docs: add 4.0 upgrade section #15343

emmettbutler · 2025-11-19T16:38:39Z

Description

This change adds a section to the upgrade documentation about how to upgrade from 3.0 to 4.0

github-actions · 2025-11-19T16:41:58Z

CODEOWNERS have been resolved as:

docs/upgrading.rst                                                      @DataDog/python-guild

brettlangdon

funny that we only include the env var notes here, but it is consistent with the previous major versions

github-actions · 2025-11-19T17:09:56Z

Bootstrap import analysis

Comparison of import times between this PR and base.

Summary

The average import time from this PR is: 256 ± 5 ms.

The average import time from base is: 265 ± 5 ms.

The import time difference between this PR and base is: -8.7 ± 0.2 ms.

Import time breakdown

The following import paths have shrunk:

ddtrace.auto 7.020 ms (2.74%)

ddtrace.bootstrap.sitecustomize 4.158 ms (1.63%)

ddtrace.bootstrap.preload 4.158 ms (1.63%)

ddtrace.internal.settings.dynamic_instrumentation 0.719 ms (0.28%)

ddtrace.internal.remoteconfig.worker 0.685 ms (0.27%)

ddtrace.internal.remoteconfig.client 0.654 ms (0.26%)

ddtrace 2.862 ms (1.12%)

ddtrace.trace 0.768 ms (0.30%)

ddtrace._logger 0.702 ms (0.27%)

ddtrace.internal.telemetry 0.702 ms (0.27%)

ddtrace.internal.telemetry.writer 0.702 ms (0.27%)

ddtrace.internal.utils.version 0.702 ms (0.27%)

ddtrace.internal._unpatched 0.027 ms (0.01%)

json 0.027 ms (0.01%)

json.decoder 0.027 ms (0.01%)

re 0.027 ms (0.01%)

enum 0.027 ms (0.01%)

types 0.027 ms (0.01%)

mabdinur

Should we call out some of the bigger changes to our api? Like the removal of set_tag_str, Python 3.8 support, and ddtrace.Pin.

Our release notes are a bit long so some of the more significant changes might be hard to detect

pr-commenter · 2025-11-19T18:08:39Z

Performance SLOs

Comparing candidate emmett.butler/upgrade-docs (19f2b8d) with baseline main (33c52d1)

📈 Performance Regressions (1 suite)

📈 telemetryaddmetric - 30/30

✅ 1-count-metric-1-times

Time: ✅ 2.925µs (SLO: <20.000µs 📉 -85.4%) vs baseline: -0.6%

Memory: ✅ 34.583MB (SLO: <35.500MB -2.6%) vs baseline: +4.6%

✅ 1-count-metrics-100-times

Time: ✅ 204.046µs (SLO: <220.000µs -7.3%) vs baseline: +1.8%

Memory: ✅ 34.623MB (SLO: <35.500MB -2.5%) vs baseline: +4.8%

✅ 1-distribution-metric-1-times

Time: ✅ 3.326µs (SLO: <20.000µs 📉 -83.4%) vs baseline: +1.5%

Memory: ✅ 34.662MB (SLO: <35.500MB -2.4%) vs baseline: +4.9%

✅ 1-distribution-metrics-100-times

Time: ✅ 217.142µs (SLO: <230.000µs -5.6%) vs baseline: +1.6%

Memory: ✅ 34.603MB (SLO: <35.500MB -2.5%) vs baseline: +5.0%

✅ 1-gauge-metric-1-times

Time: ✅ 2.593µs (SLO: <20.000µs 📉 -87.0%) vs baseline: 📈 +17.0%

Memory: ✅ 34.603MB (SLO: <35.500MB -2.5%) vs baseline: +5.1%

✅ 1-gauge-metrics-100-times

Time: ✅ 136.525µs (SLO: <150.000µs -9.0%) vs baseline: ~same

Memory: ✅ 34.642MB (SLO: <35.500MB -2.4%) vs baseline: +5.0%

✅ 1-rate-metric-1-times

Time: ✅ 3.309µs (SLO: <20.000µs 📉 -83.5%) vs baseline: +7.2%

Memory: ✅ 34.583MB (SLO: <35.500MB -2.6%) vs baseline: +4.7%

✅ 1-rate-metrics-100-times

Time: ✅ 215.608µs (SLO: <250.000µs 📉 -13.8%) vs baseline: +0.4%

Memory: ✅ 34.623MB (SLO: <35.500MB -2.5%) vs baseline: +4.9%

✅ 100-count-metrics-100-times

Time: ✅ 20.298ms (SLO: <22.000ms -7.7%) vs baseline: -0.5%

Memory: ✅ 34.564MB (SLO: <35.500MB -2.6%) vs baseline: +4.8%

✅ 100-distribution-metrics-100-times

Time: ✅ 2.268ms (SLO: <2.300ms 🟡 -1.4%) vs baseline: -0.6%

Memory: ✅ 34.603MB (SLO: <35.500MB -2.5%) vs baseline: +4.8%

✅ 100-gauge-metrics-100-times

Time: ✅ 1.418ms (SLO: <1.550ms -8.5%) vs baseline: +0.9%

Memory: ✅ 34.544MB (SLO: <35.500MB -2.7%) vs baseline: +4.4%

✅ 100-rate-metrics-100-times

Time: ✅ 2.225ms (SLO: <2.550ms 📉 -12.7%) vs baseline: +0.7%

Memory: ✅ 34.544MB (SLO: <35.500MB -2.7%) vs baseline: +4.6%

✅ flush-1-metric

Time: ✅ 4.480µs (SLO: <20.000µs 📉 -77.6%) vs baseline: +1.0%

Memory: ✅ 34.603MB (SLO: <35.500MB -2.5%) vs baseline: +4.9%

✅ flush-100-metrics

Time: ✅ 173.724µs (SLO: <250.000µs 📉 -30.5%) vs baseline: +0.2%

Memory: ✅ 34.701MB (SLO: <35.500MB -2.2%) vs baseline: +5.3%

✅ flush-1000-metrics

Time: ✅ 2.123ms (SLO: <2.500ms 📉 -15.1%) vs baseline: -0.6%

Memory: ✅ 35.330MB (SLO: <36.500MB -3.2%) vs baseline: +4.6%

🟡 Near SLO Breach (2 suites)

