Replace batch processor with exporter helper: OTLP ingest

[RiantZ]

What does this PR do?

Replace OTLP batch processor by exporter helper inside static OTLP pipelines configuration for CoreAgent.

Motivation

The primary reason for replacement is coming end-of-life for batch processor.
More details: open-telemetry/opentelemetry-collector#8122

Describe how you validated your changes

Setup

• local core agent + new configuration for otel internal pipeline
• dev org dashboard to receive logs & metrics
• custom go application to send logs & metrics every 3 seconds

Test types:

• Functional verification:
  • Check local batching processing timestampes by instrumenting (locally)
    • function ConsumeMetrics at datadog-agent/comp/otelcol/otlp/components/exporter/serializerexporter/exporter.go
    • function ConsumeLogs at datadog-agent/comp/otelcol/otlp/components/exporter/logsagentexporter/logs_exporter.go
      To print timestamps and parameters of logs & metrics received from batch (exporter helper)
• Long run tests for 4 hours
• Short stress test - logs and metrics are emitted at hight speed (1024 per second)

Acceptance criteria:

• Batch push logs at expected frequency (timestamp verification locally and at dashboard)
• Data is coming in proper order
• Data is coming without losses

[agent-platform-auto-pr]

Static quality checks

✅ Please find below the results from static quality gates
Comparison made with ancestor 49a42a7

Successful checks

Info

	Quality gate	Delta	On disk size (MiB)	Delta	On wire size (MiB)
✅	agent_deb_amd64	$${+0}$$	$${677.08}$$ < $${702.15}$$	$${-0.01}$$	$${165.23}$$ < $${177.79}$$
✅	agent_deb_amd64_fips	$${+0.02}$$	$${671.6}$$ < $${696.65}$$	$${-0.01}$$	$${164.27}$$ < $${176.53}$$
✅	agent_heroku_amd64	$${-0}$$	$${336.53}$$ < $${340.18}$$	$${+0}$$	$${89.81}$$ < $${91.08}$$
✅	agent_msi	$${+0.01}$$	$${1013.43}$$ < $${1015.38}$$	$${0}$$	$${148.21}$$ < $${150.78}$$
✅	agent_rpm_amd64	$${+0}$$	$${677.07}$$ < $${702.14}$$	$${+0}$$	$${167.44}$$ < $${180.53}$$
✅	agent_rpm_amd64_fips	$${+0.02}$$	$${671.59}$$ < $${696.64}$$	$${-0}$$	$${166.11}$$ < $${178.79}$$
✅	agent_rpm_arm64	$${+0}$$	$${667.09}$$ < $${686.31}$$	$${+0.02}$$	$${153.44}$$ < $${161.22}$$
