Fall back to multiple agent binaries

[lebauce]

trafficstars

What does this PR do?

Fall back to using multiple binaries

Motivation

We realized we didn’t know enough about how ‘memory’ impacts our users to decide.

Additional Notes

Possible Drawbacks / Trade-offs

Describe how to test/QA your changes

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Regression Detector Results

Run ID: dfdb16a7-2d71-4923-9342-205e84fe1e5d Baseline: 5b367a14c6f2e5c30316e87ba8fe25b7ce07d948 Comparison: 5ec66c58ff93865af30feecba5a852cca0f9abbf

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

Experiments with missing or malformed data

• basic_py_check

Usually, this warning means that there is no usable optimization goal data for that experiment, which could be a result of misconfiguration.

Significant changes in experiment optimization goals

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

perf	experiment	goal	Δ mean %	Δ mean % CI
✅	idle	memory utilization	-9.81	[-9.85, -9.78]
✅	process_agent_real_time_mode	memory utilization	-9.86	[-9.90, -9.83]
✅	process_agent_standard_check	memory utilization	-9.87	[-9.91, -9.83]
✅	process_agent_standard_check_with_stats	memory utilization	-11.38	[-11.42, -11.35]
✅	file_tree	memory utilization	-13.95	[-14.04, -13.86]

Experiments ignored for regressions

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

perf	experiment	goal	Δ mean %	Δ mean % CI
➖	file_to_blackhole	% cpu utilization	-0.89	[-7.43, +5.65]

Fine details of change detection per experiment

perf	experiment	goal	Δ mean %	Δ mean % CI
➖	otel_to_otel_logs	ingress throughput	+1.79	[+1.14, +2.43]
➖	trace_agent_json	ingress throughput	+0.02	[-0.00, +0.04]
➖	trace_agent_msgpack	ingress throughput	+0.02	[+0.01, +0.02]
➖	uds_dogstatsd_to_api	ingress throughput	-0.00	[-0.00, +0.00]
➖	tcp_dd_logs_filter_exclude	ingress throughput	-0.00	[-0.00, +0.00]
➖	tcp_syslog_to_blackhole	ingress throughput	-0.31	[-0.36, -0.25]
➖	uds_dogstatsd_to_api_cpu	% cpu utilization	-0.79	[-2.22, +0.63]
➖	file_to_blackhole	% cpu utilization	-0.89	[-7.43, +5.65]
✅	idle	memory utilization	-9.81	[-9.85, -9.78]
✅	process_agent_real_time_mode	memory utilization	-9.86	[-9.90, -9.83]
✅	process_agent_standard_check	memory utilization	-9.87	[-9.91, -9.83]
✅	process_agent_standard_check_with_stats	memory utilization	-11.38	[-11.42, -11.35]
✅	file_tree	memory utilization	-13.95	[-14.04, -13.86]

Explanation

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".

[bits-bot]

All committers have signed the CLA.

[cit-pr-commenter[bot]]

Go Package Import Differences

Baseline: 5b367a14c6f2e5c30316e87ba8fe25b7ce07d948 Comparison: 5ec66c58ff93865af30feecba5a852cca0f9abbf

binary	os	arch	change
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[lebauce]

/merge

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