🟡 flasksimple - 18/18

✅ appsec-get

Time: ✅ 4.602ms (SLO: <4.750ms -3.1%) vs baseline: ~same

Memory: ✅ 63.964MB (SLO: <66.500MB -3.8%) vs baseline: +4.7%

✅ appsec-post

Time: ✅ 6.627ms (SLO: <6.750ms 🟡 -1.8%) vs baseline: ~same

Memory: ✅ 64.476MB (SLO: <66.500MB -3.0%) vs baseline: +4.8%

✅ appsec-telemetry

Time: ✅ 4.600ms (SLO: <4.750ms -3.2%) vs baseline: +0.2%

Memory: ✅ 64.005MB (SLO: <66.500MB -3.8%) vs baseline: +4.9%

✅ debugger

Time: ✅ 1.858ms (SLO: <2.000ms -7.1%) vs baseline: +0.2%

Memory: ✅ 47.849MB (SLO: <49.500MB -3.3%) vs baseline: +4.9%

✅ iast-get

Time: ✅ 1.860ms (SLO: <2.000ms -7.0%) vs baseline: +0.1%

Memory: ✅ 44.580MB (SLO: <49.000MB -9.0%) vs baseline: +4.6%

✅ profiler

Time: ✅ 1.925ms (SLO: <2.100ms -8.3%) vs baseline: ~same

Memory: ✅ 48.421MB (SLO: <50.000MB -3.2%) vs baseline: +4.8%

✅ resource-renaming

Time: ✅ 3.379ms (SLO: <3.650ms -7.4%) vs baseline: +0.1%

Memory: ✅ 54.672MB (SLO: <56.000MB -2.4%) vs baseline: +4.7%

✅ tracer

Time: ✅ 3.361ms (SLO: <3.650ms -7.9%) vs baseline: -0.2%

Memory: ✅ 54.730MB (SLO: <56.500MB -3.1%) vs baseline: +5.2%

✅ tracer-native

Time: ✅ 3.367ms (SLO: <3.650ms -7.8%) vs baseline: ~same

Memory: ✅ 54.634MB (SLO: <60.000MB -8.9%) vs baseline: +5.0%

🟡 span - 26/26

✅ add-event

Time: ✅ 17.375ms (SLO: <22.500ms 📉 -22.8%) vs baseline: +1.2%

Memory: ✅ 36.427MB (SLO: <53.000MB 📉 -31.3%) vs baseline: +4.5%

✅ add-metrics

Time: ✅ 87.242ms (SLO: <93.500ms -6.7%) vs baseline: +0.5%

Memory: ✅ 40.838MB (SLO: <53.000MB 📉 -22.9%) vs baseline: +4.7%

✅ add-tags

Time: ✅ 139.266ms (SLO: <155.000ms 📉 -10.2%) vs baseline: -0.1%

Memory: ✅ 40.501MB (SLO: <53.000MB 📉 -23.6%) vs baseline: +4.7%

✅ get-context

Time: ✅ 16.124ms (SLO: <20.500ms 📉 -21.3%) vs baseline: ~same

Memory: ✅ 36.249MB (SLO: <53.000MB 📉 -31.6%) vs baseline: +4.8%

✅ is-recording

Time: ✅ 16.295ms (SLO: <20.500ms 📉 -20.5%) vs baseline: -0.5%

Memory: ✅ 36.341MB (SLO: <53.000MB 📉 -31.4%) vs baseline: +5.2%

✅ record-exception

Time: ✅ 35.475ms (SLO: <40.000ms 📉 -11.3%) vs baseline: +0.2%

Memory: ✅ 36.918MB (SLO: <53.000MB 📉 -30.3%) vs baseline: +5.3%

✅ set-status

Time: ✅ 17.798ms (SLO: <22.000ms 📉 -19.1%) vs baseline: +0.5%

Memory: ✅ 36.305MB (SLO: <53.000MB 📉 -31.5%) vs baseline: +4.7%

✅ start

Time: ✅ 16.095ms (SLO: <20.500ms 📉 -21.5%) vs baseline: +1.1%

Memory: ✅ 36.307MB (SLO: <53.000MB 📉 -31.5%) vs baseline: +5.1%

✅ start-finish

Time: ✅ 51.464ms (SLO: <52.500ms 🟡 -2.0%) vs baseline: +1.0%

Memory: ✅ 34.623MB (SLO: <35.500MB -2.5%) vs baseline: +4.8%

✅ start-finish-telemetry

Time: ✅ 52.425ms (SLO: <54.500ms -3.8%) vs baseline: ~same

Memory: ✅ 34.603MB (SLO: <35.500MB -2.5%) vs baseline: +4.8%

✅ start-finish-traceid128

Time: ✅ 54.053ms (SLO: <57.000ms -5.2%) vs baseline: -0.5%

Memory: ✅ 34.603MB (SLO: <35.500MB -2.5%) vs baseline: +5.0%

✅ start-traceid128

Time: ✅ 16.324ms (SLO: <22.500ms 📉 -27.4%) vs baseline: -0.3%

Memory: ✅ 36.316MB (SLO: <53.000MB 📉 -31.5%) vs baseline: +5.1%

✅ update-name

Time: ✅ 16.399ms (SLO: <22.000ms 📉 -25.5%) vs baseline: ~same

Memory: ✅ 36.450MB (SLO: <53.000MB 📉 -31.2%) vs baseline: +5.0%

⚠️ Unstable Tests (1 suite)

⚠️

coreapiscenario - 10/10 (1 unstable)

⚠️ context_with_data_listeners

Time: ⚠️ 13.297µs (SLO: <20.000µs 📉 -33.5%) vs baseline: +0.6%

Memory: ✅ 34.544MB (SLO: <35.500MB -2.7%) vs baseline: +4.7%

✅ context_with_data_no_listeners

Time: ✅ 3.249µs (SLO: <10.000µs 📉 -67.5%) vs baseline: ~same

Memory: ✅ 34.662MB (SLO: <35.500MB -2.4%) vs baseline: +5.0%

✅ get_item_exists

Time: ✅ 0.578µs (SLO: <10.000µs 📉 -94.2%) vs baseline: -0.9%

Memory: ✅ 34.662MB (SLO: <35.500MB -2.4%) vs baseline: +5.0%

✅ get_item_missing

Time: ✅ 0.631µs (SLO: <10.000µs 📉 -93.7%) vs baseline: -1.6%

Memory: ✅ 34.603MB (SLO: <35.500MB -2.5%) vs baseline: +5.0%

✅ set_item

Time: ✅ 24.034µs (SLO: <30.000µs 📉 -19.9%) vs baseline: -0.6%

Memory: ✅ 34.623MB (SLO: <35.500MB -2.5%) vs baseline: +5.2%

✅ All Tests Passing (18 suites)