✅	agent_rpm_arm64_fips	$${+0}$$	$${662.62}$$ < $${681.84}$$	$${+0}$$	$${152.6}$$ < $${160.18}$$
✅	agent_suse_amd64	$${+0}$$	$${677.07}$$ < $${702.14}$$	$${+0}$$	$${167.44}$$ < $${180.53}$$
✅	agent_suse_amd64_fips	$${+0.02}$$	$${671.59}$$ < $${696.64}$$	$${-0}$$	$${166.11}$$ < $${178.79}$$
✅	agent_suse_arm64	$${+0}$$	$${667.09}$$ < $${686.31}$$	$${+0.02}$$	$${153.44}$$ < $${161.22}$$
✅	agent_suse_arm64_fips	$${+0}$$	$${662.62}$$ < $${681.84}$$	$${+0}$$	$${152.6}$$ < $${160.18}$$
✅	docker_agent_amd64	$${+0}$$	$${747.64}$$ < $${773.59}$$	$${-0}$$	$${252.08}$$ < $${266.06}$$
✅	docker_agent_arm64	$${+0}$$	$${761.6}$$ < $${781.7}$$	$${+0.02}$$	$${242.7}$$ < $${251.85}$$
✅	docker_agent_jmx_amd64	$${+0}$$	$${938.5}$$ < $${964.45}$$	$${-0}$$	$${320.72}$$ < $${334.68}$$
✅	docker_agent_jmx_arm64	$${+0}$$	$${941.06}$$ < $${961.17}$$	$${-0.01}$$	$${307.29}$$ < $${316.44}$$
✅	docker_cluster_agent_amd64	$${0}$$	$${213.35}$$ < $${213.74}$$	$${+0}$$	$${72.41}$$ < $${73.14}$$
✅	docker_cluster_agent_arm64	$${-0}$$	$${229.24}$$ < $${229.68}$$	$${+0}$$	$${68.68}$$ < $${69.41}$$
✅	docker_cws_instrumentation_amd64	$${0}$$	$${7.07}$$ < $${7.12}$$	$${+0}$$	$${2.95}$$ < $${3.29}$$
✅	docker_cws_instrumentation_arm64	$${0}$$	$${6.69}$$ < $${6.92}$$	$${+0}$$	$${2.7}$$ < $${3.07}$$
✅	docker_dogstatsd_amd64	$${0}$$	$${38.45}$$ < $${39.3}$$	$${+0}$$	$${14.84}$$ < $${15.76}$$
✅	docker_dogstatsd_arm64	$${0}$$	$${37.12}$$ < $${37.94}$$	$${+0}$$	$${14.28}$$ < $${14.83}$$
✅	dogstatsd_deb_amd64	$${0}$$	$${29.67}$$ < $${30.53}$$	$${+0}$$	$${7.82}$$ < $${8.75}$$
✅	dogstatsd_deb_arm64	$${0}$$	$${28.25}$$ < $${29.11}$$	$${+0}$$	$${6.78}$$ < $${7.71}$$
✅	dogstatsd_rpm_amd64	$${0}$$	$${29.67}$$ < $${30.53}$$	$${-0}$$	$${7.83}$$ < $${8.76}$$
✅	dogstatsd_suse_amd64	$${0}$$	$${29.67}$$ < $${30.53}$$	$${-0}$$	$${7.83}$$ < $${8.76}$$
✅	iot_agent_deb_amd64	$${+0}$$	$${42.33}$$ < $${54.97}$$	$${+0}$$	$${11.05}$$ < $${14.45}$$
✅	iot_agent_deb_arm64	$${+0}$$	$${40.12}$$ < $${51.9}$$	$${+0}$$	$${9.54}$$ < $${12.63}$$
✅	iot_agent_deb_armhf	$${+0}$$	$${40.04}$$ < $${51.84}$$	$${-0}$$	$${9.64}$$ < $${12.74}$$
✅	iot_agent_rpm_amd64	$${+0}$$	$${42.33}$$ < $${54.97}$$	$${+0}$$	$${11.07}$$ < $${14.47}$$
✅	iot_agent_suse_amd64	$${+0}$$	$${42.33}$$ < $${54.97}$$	$${+0}$$	$${11.07}$$ < $${14.47}$$

