}$$ < $${8.98}$$
✅ dogstatsd_suse_amd64 DataNotFound $${\color{green}30.6}$$ < $${31.52}$$ DataNotFound $${\color{green}8.04}$$ < $${8.98}$$
✅ iot_agent_deb_amd64 DataNotFound $${\color{green}59.9}$$ < $${60.17}$$ DataNotFound $${\color{green}14.98}$$ < $${15.82}$$
✅ iot_agent_deb_arm64 DataNotFound $${\color{green}56.63}$$ < $${56.94}$$ DataNotFound $${\color{green}12.85}$$ < $${13.86}$$
✅ iot_agent_deb_armhf DataNotFound $${\color{green}56.08}$$ < $${56.41}$$ DataNotFound $${\color{green}13.0}$$ < $${13.86}$$
✅ iot_agent_rpm_amd64 DataNotFound $${\color{green}59.9}$$ < $${60.18}$$ DataNotFound $${\color{green}15.0}$$ < $${15.84}$$
✅ iot_agent_rpm_arm64 DataNotFound $${\color{green}56.63}$$ < $${56.94}$$ DataNotFound $${\color{green}12.87}$$ < $${13.76}$$
✅ iot_agent_suse_amd64 DataNotFound $${\color{green}59.9}$$ < $${60.18}$$ DataNotFound $${\color{green}15.0}$$ < $${15.84}$$

@songy23 songy23 force-pushed the yang.song/OTAGENT-390 branch from 6da892d to ec09b87 Compare May 29, 2025 19:55
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