✅ djangosimple - 30/30

✅ appsec

Time: ✅ 19.252ms (SLO: <22.300ms 📉 -13.7%) vs baseline: -0.6%

Memory: ✅ 67.940MB (SLO: <70.500MB -3.6%) vs baseline: +4.6%

✅ exception-replay-enabled

Time: ✅ 1.337ms (SLO: <1.450ms -7.8%) vs baseline: -0.7%

Memory: ✅ 66.057MB (SLO: <67.500MB -2.1%) vs baseline: +4.9%

✅ iast

Time: ✅ 19.302ms (SLO: <22.250ms 📉 -13.3%) vs baseline: +0.3%

Memory: ✅ 67.948MB (SLO: <70.000MB -2.9%) vs baseline: +4.6%

✅ profiler

Time: ✅ 15.602ms (SLO: <16.550ms -5.7%) vs baseline: +0.3%

Memory: ✅ 55.936MB (SLO: <57.500MB -2.7%) vs baseline: +4.8%

✅ resource-renaming

Time: ✅ 19.393ms (SLO: <21.750ms 📉 -10.8%) vs baseline: +0.3%

Memory: ✅ 68.066MB (SLO: <70.500MB -3.5%) vs baseline: +4.6%

✅ span-code-origin

Time: ✅ 22.832ms (SLO: <28.200ms 📉 -19.0%) vs baseline: -0.4%

Memory: ✅ 69.193MB (SLO: <71.000MB -2.5%) vs baseline: +4.7%

✅ tracer

Time: ✅ 19.250ms (SLO: <21.750ms 📉 -11.5%) vs baseline: -0.2%

Memory: ✅ 67.889MB (SLO: <70.000MB -3.0%) vs baseline: +4.4%

✅ tracer-and-profiler

Time: ✅ 21.579ms (SLO: <23.500ms -8.2%) vs baseline: +0.8%

Memory: ✅ 68.970MB (SLO: <71.000MB -2.9%) vs baseline: +4.9%

✅ tracer-dont-create-db-spans

Time: ✅ 19.309ms (SLO: <21.500ms 📉 -10.2%) vs baseline: ~same

Memory: ✅ 67.987MB (SLO: <70.000MB -2.9%) vs baseline: +4.6%

✅ tracer-minimal

Time: ✅ 16.665ms (SLO: <17.500ms -4.8%) vs baseline: +0.2%

Memory: ✅ 67.771MB (SLO: <70.000MB -3.2%) vs baseline: +4.8%

✅ tracer-native

Time: ✅ 19.267ms (SLO: <21.750ms 📉 -11.4%) vs baseline: -0.2%

Memory: ✅ 67.987MB (SLO: <72.500MB -6.2%) vs baseline: +4.5%

✅ tracer-no-caches

Time: ✅ 17.325ms (SLO: <19.650ms 📉 -11.8%) vs baseline: -0.1%

Memory: ✅ 67.712MB (SLO: <70.000MB -3.3%) vs baseline: +4.7%

✅ tracer-no-databases

Time: ✅ 18.760ms (SLO: <20.100ms -6.7%) vs baseline: ~same

Memory: ✅ 67.810MB (SLO: <70.000MB -3.1%) vs baseline: +5.0%

✅ tracer-no-middleware

Time: ✅ 18.996ms (SLO: <21.500ms 📉 -11.6%) vs baseline: +0.1%

Memory: ✅ 67.731MB (SLO: <70.000MB -3.2%) vs baseline: +4.7%

✅ tracer-no-templates

Time: ✅ 19.126ms (SLO: <22.000ms 📉 -13.1%) vs baseline: ~same

Memory: ✅ 67.771MB (SLO: <70.500MB -3.9%) vs baseline: +4.6%

✅ errortrackingdjangosimple - 6/6

✅ errortracking-enabled-all

Time: ✅ 16.255ms (SLO: <19.850ms 📉 -18.1%) vs baseline: ~same

Memory: ✅ 67.624MB (SLO: <70.000MB -3.4%) vs baseline: +4.8%

✅ errortracking-enabled-user

Time: ✅ 16.217ms (SLO: <19.400ms 📉 -16.4%) vs baseline: -0.5%

Memory: ✅ 67.674MB (SLO: <70.000MB -3.3%) vs baseline: +4.8%

✅ tracer-enabled

Time: ✅ 16.463ms (SLO: <19.450ms 📉 -15.4%) vs baseline: +1.0%

Memory: ✅ 67.624MB (SLO: <70.000MB -3.4%) vs baseline: +4.8%

✅ errortrackingflasksqli - 6/6

✅ errortracking-enabled-all

Time: ✅ 2.081ms (SLO: <2.300ms -9.5%) vs baseline: +0.5%

Memory: ✅ 54.578MB (SLO: <56.500MB -3.4%) vs baseline: +4.7%

✅ errortracking-enabled-user

Time: ✅ 2.087ms (SLO: <2.250ms -7.2%) vs baseline: +1.2%

Memory: ✅ 54.578MB (SLO: <56.500MB -3.4%) vs baseline: +4.9%

✅ tracer-enabled

Time: ✅ 2.076ms (SLO: <2.300ms -9.7%) vs baseline: ~same

Memory: ✅ 54.637MB (SLO: <56.500MB -3.3%) vs baseline: +5.0%

✅ flasksqli - 6/6

✅ appsec-enabled

Time: ✅ 3.966ms (SLO: <4.200ms -5.6%) vs baseline: +0.5%

Memory: ✅ 64.330MB (SLO: <66.000MB -2.5%) vs baseline: +4.7%

✅ iast-enabled

Time: ✅ 2.441ms (SLO: <2.800ms 📉 -12.8%) vs baseline: -0.4%

Memory: ✅ 60.457MB (SLO: <62.500MB -3.3%) vs baseline: +4.8%

✅ tracer-enabled

Time: ✅ 2.061ms (SLO: <2.250ms -8.4%) vs baseline: +0.3%

Memory: ✅ 54.696MB (SLO: <56.500MB -3.2%) vs baseline: +4.9%

✅ httppropagationextract - 60/60

✅ all_styles_all_headers

Time: ✅ 81.873µs (SLO: <100.000µs 📉 -18.1%) vs baseline: +1.5%

Memory: ✅ 34.544MB (SLO: <35.500MB -2.7%) vs baseline: +4.6%

✅ b3_headers

Time: ✅ 14.144µs (SLO: <20.000µs 📉 -29.3%) vs baseline: -0.9%

Memory: ✅ 34.642MB (SLO: <35.500MB -2.4%) vs baseline: +4.9%

✅ b3_single_headers

Time: ✅ 13.379µs (SLO: <20.000µs 📉 -33.1%) vs baseline: +1.1%

Memory: ✅ 34.642MB (SLO: <35.500MB -2.4%) vs baseline: +4.9%

✅ datadog_tracecontext_tracestate_not_propagated_on_trace_id_no_match

Time: ✅ 64.018µs (SLO: <80.000µs 📉 -20.0%) vs baseline: +0.6%

Memory: ✅ 34.603MB (SLO: <35.500MB -2.5%) vs baseline: +5.0%

✅ datadog_tracecontext_tracestate_propagated_on_trace_id_match

Time: ✅ 65.977µs (SLO: <80.000µs 📉 -17.5%) vs baseline: +0.2%

Memory: ✅ 34.603MB (SLO: <35.500MB -2.5%) vs baseline: +5.0%

✅ empty_headers

Time: ✅ 1.605µs (SLO: <10.000µs 📉 -83.9%) vs baseline: -0.5%

Memory: ✅ 34.721MB (SLO: <35.500MB -2.2%) vs baseline: +5.1%

✅ full_t_id_datadog_headers

Time: ✅ 22.808µs (SLO: <30.000µs 📉 -24.0%) vs baseline: +1.5%

Memory: ✅ 34.642MB (SLO: <35.500MB -2.4%) vs baseline: +4.9%

✅ invalid_priority_header

Time: ✅ 6.566µs (SLO: <10.000µs 📉 -34.3%) vs baseline: +0.5%

Memory: ✅ 34.544MB (SLO: <35.500MB -2.7%) vs baseline: +4.7%

✅ invalid_span_id_header

Time: ✅ 6.554µs (SLO: <10.000µs 📉 -34.5%) vs baseline: +0.6%

Memory: ✅ 34.642MB (SLO: <35.500MB -2.4%) vs baseline: +4.9%

✅ invalid_tags_header

Time: ✅ 6.537µs (SLO: <10.000µs 📉 -34.6%) vs baseline: +0.4%

Memory: ✅ 34.623MB (SLO: <35.500MB -2.5%) vs baseline: +5.0%

✅ invalid_trace_id_header

Time: ✅ 6.523µs (SLO: <10.000µs 📉 -34.8%) vs baseline: ~same

Memory: ✅ 34.642MB (SLO: <35.500MB -2.4%) vs baseline: +4.7%

✅ large_header_no_matches

Time: ✅ 27.722µs (SLO: <30.000µs -7.6%) vs baseline: +0.7%

Memory: ✅ 34.583MB (SLO: <35.500MB -2.6%) vs baseline: +4.9%

✅ large_valid_headers_all

Time: ✅ 28.623µs (SLO: <40.000µs 📉 -28.4%) vs baseline: -0.1%

Memory: ✅ 34.623MB (SLO: <35.500MB -2.5%) vs baseline: +4.9%

✅ medium_header_no_matches

Time: ✅ 9.859µs (SLO: <20.000µs 📉 -50.7%) vs baseline: -0.6%

Memory: ✅ 34.642MB (SLO: <35.500MB -2.4%) vs baseline: +4.7%

✅ medium_valid_headers_all

Time: ✅ 11.354µs (SLO: <20.000µs 📉 -43.2%) vs baseline: +0.3%

Memory: ✅ 34.623MB (SLO: <35.500MB -2.5%) vs baseline: +4.9%

✅ none_propagation_style

Time: ✅ 1.722µs (SLO: <10.000µs 📉 -82.8%) vs baseline: ~same

Memory: ✅ 34.623MB (SLO: <35.500MB -2.5%) vs baseline: +4.7%

✅ tracecontext_headers