[cit-pr-commenter]

Regression Detector

Regression Detector Results

Metrics dashboard
Target profiles
Run ID: 56453846-e536-4ece-a92a-9d58b0f96f9e

Baseline: f3b6296
Comparison: f945d1c
Diff

Optimization Goals: ❌ Regression(s) detected

perf	experiment	goal	Δ mean %	Δ mean % CI	trials	links
❌	otlp_ingest_metrics	memory utilization	+27.53	[+27.36, +27.69]	1	Logs
❌	docker_containers_memory	memory utilization	+9.09	[+8.67, +9.51]	1	Logs
✅	otlp_ingest_logs	memory utilization	-15.59	[-15.70, -15.49]	1	Logs

Experiments ignored for regressions

Regressions in experiments with settings containing erratic: true are ignored.

perf	experiment	goal	Δ mean %	Δ mean % CI	trials	links
✅	docker_containers_cpu	% cpu utilization	-9.34	[-9.99, -8.70]	1	Logs

Fine details of change detection per experiment

perf	experiment	goal	Δ mean %	Δ mean % CI	trials	links
❌	otlp_ingest_metrics	memory utilization	+27.53	[+27.36, +27.69]	1	Logs
❌	docker_containers_memory	memory utilization	+9.09	[+8.67, +9.51]	1	Logs
➖	ddot_metrics_sum_delta	memory utilization	+0.44	[+0.29, +0.59]	1	Logs
➖	uds_dogstatsd_20mb_12k_contexts_20_senders	memory utilization	+0.41	[+0.37, +0.45]	1	Logs
➖	quality_gate_idle_all_features	memory utilization	+0.19	[+0.14, +0.23]	1	Logs bounds checks dashboard
➖	file_to_blackhole_0ms_latency	egress throughput	+0.06	[-0.53, +0.66]	1	Logs
➖	quality_gate_metrics_logs	memory utilization	+0.04	[-0.17, +0.24]	1	Logs bounds checks dashboard
➖	tcp_dd_logs_filter_exclude	ingress throughput	-0.00	[-0.01, +0.01]	1	Logs
➖	file_to_blackhole_500ms_latency	egress throughput	-0.00	[-0.60, +0.59]	1	Logs
➖	file_to_blackhole_100ms_latency	egress throughput	-0.01	[-0.59, +0.57]	1	Logs
➖	file_to_blackhole_1000ms_latency	egress throughput	-0.02	[-0.63, +0.59]	1	Logs
➖	uds_dogstatsd_to_api	ingress throughput	-0.03	[-0.27, +0.22]	1	Logs
➖	ddot_logs	memory utilization	-0.06	[-0.12, -0.00]	1	Logs
➖	ddot_metrics_sum_cumulativetodelta_exporter	memory utilization	-0.14	[-0.34, +0.06]	1	Logs
➖	ddot_metrics_sum_cumulative	memory utilization	-0.15	[-0.26, -0.03]	1	Logs
➖	ddot_metrics	memory utilization	-0.24	[-0.41, -0.07]	1	Logs
➖	quality_gate_logs	% cpu utilization	-0.34	[-3.15, +2.47]	1	Logs bounds checks dashboard
➖	file_tree	memory utilization	-0.37	[-0.41, -0.32]	1	Logs
➖	quality_gate_idle	memory utilization	-0.53	[-0.57, -0.49]	1	Logs bounds checks dashboard
➖	tcp_syslog_to_blackhole	ingress throughput	-0.91	[-0.97, -0.86]	1	Logs
✅	docker_containers_cpu	% cpu utilization	-9.34	[-9.99, -8.70]	1	Logs
✅	otlp_ingest_logs	memory utilization	-15.59	[-15.70, -15.49]	1	Logs

Bounds Checks: ❌ Failed

perf	experiment	bounds_check_name	replicates_passed	links
✅	docker_containers_cpu	simple_check_run	10/10
❌	docker_containers_memory	memory_usage	8/10
✅	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_1000ms_latency	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_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
✅	quality_gate_metrics_logs	cpu_usage	10/10	bounds checks dashboard
✅	quality_gate_metrics_logs	intake_connections	10/10	bounds checks dashboard
✅	quality_gate_metrics_logs	lost_bytes	10/10	bounds checks dashboard
✅	quality_gate_metrics_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_all_features, bounds check memory_usage: 10/10 replicas passed. Gate passed.
• quality_gate_idle_all_features, bounds check intake_connections: 10/10 replicas passed. Gate passed.
• quality_gate_metrics_logs, bounds check lost_bytes: 10/10 replicas passed. Gate passed.
• quality_gate_metrics_logs, bounds check intake_connections: 10/10 replicas passed. Gate passed.
• quality_gate_metrics_logs, bounds check memory_usage: 10/10 replicas passed. Gate passed.
• quality_gate_metrics_logs, bounds check cpu_usage: 10/10 replicas passed. Gate passed.
• quality_gate_idle, bounds check intake_connections: 10/10 replicas passed. Gate passed.
• quality_gate_idle, 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 intake_connections: 10/10 replicas passed. Gate passed.
• quality_gate_logs, bounds check lost_bytes: 10/10 replicas passed. Gate passed.

[estherk15]

Left one non blocking suggestion, approved!

[songy23]

LGTM

[RiantZ]

/merge

[dd-devflow-routing-codex]

View all feedbacks in Devflow UI.

2025-10-27 13:14:02 UTC ℹ️ Start processing command /merge

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2025-10-27 13:14:07 UTC ℹ️ MergeQueue: pull request added to the queue

The expected merge time in main is approximately 37m (p90).

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2025-10-27 13:38:57 UTC ℹ️ MergeQueue: This merge request was merged