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remove unused double flush telemetry #32371

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What does this PR do?

Remove unused NPM ebpf telemetry for double flushes

Motivation

Describe how you validated your changes

Possible Drawbacks / Trade-offs

Additional Notes

@brycekahle brycekahle added changelog/no-changelog team/networks qa/done QA done before merge and regressions are covered by tests labels Dec 18, 2024
@brycekahle brycekahle added this to the 7.62.0 milestone Dec 18, 2024
@brycekahle brycekahle requested a review from a team as a code owner December 18, 2024 22:20
@brycekahle brycekahle requested a review from AmitaiBl December 18, 2024 22:20
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thanks

@github-actions github-actions bot added the medium review PR review might take time label Dec 18, 2024
@brycekahle
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/merge

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dd-devflow bot commented Dec 18, 2024

Devflow running: /merge

View all feedbacks in Devflow UI.


2024-12-18 22:31:04 UTC ℹ️ MergeQueue: waiting for PR to be ready

This merge request is not mergeable yet, because of pending checks/missing approvals. It will be added to the queue as soon as checks pass and/or get approvals.
Note: if you pushed new commits since the last approval, you may need additional approval.
You can remove it from the waiting list with /remove command.


2024-12-19 02:31:07 UTC ⚠️ MergeQueue: This merge request was unqueued

This merge request was unqueued

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[Fast Unit Tests Report]

On pipeline 51509118 (CI Visibility). The following jobs did not run any unit tests:

Jobs:
  • tests_deb-arm64-py3
  • tests_deb-x64-py3
  • tests_flavor_dogstatsd_deb-x64
  • tests_flavor_heroku_deb-x64
  • tests_flavor_iot_deb-x64
  • tests_rpm-arm64-py3
  • tests_rpm-x64-py3
  • tests_windows-x64

If you modified Go files and expected unit tests to run in these jobs, please double check the job logs. If you think tests should have been executed reach out to #agent-devx-help

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Uncompressed package size comparison

Comparison with ancestor 919ff87361c87fa18c5e7498565f26e4fe2271f9

Diff per package
package diff status size ancestor threshold
datadog-agent-aarch64-rpm 0.01MB ⚠️ 943.12MB 943.12MB 140.00MB
datadog-agent-amd64-deb 0.01MB ⚠️ 1187.91MB 1187.91MB 140.00MB
datadog-agent-arm64-deb 0.01MB ⚠️ 933.91MB 933.90MB 140.00MB
datadog-agent-x86_64-rpm 0.01MB ⚠️ 1197.15MB 1197.14MB 140.00MB
datadog-agent-x86_64-suse 0.01MB ⚠️ 1197.15MB 1197.14MB 140.00MB
datadog-dogstatsd-amd64-deb 0.00MB 78.59MB 78.59MB 10.00MB
datadog-dogstatsd-x86_64-rpm 0.00MB 78.67MB 78.67MB 10.00MB
datadog-dogstatsd-x86_64-suse 0.00MB 78.67MB 78.67MB 10.00MB
datadog-dogstatsd-arm64-deb 0.00MB 55.79MB 55.79MB 10.00MB
datadog-heroku-agent-amd64-deb 0.00MB 505.07MB 505.07MB 70.00MB
datadog-iot-agent-amd64-deb 0.00MB 113.31MB 113.31MB 10.00MB
datadog-iot-agent-x86_64-rpm 0.00MB 113.38MB 113.38MB 10.00MB
datadog-iot-agent-x86_64-suse 0.00MB 113.38MB 113.38MB 10.00MB
datadog-iot-agent-arm64-deb 0.00MB 108.78MB 108.78MB 10.00MB
datadog-iot-agent-aarch64-rpm 0.00MB 108.85MB 108.85MB 10.00MB

Decision

⚠️ Warning

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Test changes on VM

Use this command from test-infra-definitions to manually test this PR changes on a VM:

inv aws.create-vm --pipeline-id=51509118 --os-family=ubuntu

Note: This applies to commit c48e12d

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Regression Detector

Regression Detector Results

Metrics dashboard
Target profiles
Run ID: 31e375c4-6868-48d6-96a8-b2fffbf22099

Baseline: 919ff87
Comparison: c48e12d
Diff

❌ Experiments with missing or malformed data

This is a critical error. No usable optimization goal data was produced by the listed experiments. This may be a result of misconfiguration. Ping #single-machine-performance and we can help out.

  • otel_to_otel_logs (Logs)

Optimization Goals: ✅ No significant changes detected

Fine details of change detection per experiment

perf experiment goal Δ mean % Δ mean % CI trials links
tcp_syslog_to_blackhole ingress throughput +1.41 [+1.35, +1.47] 1 Logs
uds_dogstatsd_to_api_cpu % cpu utilization +0.90 [+0.22, +1.57] 1 Logs
quality_gate_logs % cpu utilization +0.40 [-2.78, +3.57] 1 Logs
file_to_blackhole_1000ms_latency egress throughput +0.16 [-0.64, +0.97] 1 Logs
file_to_blackhole_0ms_latency_http2 egress throughput +0.03 [-0.85, +0.92] 1 Logs
file_to_blackhole_0ms_latency_http1 egress throughput +0.02 [-0.86, +0.89] 1 Logs
file_to_blackhole_100ms_latency egress throughput +0.01 [-0.66, +0.68] 1 Logs
uds_dogstatsd_to_api ingress throughput +0.00 [-0.10, +0.11] 1 Logs
tcp_dd_logs_filter_exclude ingress throughput -0.00 [-0.01, +0.01] 1 Logs
file_to_blackhole_0ms_latency egress throughput -0.01 [-0.88, +0.87] 1 Logs
file_to_blackhole_1000ms_latency_linear_load egress throughput -0.02 [-0.48, +0.45] 1 Logs
file_to_blackhole_300ms_latency egress throughput -0.05 [-0.69, +0.59] 1 Logs
file_to_blackhole_500ms_latency egress throughput -0.07 [-0.84, +0.70] 1 Logs
quality_gate_idle_all_features memory utilization -0.09 [-0.17, -0.00] 1 Logs bounds checks dashboard
file_tree memory utilization -0.45 [-0.59, -0.32] 1 Logs
quality_gate_idle memory utilization -0.52 [-0.56, -0.49] 1 Logs bounds checks dashboard

Bounds Checks: ❌ Failed

perf experiment bounds_check_name replicates_passed links
quality_gate_idle_all_features memory_usage 9/10 bounds checks dashboard
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 memory_usage 10/10 bounds checks dashboard
quality_gate_logs lost_bytes 10/10
quality_gate_logs memory_usage 10/10

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

Failed. Some Quality Gates were violated.

  • 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_idle_all_features, bounds check memory_usage: 9/10 replicas passed. Failed 1 which is > 0. Gate FAILED.
  • quality_gate_idle, bounds check memory_usage: 10/10 replicas passed. Gate passed.

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