Time: ✅ 35.276µs (SLO: <40.000µs 📉 -11.8%) vs baseline: +0.7%

Memory: ✅ 34.583MB (SLO: <35.500MB -2.6%) vs baseline: +4.7%

✅ valid_headers_all

Time: ✅ 6.553µs (SLO: <10.000µs 📉 -34.5%) vs baseline: +0.4%

Memory: ✅ 34.642MB (SLO: <35.500MB -2.4%) vs baseline: +4.9%

✅ valid_headers_basic

Time: ✅ 6.088µs (SLO: <10.000µs 📉 -39.1%) vs baseline: -0.7%

Memory: ✅ 34.603MB (SLO: <35.500MB -2.5%) vs baseline: +4.9%

✅ wsgi_empty_headers

Time: ✅ 1.600µs (SLO: <10.000µs 📉 -84.0%) vs baseline: -0.5%

Memory: ✅ 34.662MB (SLO: <35.500MB -2.4%) vs baseline: +5.1%

✅ wsgi_invalid_priority_header

Time: ✅ 6.563µs (SLO: <10.000µs 📉 -34.4%) vs baseline: -0.8%

Memory: ✅ 34.583MB (SLO: <35.500MB -2.6%) vs baseline: +5.0%

✅ wsgi_invalid_span_id_header

Time: ✅ 1.603µs (SLO: <10.000µs 📉 -84.0%) vs baseline: -1.2%

Memory: ✅ 34.603MB (SLO: <35.500MB -2.5%) vs baseline: +4.6%

✅ wsgi_invalid_tags_header

Time: ✅ 6.586µs (SLO: <10.000µs 📉 -34.1%) vs baseline: -0.4%

Memory: ✅ 34.603MB (SLO: <35.500MB -2.5%) vs baseline: +4.9%

✅ wsgi_invalid_trace_id_header

Time: ✅ 6.561µs (SLO: <10.000µs 📉 -34.4%) vs baseline: ~same

Memory: ✅ 34.701MB (SLO: <35.500MB -2.2%) vs baseline: +5.2%

✅ wsgi_large_header_no_matches

Time: ✅ 28.713µs (SLO: <40.000µs 📉 -28.2%) vs baseline: ~same

Memory: ✅ 34.623MB (SLO: <35.500MB -2.5%) vs baseline: +4.9%

✅ wsgi_large_valid_headers_all

Time: ✅ 29.917µs (SLO: <40.000µs 📉 -25.2%) vs baseline: +0.1%

Memory: ✅ 34.662MB (SLO: <35.500MB -2.4%) vs baseline: +5.0%

✅ wsgi_medium_header_no_matches

Time: ✅ 10.326µs (SLO: <20.000µs 📉 -48.4%) vs baseline: +0.2%

Memory: ✅ 34.642MB (SLO: <35.500MB -2.4%) vs baseline: +5.0%

✅ wsgi_medium_valid_headers_all

Time: ✅ 11.720µs (SLO: <20.000µs 📉 -41.4%) vs baseline: +0.2%

Memory: ✅ 34.623MB (SLO: <35.500MB -2.5%) vs baseline: +4.6%

✅ wsgi_valid_headers_all

Time: ✅ 6.584µs (SLO: <10.000µs 📉 -34.2%) vs baseline: ~same

Memory: ✅ 34.623MB (SLO: <35.500MB -2.5%) vs baseline: +4.9%

✅ wsgi_valid_headers_basic

Time: ✅ 6.113µs (SLO: <10.000µs 📉 -38.9%) vs baseline: +0.2%

Memory: ✅ 34.603MB (SLO: <35.500MB -2.5%) vs baseline: +4.6%

✅ httppropagationinject - 16/16

✅ ids_only

Time: ✅ 20.821µs (SLO: <30.000µs 📉 -30.6%) vs baseline: ~same

Memory: ✅ 34.603MB (SLO: <35.500MB -2.5%) vs baseline: +4.9%

✅ with_all

Time: ✅ 27.888µs (SLO: <40.000µs 📉 -30.3%) vs baseline: +0.5%

Memory: ✅ 34.603MB (SLO: <35.500MB -2.5%) vs baseline: +4.9%

✅ with_dd_origin

Time: ✅ 24.647µs (SLO: <30.000µs 📉 -17.8%) vs baseline: +0.1%

Memory: ✅ 34.642MB (SLO: <35.500MB -2.4%) vs baseline: +4.9%

✅ with_priority_and_origin

Time: ✅ 24.076µs (SLO: <40.000µs 📉 -39.8%) vs baseline: +0.3%

Memory: ✅ 34.603MB (SLO: <35.500MB -2.5%) vs baseline: +5.0%

✅ with_sampling_priority

Time: ✅ 20.908µs (SLO: <30.000µs 📉 -30.3%) vs baseline: ~same

Memory: ✅ 34.564MB (SLO: <35.500MB -2.6%) vs baseline: +4.7%

✅ with_tags

Time: ✅ 26.533µs (SLO: <40.000µs 📉 -33.7%) vs baseline: +2.5%

Memory: ✅ 34.623MB (SLO: <35.500MB -2.5%) vs baseline: +4.7%

✅ with_tags_invalid

Time: ✅ 27.630µs (SLO: <40.000µs 📉 -30.9%) vs baseline: +1.4%

Memory: ✅ 34.682MB (SLO: <35.500MB -2.3%) vs baseline: +5.1%

✅ with_tags_max_size

Time: ✅ 26.462µs (SLO: <40.000µs 📉 -33.8%) vs baseline: +0.8%

Memory: ✅ 34.701MB (SLO: <35.500MB -2.2%) vs baseline: +5.1%

✅ iast_aspects - 40/40

✅ re_expand_aspect

Time: ✅ 31.965µs (SLO: <40.000µs 📉 -20.1%) vs baseline: -0.4%

Memory: ✅ 39.872MB (SLO: <41.000MB -2.8%) vs baseline: +5.0%

✅ re_expand_noaspect

Time: ✅ 28.815µs (SLO: <40.000µs 📉 -28.0%) vs baseline: ~same

Memory: ✅ 39.852MB (SLO: <41.000MB -2.8%) vs baseline: +4.8%

✅ re_findall_aspect

Time: ✅ 2.912µs (SLO: <10.000µs 📉 -70.9%) vs baseline: +0.7%

Memory: ✅ 39.931MB (SLO: <41.000MB -2.6%) vs baseline: +5.0%

✅ re_findall_noaspect

Time: ✅ 1.408µs (SLO: <10.000µs 📉 -85.9%) vs baseline: -0.3%

Memory: ✅ 39.931MB (SLO: <41.000MB -2.6%) vs baseline: +5.0%

✅ re_finditer_aspect

Time: ✅ 4.415µs (SLO: <10.000µs 📉 -55.8%) vs baseline: +0.3%

Memory: ✅ 39.833MB (SLO: <41.000MB -2.8%) vs baseline: +4.8%

✅ re_finditer_noaspect

Time: ✅ 1.401µs (SLO: <10.000µs 📉 -86.0%) vs baseline: -0.6%

Memory: ✅ 39.833MB (SLO: <41.000MB -2.8%) vs baseline: +4.8%

✅ re_fullmatch_aspect

Time: ✅ 2.663µs (SLO: <10.000µs 📉 -73.4%) vs baseline: +0.6%

Memory: ✅ 39.892MB (SLO: <41.000MB -2.7%) vs baseline: +4.9%

✅ re_fullmatch_noaspect

Time: ✅ 1.327µs (SLO: <10.000µs 📉 -86.7%) vs baseline: +0.8%

Memory: ✅ 39.892MB (SLO: <41.000MB -2.7%) vs baseline: +5.0%

✅ re_group_aspect

Time: ✅ 2.906µs (SLO: <10.000µs 📉 -70.9%) vs baseline: -0.8%

Memory: ✅ 39.911MB (SLO: <41.000MB -2.7%) vs baseline: +5.3%

✅ re_group_noaspect

Time: ✅ 1.621µs (SLO: <10.000µs 📉 -83.8%) vs baseline: -1.0%

Memory: ✅ 39.892MB (SLO: <41.000MB -2.7%) vs baseline: +4.8%

✅ re_groups_aspect

Time: ✅ 3.044µs (SLO: <10.000µs 📉 -69.6%) vs baseline: -0.6%

Memory: ✅ 39.931MB (SLO: <41.000MB -2.6%) vs baseline: +5.2%

✅ re_groups_noaspect

Time: ✅ 1.747µs (SLO: <10.000µs 📉 -82.5%) vs baseline: +0.9%

Memory: ✅ 39.774MB (SLO: <41.000MB -3.0%) vs baseline: +4.3%

✅ re_match_aspect

Time: ✅ 2.731µs (SLO: <10.000µs 📉 -72.7%) vs baseline: +1.3%

Memory: ✅ 39.970MB (SLO: <41.000MB -2.5%) vs baseline: +5.4%

✅ re_match_noaspect

Time: ✅ 1.319µs (SLO: <10.000µs 📉 -86.8%) vs baseline: -2.1%

Memory: ✅ 39.833MB (SLO: <41.000MB -2.8%) vs baseline: +4.7%

✅ re_search_aspect

Time: ✅ 2.538µs (SLO: <10.000µs 📉 -74.6%) vs baseline: -0.2%

Memory: ✅ 39.872MB (SLO: <41.000MB -2.8%) vs baseline: +4.9%

✅ re_search_noaspect

Time: ✅ 1.199µs (SLO: <10.000µs 📉 -88.0%) vs baseline: ~same

Memory: ✅ 39.872MB (SLO: <41.000MB -2.8%) vs baseline: +4.9%

✅ re_sub_aspect

Time: ✅ 3.345µs (SLO: <10.000µs 📉 -66.6%) vs baseline: -0.6%

Memory: ✅ 39.793MB (SLO: <41.000MB -2.9%) vs baseline: +4.8%

✅ re_sub_noaspect

Time: ✅ 1.550µs (SLO: <10.000µs 📉 -84.5%) vs baseline: +1.5%

Memory: ✅ 39.892MB (SLO: <41.000MB -2.7%) vs baseline: +5.1%

✅ re_subn_aspect

Time: ✅ 3.579µs (SLO: <10.000µs 📉 -64.2%) vs baseline: -0.2%

Memory: ✅ 39.833MB (SLO: <41.000MB -2.8%) vs baseline: +4.7%

✅ re_subn_noaspect

