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play snapshot on new policies

Open mftoure opened this issue 1 year ago • 2 comments

What does this PR do?

This PR aims to play the snapshot when new policies are loaded locally or through remote configuration

Motivation

Additional Notes

Possible Drawbacks / Trade-offs

Describe how to test/QA your changes

  • Start the agent
  • Create a new policy locally by adding a new policy file in your policies directory (runtime_security_config.policies.watch_dir needs to be set to true) or push a new remote policy
  • The execution of playSnapshot should appear in system-probe's logs

mftoure avatar Sep 02 '24 15:09 mftoure

Regression Detector

Regression Detector Results

Run ID: 0953b71b-4e33-452a-ad9c-3e5052411b6f Metrics dashboard Target profiles

Baseline: f78e4b2f9772aeadf9fa3197b774dfe6e3d8a345 Comparison: 0aba94c26070cb934a6dab18277b1c207a5c22f1

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

No significant changes in experiment optimization goals

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

There were no significant changes in experiment optimization goals at this confidence level and effect size tolerance.

Fine details of change detection per experiment

perf experiment goal Δ mean % Δ mean % CI trials links
otel_to_otel_logs ingress throughput +0.90 [+0.07, +1.73] 1 Logs
uds_dogstatsd_to_api_cpu % cpu utilization +0.27 [-0.49, +1.03] 1 Logs
basic_py_check % cpu utilization +0.18 [-2.65, +3.00] 1 Logs
idle memory utilization +0.12 [+0.08, +0.17] 1 Logs
file_tree memory utilization +0.11 [-0.00, +0.23] 1 Logs
pycheck_lots_of_tags % cpu utilization +0.04 [-2.68, +2.77] 1 Logs
uds_dogstatsd_to_api ingress throughput +0.00 [-0.00, +0.00] 1 Logs
tcp_dd_logs_filter_exclude ingress throughput -0.00 [-0.01, +0.01] 1 Logs
tcp_syslog_to_blackhole ingress throughput -0.65 [-0.70, -0.60] 1 Logs

Bounds Checks

perf experiment bounds_check_name replicates_passed
idle memory_usage 8/10

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".

pr-commenter[bot] avatar Sep 02 '24 16:09 pr-commenter[bot]

Test changes on VM

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

inv create-vm --pipeline-id=44507331 --os-family=ubuntu

Note: This applies to commit 0aba94c2

pr-commenter[bot] avatar Sep 17 '24 13:09 pr-commenter[bot]

/merge

lebauce avatar Oct 03 '24 09:10 lebauce

:steam_locomotive: MergeQueue: pull request added to the queue

The median merge time in main is 25m.

Use /merge -c to cancel this operation!

dd-devflow[bot] avatar Oct 03 '24 09:10 dd-devflow[bot]