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Remove flake designation from darwin-based dogstatsd tests #31890

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merged 1 commit into from
Dec 10, 2024

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ddrthall
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@ddrthall ddrthall commented Dec 9, 2024

What does this PR do?

Now that #30935 has been released for some time with no failures of the previously flaky tests, we can remove the flake designation.

Motivation

Describe how you validated your changes

Possible Drawbacks / Trade-offs

Additional Notes

@ddrthall ddrthall added changelog/no-changelog qa/no-code-change No code change in Agent code requiring validation labels Dec 9, 2024
@ddrthall ddrthall added this to the 7.62.0 milestone Dec 9, 2024
@github-actions github-actions bot added the short review PR is simple enough to be reviewed quickly label Dec 9, 2024
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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=50581196 --os-family=ubuntu

Note: This applies to commit 45b1749

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Regression Detector

Regression Detector Results

Metrics dashboard
Target profiles
Run ID: 4b6aa8e8-7ad6-493b-b072-f3431e2a07d2

Baseline: 495529f
Comparison: 45b1749
Diff

Optimization Goals: ✅ No significant changes detected

Fine details of change detection per experiment

perf experiment goal Δ mean % Δ mean % CI trials links
file_tree memory utilization +0.91 [+0.79, +1.04] 1 Logs
quality_gate_idle_all_features memory utilization +0.62 [+0.50, +0.73] 1 Logs bounds checks dashboard
file_to_blackhole_1000ms_latency egress throughput +0.52 [-0.27, +1.31] 1 Logs
quality_gate_idle memory utilization +0.08 [+0.04, +0.12] 1 Logs bounds checks dashboard
file_to_blackhole_0ms_latency_http1 egress throughput +0.07 [-0.81, +0.94] 1 Logs
file_to_blackhole_300ms_latency egress throughput +0.02 [-0.61, +0.65] 1 Logs
file_to_blackhole_1000ms_latency_linear_load egress throughput +0.01 [-0.46, +0.48] 1 Logs
uds_dogstatsd_to_api ingress throughput -0.00 [-0.10, +0.10] 1 Logs
tcp_dd_logs_filter_exclude ingress throughput -0.00 [-0.01, +0.01] 1 Logs
file_to_blackhole_100ms_latency egress throughput -0.01 [-0.70, +0.69] 1 Logs
file_to_blackhole_0ms_latency_http2 egress throughput -0.03 [-0.89, +0.82] 1 Logs
file_to_blackhole_0ms_latency egress throughput -0.07 [-0.98, +0.84] 1 Logs
uds_dogstatsd_to_api_cpu % cpu utilization -0.10 [-0.84, +0.63] 1 Logs
otel_to_otel_logs ingress throughput -0.17 [-0.86, +0.52] 1 Logs
file_to_blackhole_500ms_latency egress throughput -0.26 [-1.03, +0.51] 1 Logs
tcp_syslog_to_blackhole ingress throughput -0.54 [-0.60, -0.47] 1 Logs
quality_gate_logs % cpu utilization -2.68 [-5.57, +0.21] 1 Logs

Bounds Checks: ❌ Failed

perf experiment bounds_check_name replicates_passed links
file_to_blackhole_0ms_latency lost_bytes 8/10
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_idle_all_features 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

Passed. All Quality Gates 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_idle, bounds check memory_usage: 10/10 replicas passed. Gate passed.
  • quality_gate_idle_all_features, bounds check memory_usage: 10/10 replicas passed. Gate passed.

@ddrthall ddrthall marked this pull request as ready for review December 9, 2024 17:23
@ddrthall ddrthall requested a review from a team as a code owner December 9, 2024 17:23
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/merge

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dd-devflow bot commented Dec 10, 2024

Devflow running: /merge

View all feedbacks in Devflow UI.


2024-12-10 14:45:41 UTC ℹ️ MergeQueue: pull request added to the queue

The median merge time in main is 24m.

@dd-mergequeue dd-mergequeue bot merged commit 6eeac68 into main Dec 10, 2024
250 checks passed
@dd-mergequeue dd-mergequeue bot deleted the ryan.hall/flaky-mac-units branch December 10, 2024 15:09
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