Time: ✅ 1.606µs (SLO: <10.000µs 📉 -83.9%) vs baseline: +0.7%

Memory: ✅ 39.931MB (SLO: <41.000MB -2.6%) vs baseline: +5.3%

✅ iastaspects - 118/118

✅ add_aspect

Time: ✅ 0.407µs (SLO: <10.000µs 📉 -95.9%) vs baseline: +0.8%

Memory: ✅ 39.558MB (SLO: <41.500MB -4.7%) vs baseline: +5.1%

✅ add_inplace_aspect

Time: ✅ 0.410µs (SLO: <10.000µs 📉 -95.9%) vs baseline: +0.6%

Memory: ✅ 39.892MB (SLO: <41.500MB -3.9%) vs baseline: +6.0%

✅ add_inplace_noaspect

Time: ✅ 0.318µs (SLO: <10.000µs 📉 -96.8%) vs baseline: -1.1%

Memory: ✅ 39.617MB (SLO: <41.500MB -4.5%) vs baseline: +5.1%

✅ add_noaspect

Time: ✅ 0.278µs (SLO: <10.000µs 📉 -97.2%) vs baseline: +0.5%

Memory: ✅ 39.872MB (SLO: <41.500MB -3.9%) vs baseline: +5.7%

✅ bytearray_aspect

Time: ✅ 1.319µs (SLO: <10.000µs 📉 -86.8%) vs baseline: -0.4%

Memory: ✅ 39.479MB (SLO: <41.500MB -4.9%) vs baseline: +4.6%

✅ bytearray_extend_aspect

Time: ✅ 1.555µs (SLO: <10.000µs 📉 -84.5%) vs baseline: +1.2%

Memory: ✅ 39.793MB (SLO: <41.500MB -4.1%) vs baseline: +5.8%

✅ bytearray_extend_noaspect

Time: ✅ 0.606µs (SLO: <10.000µs 📉 -93.9%) vs baseline: -1.2%

Memory: ✅ 39.499MB (SLO: <41.500MB -4.8%) vs baseline: +4.7%

✅ bytearray_noaspect

Time: ✅ 0.482µs (SLO: <10.000µs 📉 -95.2%) vs baseline: +0.9%

Memory: ✅ 39.695MB (SLO: <41.500MB -4.3%) vs baseline: +5.4%

✅ bytes_aspect

Time: ✅ 1.281µs (SLO: <10.000µs 📉 -87.2%) vs baseline: -0.5%

Memory: ✅ 39.558MB (SLO: <41.500MB -4.7%) vs baseline: +5.1%

✅ bytes_noaspect

Time: ✅ 0.495µs (SLO: <10.000µs 📉 -95.0%) vs baseline: +1.3%

Memory: ✅ 39.597MB (SLO: <41.500MB -4.6%) vs baseline: +4.3%

✅ bytesio_aspect

Time: ✅ 1.303µs (SLO: <10.000µs 📉 -87.0%) vs baseline: +0.8%

Memory: ✅ 39.440MB (SLO: <41.500MB -5.0%) vs baseline: +4.8%

✅ bytesio_noaspect

Time: ✅ 0.497µs (SLO: <10.000µs 📉 -95.0%) vs baseline: -0.9%

Memory: ✅ 39.715MB (SLO: <41.500MB -4.3%) vs baseline: +4.7%

✅ capitalize_aspect

Time: ✅ 0.734µs (SLO: <10.000µs 📉 -92.7%) vs baseline: -1.1%

Memory: ✅ 39.538MB (SLO: <41.500MB -4.7%) vs baseline: +4.9%

✅ capitalize_noaspect

Time: ✅ 0.436µs (SLO: <10.000µs 📉 -95.6%) vs baseline: ~same

Memory: ✅ 39.597MB (SLO: <41.500MB -4.6%) vs baseline: +5.0%

✅ casefold_aspect

Time: ✅ 0.735µs (SLO: <10.000µs 📉 -92.6%) vs baseline: -0.4%

Memory: ✅ 39.459MB (SLO: <41.500MB -4.9%) vs baseline: +4.9%

✅ casefold_noaspect

Time: ✅ 0.367µs (SLO: <10.000µs 📉 -96.3%) vs baseline: +0.6%

Memory: ✅ 39.636MB (SLO: <41.500MB -4.5%) vs baseline: +4.6%

✅ decode_aspect

Time: ✅ 0.726µs (SLO: <10.000µs 📉 -92.7%) vs baseline: +0.6%

Memory: ✅ 39.852MB (SLO: <41.500MB -4.0%) vs baseline: +5.6%

✅ decode_noaspect

Time: ✅ 0.419µs (SLO: <10.000µs 📉 -95.8%) vs baseline: +0.1%

Memory: ✅ 39.558MB (SLO: <41.500MB -4.7%) vs baseline: +4.3%

✅ encode_aspect

Time: ✅ 0.703µs (SLO: <10.000µs 📉 -93.0%) vs baseline: -0.7%

Memory: ✅ 39.774MB (SLO: <41.500MB -4.2%) vs baseline: +5.8%

✅ encode_noaspect

Time: ✅ 0.405µs (SLO: <10.000µs 📉 -95.9%) vs baseline: +1.2%

Memory: ✅ 39.675MB (SLO: <41.500MB -4.4%) vs baseline: +4.7%

✅ format_aspect

Time: ✅ 3.341µs (SLO: <10.000µs 📉 -66.6%) vs baseline: -0.3%

Memory: ✅ 39.400MB (SLO: <41.500MB -5.1%) vs baseline: +4.2%

✅ format_map_aspect

Time: ✅ 3.510µs (SLO: <10.000µs 📉 -64.9%) vs baseline: +0.4%

Memory: ✅ 39.538MB (SLO: <41.500MB -4.7%) vs baseline: +4.7%

✅ format_map_noaspect

Time: ✅ 0.770µs (SLO: <10.000µs 📉 -92.3%) vs baseline: -0.6%

Memory: ✅ 39.558MB (SLO: <41.500MB -4.7%) vs baseline: +5.1%

✅ format_noaspect

Time: ✅ 0.598µs (SLO: <10.000µs 📉 -94.0%) vs baseline: +0.9%

Memory: ✅ 39.597MB (SLO: <41.500MB -4.6%) vs baseline: +4.3%

✅ index_aspect

Time: ✅ 0.358µs (SLO: <10.000µs 📉 -96.4%) vs baseline: -1.2%

Memory: ✅ 39.479MB (SLO: <41.500MB -4.9%) vs baseline: +4.9%

✅ index_noaspect

Time: ✅ 0.272µs (SLO: <10.000µs 📉 -97.3%) vs baseline: -2.6%

Memory: ✅ 39.695MB (SLO: <41.500MB -4.3%) vs baseline: +4.4%

✅ join_aspect

Time: ✅ 1.384µs (SLO: <10.000µs 📉 -86.2%) vs baseline: ~same

Memory: ✅ 39.656MB (SLO: <41.500MB -4.4%) vs baseline: +5.4%

✅ join_noaspect

Time: ✅ 0.492µs (SLO: <10.000µs 📉 -95.1%) vs baseline: -0.1%

Memory: ✅ 39.931MB (SLO: <41.500MB -3.8%) vs baseline: +6.2%

✅ ljust_aspect

Time: ✅ 2.527µs (SLO: <20.000µs 📉 -87.4%) vs baseline: -0.6%

Memory: ✅ 39.341MB (SLO: <41.500MB -5.2%) vs baseline: +4.4%

✅ ljust_noaspect

Time: ✅ 0.408µs (SLO: <10.000µs 📉 -95.9%) vs baseline: +0.8%

Memory: ✅ 39.577MB (SLO: <41.500MB -4.6%) vs baseline: +4.4%

✅ lower_aspect

Time: ✅ 2.196µs (SLO: <10.000µs 📉 -78.0%) vs baseline: +0.3%

Memory: ✅ 39.538MB (SLO: <41.500MB -4.7%) vs baseline: +5.1%

✅ lower_noaspect

Time: ✅ 0.366µs (SLO: <10.000µs 📉 -96.3%) vs baseline: -0.5%

Memory: ✅ 39.734MB (SLO: <41.500MB -4.3%) vs baseline: +4.9%

✅ lstrip_aspect

Time: ✅ 2.221µs (SLO: <20.000µs 📉 -88.9%) vs baseline: +0.3%

Memory: ✅ 39.597MB (SLO: <41.500MB -4.6%) vs baseline: +4.4%

✅ lstrip_noaspect

Time: ✅ 0.380µs (SLO: <10.000µs 📉 -96.2%) vs baseline: -3.1%

Memory: ✅ 39.695MB (SLO: <41.500MB -4.3%) vs baseline: +4.3%

✅ modulo_aspect

Time: ✅ 1.042µs (SLO: <10.000µs 📉 -89.6%) vs baseline: -0.8%

Memory: ✅ 39.833MB (SLO: <41.500MB -4.0%) vs baseline: +6.1%

✅ modulo_aspect_for_bytearray_bytearray

Time: ✅ 1.550µs (SLO: <10.000µs 📉 -84.5%) vs baseline: -0.2%

Memory: ✅ 39.558MB (SLO: <41.500MB -4.7%) vs baseline: +5.1%

✅ modulo_aspect_for_bytes

Time: ✅ 0.975µs (SLO: <10.000µs 📉 -90.2%) vs baseline: -1.6%

Memory: ✅ 39.774MB (SLO: <41.500MB -4.2%) vs baseline: +4.9%

✅ modulo_aspect_for_bytes_bytearray

Time: ✅ 1.261µs (SLO: <10.000µs 📉 -87.4%) vs baseline: +1.3%

Memory: ✅ 39.636MB (SLO: <41.500MB -4.5%) vs baseline: +5.3%

✅ modulo_noaspect

Time: ✅ 0.628µs (SLO: <10.000µs 📉 -93.7%) vs baseline: +0.8%

Memory: ✅ 39.656MB (SLO: <41.500MB -4.4%) vs baseline: +4.4%

✅ replace_aspect

Time: ✅ 4.897µs (SLO: <10.000µs 📉 -51.0%) vs baseline: +0.5%

Memory: ✅ 39.872MB (SLO: <41.500MB -3.9%) vs baseline: +5.9%

✅ replace_noaspect

Time: ✅ 0.461µs (SLO: <10.000µs 📉 -95.4%) vs baseline: +0.5%

Memory: ✅ 39.675MB (SLO: <41.500MB -4.4%) vs baseline: +4.6%

✅ repr_aspect

Time: ✅ 0.913µs (SLO: <10.000µs 📉 -90.9%) vs baseline: +1.1%

Memory: ✅ 39.459MB (SLO: <41.500MB -4.9%) vs baseline: +4.9%

✅ repr_noaspect

Time: ✅ 0.416µs (SLO: <10.000µs 📉 -95.8%) vs baseline: +0.4%

Memory: ✅ 39.793MB (SLO: <41.500MB -4.1%) vs baseline: +5.9%

✅ rstrip_aspect

Time: ✅ 1.901µs (SLO: <20.000µs 📉 -90.5%) vs baseline: +1.6%

Memory: ✅ 39.459MB (SLO: <41.500MB -4.9%) vs baseline: +4.0%

✅ rstrip_noaspect

Time: ✅ 0.381µs (SLO: <10.000µs 📉 -96.2%) vs baseline: -1.0%

Memory: ✅ 39.695MB (SLO: <41.500MB -4.3%) vs baseline: +4.9%

✅ slice_aspect

Time: ✅ 0.493µs (SLO: <10.000µs 📉 -95.1%) vs baseline: -0.3%

Memory: ✅ 39.577MB (SLO: <41.500MB -4.6%) vs baseline: +5.0%

✅ slice_noaspect

Time: ✅ 0.448µs (SLO: <10.000µs 📉 -95.5%) vs baseline: +0.1%

Memory: ✅ 39.715MB (SLO: <41.500MB -4.3%) vs baseline: +4.7%

✅ stringio_aspect

Time: ✅ 1.550µs (SLO: <10.000µs 📉 -84.5%) vs baseline: +0.7%

Memory: ✅ 39.479MB (SLO: <41.500MB -4.9%) vs baseline: +5.0%

✅ stringio_noaspect

Time: ✅ 0.711µs (SLO: <10.000µs 📉 -92.9%) vs baseline: -1.1%

Memory: ✅ 39.754MB (SLO: <41.500MB -4.2%) vs baseline: +4.8%

✅ strip_aspect

Time: ✅ 2.219µs (SLO: <20.000µs 📉 -88.9%) vs baseline: +0.9%

Memory: ✅ 39.302MB (SLO: <41.500MB -5.3%) vs baseline: +4.4%

✅ strip_noaspect

Time: ✅ 0.387µs (SLO: <10.000µs 📉 -96.1%) vs baseline: +0.9%

Memory: ✅ 39.617MB (SLO: <41.500MB -4.5%) vs baseline: +4.4%

✅ swapcase_aspect

Time: ✅ 2.387µs (SLO: <10.000µs 📉 -76.1%) vs baseline: -0.4%

Memory: ✅ 39.852MB (SLO: <41.500MB -4.0%) vs baseline: +5.6%

✅ swapcase_noaspect

Time: ✅ 0.531µs (SLO: <10.000µs 📉 -94.7%) vs baseline: -2.9%

Memory: ✅ 39.656MB (SLO: <41.500MB -4.4%) vs baseline: +4.7%

✅ title_aspect

Time: ✅ 2.314µs (SLO: <10.000µs 📉 -76.9%) vs baseline: -0.5%

Memory: ✅ 39.400MB (SLO: <41.500MB -5.1%) vs baseline: +4.6%

✅ title_noaspect

Time: ✅ 0.502µs (SLO: <10.000µs 📉 -95.0%) vs baseline: -0.8%

Memory: ✅ 39.715MB (SLO: <41.500MB -4.3%) vs baseline: +4.7%

✅ translate_aspect

Time: ✅ 3.232µs (SLO: <10.000µs 📉 -67.7%) vs baseline: +0.1%

Memory: ✅ 39.734MB (SLO: <41.500MB -4.3%) vs baseline: +5.6%

✅ translate_noaspect

Time: ✅ 1.043µs (SLO: <10.000µs 📉 -89.6%) vs baseline: +0.4%

Memory: ✅ 39.617MB (SLO: <41.500MB -4.5%) vs baseline: +5.0%

✅ upper_aspect

Time: ✅ 2.206µs (SLO: <10.000µs 📉 -77.9%) vs baseline: +0.2%

Memory: ✅ 39.400MB (SLO: <41.500MB -5.1%) vs baseline: +4.5%

✅ upper_noaspect

Time: ✅ 0.364µs (SLO: <10.000µs 📉 -96.4%) vs baseline: -1.3%

Memory: ✅ 39.636MB (SLO: <41.500MB -4.5%) vs baseline: +4.3%

✅ iastaspectsospath - 24/24

✅ ospathbasename_aspect

Time: ✅ 4.306µs (SLO: <10.000µs 📉 -56.9%) vs baseline: -0.9%

Memory: ✅ 39.872MB (SLO: <41.000MB -2.8%) vs baseline: +4.7%

✅ ospathbasename_noaspect

Time: ✅ 1.078µs (SLO: <10.000µs 📉 -89.2%) vs baseline: -1.3%

Memory: ✅ 39.872MB (SLO: <41.000MB -2.8%) vs baseline: +5.1%

✅ ospathjoin_aspect

Time: ✅ 6.131µs (SLO: <10.000µs 📉 -38.7%) vs baseline: +0.6%

Memory: ✅ 39.833MB (SLO: <41.000MB -2.8%) vs baseline: +4.7%

✅ ospathjoin_noaspect

Time: ✅ 2.289µs (SLO: <10.000µs 📉 -77.1%) vs baseline: +0.4%

Memory: ✅ 39.852MB (SLO: <41.000MB -2.8%) vs baseline: +4.9%

✅ ospathnormcase_aspect

Time: ✅ 3.556µs (SLO: <10.000µs 📉 -64.4%) vs baseline: +0.8%

Memory: ✅ 39.872MB (SLO: <41.000MB -2.8%) vs baseline: +4.8%

✅ ospathnormcase_noaspect

Time: ✅ 0.575µs (SLO: <10.000µs 📉 -94.3%) vs baseline: ~same

Memory: ✅ 39.852MB (SLO: <41.000MB -2.8%) vs baseline: +4.7%

✅ ospathsplit_aspect

Time: ✅ 4.883µs (SLO: <10.000µs 📉 -51.2%) vs baseline: -0.1%

Memory: ✅ 39.892MB (SLO: <41.000MB -2.7%) vs baseline: +5.0%

✅ ospathsplit_noaspect

Time: ✅ 1.602µs (SLO: <10.000µs 📉 -84.0%) vs baseline: +0.3%

Memory: ✅ 39.852MB (SLO: <41.000MB -2.8%) vs baseline: +4.9%

✅ ospathsplitdrive_aspect

Time: ✅ 3.697µs (SLO: <10.000µs 📉 -63.0%) vs baseline: -0.1%

Memory: ✅ 39.872MB (SLO: <41.000MB -2.8%) vs baseline: +4.9%

✅ ospathsplitdrive_noaspect

Time: ✅ 0.694µs (SLO: <10.000µs 📉 -93.1%) vs baseline: -1.8%

Memory: ✅ 39.793MB (SLO: <41.000MB -2.9%) vs baseline: +4.4%

✅ ospathsplitext_aspect

Time: ✅ 4.644µs (SLO: <10.000µs 📉 -53.6%) vs baseline: +1.2%

Memory: ✅ 39.852MB (SLO: <41.000MB -2.8%) vs baseline: +4.7%

✅ ospathsplitext_noaspect

Time: ✅ 1.382µs (SLO: <10.000µs 📉 -86.2%) vs baseline: +0.3%

Memory: ✅ 39.852MB (SLO: <41.000MB -2.8%) vs baseline: +4.7%

✅ iastaspectssplit - 12/12

✅ rsplit_aspect

Time: ✅ 1.397µs (SLO: <10.000µs 📉 -86.0%) vs baseline: +1.0%

Memory: ✅ 39.931MB (SLO: <41.000MB -2.6%) vs baseline: +5.0%

✅ rsplit_noaspect

Time: ✅ 0.576µs (SLO: <10.000µs 📉 -94.2%) vs baseline: -0.7%

Memory: ✅ 39.931MB (SLO: <41.000MB -2.6%) vs baseline: +4.8%

✅ split_aspect

Time: ✅ 1.363µs (SLO: <10.000µs 📉 -86.4%) vs baseline: -0.4%

Memory: ✅ 39.872MB (SLO: <41.000MB -2.8%) vs baseline: +5.2%

✅ split_noaspect

Time: ✅ 0.568µs (SLO: <10.000µs 📉 -94.3%) vs baseline: +0.5%

Memory: ✅ 39.852MB (SLO: <41.000MB -2.8%) vs baseline: +5.0%

✅ splitlines_aspect

Time: ✅ 1.362µs (SLO: <10.000µs 📉 -86.4%) vs baseline: -0.2%

Memory: ✅ 39.793MB (SLO: <41.000MB -2.9%) vs baseline: +4.5%

✅ splitlines_noaspect

Time: ✅ 0.588µs (SLO: <10.000µs 📉 -94.1%) vs baseline: +1.2%

Memory: ✅ 39.852MB (SLO: <41.000MB -2.8%) vs baseline: +4.7%

✅ otelsdkspan - 24/24

✅ add-event

Time: ✅ 40.406ms (SLO: <42.000ms -3.8%) vs baseline: +0.4%

Memory: ✅ 37.021MB (SLO: <39.000MB -5.1%) vs baseline: +4.8%

✅ add-link

Time: ✅ 36.063ms (SLO: <38.550ms -6.5%) vs baseline: -1.0%

Memory: ✅ 37.041MB (SLO: <39.000MB -5.0%) vs baseline: +5.0%

✅ add-metrics

Time: ✅ 219.953ms (SLO: <232.000ms -5.2%) vs baseline: ~same

Memory: ✅ 37.080MB (SLO: <39.000MB -4.9%) vs baseline: +4.9%

✅ add-tags

Time: ✅ 212.513ms (SLO: <221.600ms -4.1%) vs baseline: +0.8%

Memory: ✅ 37.061MB (SLO: <39.000MB -5.0%) vs baseline: +5.0%

✅ get-context

Time: ✅ 29.103ms (SLO: <31.300ms -7.0%) vs baseline: +0.8%

Memory: ✅ 37.041MB (SLO: <39.000MB -5.0%) vs baseline: +4.7%

✅ is-recording

Time: ✅ 29.001ms (SLO: <31.000ms -6.4%) vs baseline: ~same

Memory: ✅ 37.002MB (SLO: <39.000MB -5.1%) vs baseline: +4.6%

✅ record-exception

Time: ✅ 63.194ms (SLO: <65.850ms -4.0%) vs baseline: -0.4%

Memory: ✅ 36.923MB (SLO: <39.000MB -5.3%) vs baseline: +4.6%

✅ set-status

Time: ✅ 32.022ms (SLO: <34.150ms -6.2%) vs baseline: +0.8%

Memory: ✅ 37.041MB (SLO: <39.000MB -5.0%) vs baseline: +4.8%

✅ start

Time: ✅ 28.843ms (SLO: <30.150ms -4.3%) vs baseline: +0.8%

Memory: ✅ 37.120MB (SLO: <39.000MB -4.8%) vs baseline: +5.1%

✅ start-finish

Time: ✅ 33.738ms (SLO: <35.350ms -4.6%) vs baseline: -0.3%

Memory: ✅ 37.080MB (SLO: <39.000MB -4.9%) vs baseline: +4.9%

✅ start-finish-telemetry

Time: ✅ 33.673ms (SLO: <35.450ms -5.0%) vs baseline: +0.3%

Memory: ✅ 37.002MB (SLO: <39.000MB -5.1%) vs baseline: +4.5%

✅ update-name

Time: ✅ 30.851ms (SLO: <33.400ms -7.6%) vs baseline: +0.3%

Memory: ✅ 37.021MB (SLO: <39.000MB -5.1%) vs baseline: +5.0%

✅ otelspan - 22/22

✅ add-event

Time: ✅ 38.710ms (SLO: <47.150ms 📉 -17.9%) vs baseline: +0.6%

Memory: ✅ 39.054MB (SLO: <47.000MB 📉 -16.9%) vs baseline: +4.7%

✅ add-metrics

Time: ✅ 257.846ms (SLO: <344.800ms 📉 -25.2%) vs baseline: +0.4%

Memory: ✅ 43.352MB (SLO: <47.500MB -8.7%) vs baseline: +4.9%

✅ add-tags

Time: ✅ 313.221ms (SLO: <321.000ms -2.4%) vs baseline: ~same

Memory: ✅ 43.354MB (SLO: <47.500MB -8.7%) vs baseline: +5.0%

✅ get-context

Time: ✅ 78.620ms (SLO: <92.350ms 📉 -14.9%) vs baseline: ~same

Memory: ✅ 39.382MB (SLO: <46.500MB 📉 -15.3%) vs baseline: +4.7%

✅ is-recording

Time: ✅ 36.170ms (SLO: <44.500ms 📉 -18.7%) vs baseline: +0.3%

Memory: ✅ 38.941MB (SLO: <47.500MB 📉 -18.0%) vs baseline: +4.7%

✅ record-exception

Time: ✅ 57.315ms (SLO: <67.650ms 📉 -15.3%) vs baseline: -0.1%

Memory: ✅ 39.550MB (SLO: <47.000MB 📉 -15.9%) vs baseline: +4.7%

✅ set-status

Time: ✅ 42.320ms (SLO: <50.400ms 📉 -16.0%) vs baseline: -0.4%

Memory: ✅ 38.932MB (SLO: <47.000MB 📉 -17.2%) vs baseline: +4.8%

✅ start

Time: ✅ 35.285ms (SLO: <43.450ms 📉 -18.8%) vs baseline: -0.5%

Memory: ✅ 38.952MB (SLO: <47.000MB 📉 -17.1%) vs baseline: +4.9%

✅ start-finish

Time: ✅ 82.238ms (SLO: <88.000ms -6.5%) vs baseline: +0.3%

Memory: ✅ 36.746MB (SLO: <46.500MB 📉 -21.0%) vs baseline: +5.1%

✅ start-finish-telemetry

Time: ✅ 83.760ms (SLO: <89.000ms -5.9%) vs baseline: +0.1%

Memory: ✅ 36.628MB (SLO: <46.500MB 📉 -21.2%) vs baseline: +4.8%

✅ update-name

Time: ✅ 36.986ms (SLO: <45.150ms 📉 -18.1%) vs baseline: ~same

Memory: ✅ 38.990MB (SLO: <47.000MB 📉 -17.0%) vs baseline: +4.8%

✅ packagespackageforrootmodulemapping - 4/4

✅ cache_off

Time: ✅ 339.475ms (SLO: <354.300ms -4.2%) vs baseline: -1.0%

Memory: ✅ 40.619MB (SLO: <41.500MB -2.1%) vs baseline: +5.3%

✅ cache_on

Time: ✅ 0.382µs (SLO: <10.000µs 📉 -96.2%) vs baseline: +0.2%

Memory: ✅ 38.991MB (SLO: <41.000MB -4.9%) vs baseline: +5.1%

✅ packagesupdateimporteddependencies - 24/24

✅ import_many

Time: ✅ 155.382µs (SLO: <170.000µs -8.6%) vs baseline: -0.3%

Memory: ✅ 38.998MB (SLO: <41.000MB -4.9%) vs baseline: +4.8%

✅ import_many_cached

Time: ✅ 120.431µs (SLO: <130.000µs -7.4%) vs baseline: -0.9%

Memory: ✅ 38.920MB (SLO: <41.000MB -5.1%) vs baseline: +4.7%

✅ import_many_stdlib

Time: ✅ 1.653ms (SLO: <1.750ms -5.6%) vs baseline: +0.4%

Memory: ✅ 39.140MB (SLO: <41.000MB -4.5%) vs baseline: +5.3%

✅ import_many_stdlib_cached

Time: ✅ 0.996ms (SLO: <1.100ms -9.4%) vs baseline: +0.7%

Memory: ✅ 39.159MB (SLO: <41.000MB -4.5%) vs baseline: +4.8%

✅ import_many_unknown

Time: ✅ 831.518µs (SLO: <890.000µs -6.6%) vs baseline: +0.4%

Memory: ✅ 39.180MB (SLO: <41.000MB -4.4%) vs baseline: +4.6%

✅ import_many_unknown_cached

Time: ✅ 795.243µs (SLO: <870.000µs -8.6%) vs baseline: +1.1%

Memory: ✅ 39.038MB (SLO: <41.000MB -4.8%) vs baseline: +4.1%

✅ import_one

Time: ✅ 19.772µs (SLO: <30.000µs 📉 -34.1%) vs baseline: ~same

Memory: ✅ 38.955MB (SLO: <41.000MB -5.0%) vs baseline: +4.7%

✅ import_one_cache

Time: ✅ 6.316µs (SLO: <10.000µs 📉 -36.8%) vs baseline: +0.9%

Memory: ✅ 39.033MB (SLO: <41.000MB -4.8%) vs baseline: +4.5%

✅ import_one_stdlib

Time: ✅ 18.562µs (SLO: <20.000µs -7.2%) vs baseline: -0.2%

Memory: ✅ 39.108MB (SLO: <41.000MB -4.6%) vs baseline: +4.6%

✅ import_one_stdlib_cache

Time: ✅ 6.284µs (SLO: <10.000µs 📉 -37.2%) vs baseline: -0.2%

Memory: ✅ 39.053MB (SLO: <41.000MB -4.7%) vs baseline: +5.4%

✅ import_one_unknown

Time: ✅ 45.353µs (SLO: <50.000µs -9.3%) vs baseline: -0.4%

Memory: ✅ 38.977MB (SLO: <41.000MB -4.9%) vs baseline: +4.0%

✅ import_one_unknown_cache

Time: ✅ 6.257µs (SLO: <10.000µs 📉 -37.4%) vs baseline: -0.3%

Memory: ✅ 39.138MB (SLO: <41.000MB -4.5%) vs baseline: +5.7%

✅ ratelimiter - 12/12

✅ defaults

Time: ✅ 2.355µs (SLO: <10.000µs 📉 -76.5%) vs baseline: +0.2%

Memory: ✅ 34.564MB (SLO: <35.500MB -2.6%) vs baseline: +4.8%

✅ high_rate_limit

Time: ✅ 2.418µs (SLO: <10.000µs 📉 -75.8%) vs baseline: +0.6%

Memory: ✅ 34.721MB (SLO: <35.500MB -2.2%) vs baseline: +5.2%

✅ long_window

Time: ✅ 2.388µs (SLO: <10.000µs 📉 -76.1%) vs baseline: +1.1%

Memory: ✅ 34.642MB (SLO: <35.500MB -2.4%) vs baseline: +4.9%

✅ low_rate_limit

Time: ✅ 2.369µs (SLO: <10.000µs 📉 -76.3%) vs baseline: ~same

Memory: ✅ 34.583MB (SLO: <35.500MB -2.6%) vs baseline: +5.0%

✅ no_rate_limit

Time: ✅ 0.822µs (SLO: <10.000µs 📉 -91.8%) vs baseline: -0.7%

Memory: ✅ 34.642MB (SLO: <35.500MB -2.4%) vs baseline: +5.0%

✅ short_window

Time: ✅ 2.508µs (SLO: <10.000µs 📉 -74.9%) vs baseline: +0.7%

Memory: ✅ 34.603MB (SLO: <35.500MB -2.5%) vs baseline: +4.9%

✅ recursivecomputation - 8/8

✅ deep

Time: ✅ 308.644ms (SLO: <320.950ms -3.8%) vs baseline: ~same

Memory: ✅ 35.409MB (SLO: <36.500MB -3.0%) vs baseline: +4.7%

✅ deep-profiled

Time: ✅ 329.843ms (SLO: <359.150ms -8.2%) vs baseline: -0.4%

Memory: ✅ 39.322MB (SLO: <40.500MB -2.9%) vs baseline: +5.0%

✅ medium

Time: ✅ 6.985ms (SLO: <7.400ms -5.6%) vs baseline: -0.1%

Memory: ✅ 34.564MB (SLO: <35.500MB -2.6%) vs baseline: +4.8%

✅ shallow

Time: ✅ 0.939ms (SLO: <1.050ms 📉 -10.6%) vs baseline: +0.3%

Memory: ✅ 34.583MB (SLO: <35.500MB -2.6%) vs baseline: +5.0%

✅ sethttpmeta - 32/32

✅ all-disabled

Time: ✅ 10.553µs (SLO: <20.000µs 📉 -47.2%) vs baseline: +0.3%

Memory: ✅ 35.055MB (SLO: <36.000MB -2.6%) vs baseline: +4.9%

✅ all-enabled

Time: ✅ 39.962µs (SLO: <50.000µs 📉 -20.1%) vs baseline: ~same

Memory: ✅ 35.075MB (SLO: <36.000MB -2.6%) vs baseline: +5.0%

✅ collectipvariant_exists

Time: ✅ 40.770µs (SLO: <50.000µs 📉 -18.5%) vs baseline: +0.4%

Memory: ✅ 34.996MB (SLO: <36.000MB -2.8%) vs baseline: +4.7%

✅ no-collectipvariant

Time: ✅ 40.153µs (SLO: <50.000µs 📉 -19.7%) vs baseline: +0.2%

Memory: ✅ 35.036MB (SLO: <36.000MB -2.7%) vs baseline: +5.0%

✅ no-useragentvariant

Time: ✅ 38.893µs (SLO: <50.000µs 📉 -22.2%) vs baseline: +0.3%

Memory: ✅ 35.036MB (SLO: <36.000MB -2.7%) vs baseline: +4.9%

✅ obfuscation-no-query

Time: ✅ 40.466µs (SLO: <50.000µs 📉 -19.1%) vs baseline: -0.3%

Memory: ✅ 34.996MB (SLO: <36.000MB -2.8%) vs baseline: +4.9%

✅ obfuscation-regular-case-explicit-query

Time: ✅ 75.865µs (SLO: <90.000µs 📉 -15.7%) vs baseline: +0.4%

Memory: ✅ 35.134MB (SLO: <36.500MB -3.7%) vs baseline: +4.4%

✅ obfuscation-regular-case-implicit-query

Time: ✅ 76.393µs (SLO: <90.000µs 📉 -15.1%) vs baseline: +0.2%

Memory: ✅ 35.095MB (SLO: <36.500MB -3.9%) vs baseline: +4.7%

✅ obfuscation-send-querystring-disabled

Time: ✅ 154.190µs (SLO: <170.000µs -9.3%) vs baseline: ~same

Memory: ✅ 35.429MB (SLO: <36.500MB -2.9%) vs baseline: +4.9%

✅ obfuscation-worst-case-explicit-query

Time: ✅ 148.527µs (SLO: <160.000µs -7.2%) vs baseline: ~same

Memory: ✅ 35.468MB (SLO: <36.500MB -2.8%) vs baseline: +5.1%

✅ obfuscation-worst-case-implicit-query

Time: ✅ 154.622µs (SLO: <170.000µs -9.0%) vs baseline: -0.2%

Memory: ✅ 35.409MB (SLO: <36.500MB -3.0%) vs baseline: +4.8%

✅ useragentvariant_exists_1

Time: ✅ 39.624µs (SLO: <50.000µs 📉 -20.8%) vs baseline: -0.2%

Memory: ✅ 35.036MB (SLO: <36.000MB -2.7%) vs baseline: +4.7%

✅ useragentvariant_exists_2

Time: ✅ 40.637µs (SLO: <50.000µs 📉 -18.7%) vs baseline: +0.1%

Memory: ✅ 34.996MB (SLO: <36.000MB -2.8%) vs baseline: +4.9%

✅ useragentvariant_exists_3

Time: ✅ 39.954µs (SLO: <50.000µs 📉 -20.1%) vs baseline: -0.3%

Memory: ✅ 35.036MB (SLO: <36.000MB -2.7%) vs baseline: +4.9%

✅ useragentvariant_not_exists_1

Time: ✅ 39.587µs (SLO: <50.000µs 📉 -20.8%) vs baseline: ~same

Memory: ✅ 35.055MB (SLO: <36.000MB -2.6%) vs baseline: +5.1%

✅ useragentvariant_not_exists_2

Time: ✅ 39.686µs (SLO: <50.000µs 📉 -20.6%) vs baseline: +0.5%

Memory: ✅ 35.075MB (SLO: <36.000MB -2.6%) vs baseline: +5.0%

✅ tracer - 6/6

✅ large

Time: ✅ 29.291ms (SLO: <32.950ms 📉 -11.1%) vs baseline: +1.1%

Memory: ✅ 35.645MB (SLO: <36.500MB -2.3%) vs baseline: +4.7%

✅ medium

Time: ✅ 2.882ms (SLO: <3.200ms -9.9%) vs baseline: +0.2%

Memory: ✅ 34.544MB (SLO: <35.500MB -2.7%) vs baseline: +4.7%

✅ small

Time: ✅ 327.902µs (SLO: <370.000µs 📉 -11.4%) vs baseline: ~same

Memory: ✅ 34.623MB (SLO: <35.500MB -2.5%) vs baseline: +4.9%

ℹ️ Scenarios Missing SLO Configuration (9 scenarios)

The following scenarios exist in candidate data but have no SLO thresholds configured:

coreapiscenario-core_dispatch_listeners
coreapiscenario-core_dispatch_no_listeners
coreapiscenario-core_dispatch_with_results_listeners
coreapiscenario-core_dispatch_with_results_no_listeners
djangosimple-baseline
errortrackingdjangosimple-baseline
errortrackingflasksqli-baseline
flasksimple-baseline
flasksqli-baseline

## Description This change adds a section to the upgrade documentation about how to upgrade from 3.0 to 4.0 (cherry picked from commit df81994)

emmettbutler · 2025-11-21T01:07:26Z

@mabdinur I think that's a fine idea. i'll add those.

add 4.0 upgrade section

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emmettbutler enabled auto-merge (squash) November 19, 2025 17:45

emmettbutler added 2 commits November 19, 2025 09:52

Merge branch 'main' into emmett.butler/upgrade-docs

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Merge branch 'main' into emmett.butler/upgrade-docs

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emmettbutler merged commit df81994 into main Nov 20, 2025
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emmettbutler deleted the emmett.butler/upgrade-docs branch November 20, 2025 22:41

dd-octo-sts bot pushed a commit that referenced this pull request Nov 20, 2025

docs: add 4.0 upgrade section (#15343)

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## Description This change adds a section to the upgrade documentation about how to upgrade from 3.0 to 4.0 (cherry picked from commit df81994)

dd-octo-sts bot mentioned this pull request Nov 20, 2025

docs: add 4.0 upgrade section [backport 4.0] #15371

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docs: add 4.0 upgrade section #15343

docs: add 4.0 upgrade section #15343

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emmettbutler commented Nov 19, 2025

Description

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Bootstrap import analysis

Summary

Import time breakdown

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Performance SLOs

✅ 1-count-metric-1-times

✅ 1-count-metrics-100-times

✅ 1-distribution-metric-1-times

✅ 1-distribution-metrics-100-times

✅ 1-gauge-metric-1-times

✅ 1-gauge-metrics-100-times

✅ 1-rate-metric-1-times

✅ 1-rate-metrics-100-times

✅ 100-count-metrics-100-times

✅ 100-distribution-metrics-100-times

✅ 100-gauge-metrics-100-times

✅ 100-rate-metrics-100-times

✅ flush-1-metric

✅ flush-100-metrics

✅ flush-1000-metrics

✅ appsec-get

✅ appsec-post

✅ appsec-telemetry

✅ debugger

✅ iast-get

✅ profiler

✅ resource-renaming

✅ tracer

✅ tracer-native

✅ add-event

✅ add-metrics

✅ add-tags

✅ get-context

✅ is-recording

✅ record-exception

✅ set-status

✅ start

✅ start-finish

✅ start-finish-telemetry

✅ start-finish-traceid128

✅ start-traceid128

✅ update-name

⚠️ context_with_data_listeners

✅ context_with_data_no_listeners

✅ get_item_exists

✅ get_item_missing

✅ set_item

✅ appsec

✅ exception-replay-enabled

✅ iast

✅ profiler

✅ resource-renaming

✅ span-code-origin

✅ tracer

✅ tracer-and-profiler

✅ tracer-dont-create-db-spans

✅ tracer-minimal

✅ tracer-native

✅ tracer-no-caches

✅ tracer-no-databases

✅ tracer-no-middleware

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