Span Creation Memory Test by dougqh · Pull Request #10934 · DataDog/dd-trace-java

dougqh · 2026-03-23T14:20:14Z

What Does This Do

Adds a dedicated memoryTest suite in internal-api that compiles and runs with Java 11.
Adds AgentTracerSpanCreationMemoryTest under internal-api/src/memoryTest/java/datadog/trace/bootstrap/instrumentation/api/ to verify AgentTracer.startSpan() does not emit JFR allocation events in noop mode.
Adds jfrunit to the version catalog and wires it into internal-api via memoryTestImplementation.

Motivation

APMLP-509 is focused on lowering Java tracer overhead. This change adds a regression guard in internal-api so span creation allocation behavior is continuously validated.

Additional Notes

Testing/Validation

Ran Lint tool:
- ktlint formatted internal-api/build.gradle.kts.
- checkstyle ran for internal-api/src/memoryTest/java/datadog/trace/bootstrap/instrumentation/api/AgentTracerSpanCreationMemoryTest.java.
Ran Format tool:
- spotlessApply could not run because Gradle wrapper download failed in this sandbox (services.gradle.org DNS resolution failure).
Could not run Gradle tests in this environment for the same wrapper download/network limitation.

Contributor Checklist

Format the title according to the contribution guidelines
Assign the type: and (comp: or inst:) labels in addition to any other useful labels
Avoid using close, fix, or any linking keywords when referencing an issue
Use solves instead, and assign the PR milestone to the issue
Update the CODEOWNERS file on source file addition, migration, or deletion
Update public documentation with any new configuration flags or behaviors

Jira ticket: APMLP-509

Note: Once your PR is ready to merge, add it to the merge queue by commenting /merge. /merge -c cancels the queue request. /merge -f --reason "reason" skips all merge queue checks; please use this judiciously, as some checks do not run at the PR-level. For more information, see this doc.

PR by Bits - View session in Datadog

Comment @DataDog to request changes

Co-authored-by: dougqh <dougqh@gmail.com>

datadog-prod-us1-4 · 2026-03-23T14:20:16Z

View session in Datadog

Bits Dev status: ✅ Done

CI Auto-fix: Disabled | Enable

Comment @DataDog to request changes

datadog-datadog-prod-us1 · 2026-03-23T14:20:21Z

I can only run on private repositories.

pr-commenter · 2026-03-23T15:07:39Z

Benchmarks

Startup

Parameters

	Baseline	Candidate
baseline_or_candidate	baseline	candidate
git_branch	master	dd/apmlp-509-span-creation-memory-test
git_commit_date	1774271887	1774280581
git_commit_sha	`1916c90`	`f8c6313`
release_version	1.61.0-SNAPSHOT~1916c9079d	1.61.0-SNAPSHOT~f8c6313b14

See matching parameters

	Baseline	Candidate
application	insecure-bank	insecure-bank
ci_job_date	1774282333	1774282333
ci_job_id	1530926775	1530926775
ci_pipeline_id	104015089	104015089
cpu_model	Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz	Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz
kernel_version	Linux runner-zfyrx7zua-project-304-concurrent-0-xoqpc6q2 6.8.0-1031-aws #33~22.04.1-Ubuntu SMP Thu Jun 26 14:22:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux	Linux runner-zfyrx7zua-project-304-concurrent-0-xoqpc6q2 6.8.0-1031-aws #33~22.04.1-Ubuntu SMP Thu Jun 26 14:22:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux
module	Agent	Agent
parent	None	None

Summary

Found 0 performance improvements and 0 performance regressions! Performance is the same for 65 metrics, 6 unstable metrics.

Startup time reports for insecure-bank

gantt
    title insecure-bank - global startup overhead: candidate=1.61.0-SNAPSHOT~f8c6313b14, baseline=1.61.0-SNAPSHOT~1916c9079d

    dateFormat X
    axisFormat %s
section tracing
Agent [baseline] (1.058 s) : 0, 1058421
Total [baseline] (8.833 s) : 0, 8832713
Agent [candidate] (1.06 s) : 0, 1059517
Total [candidate] (8.873 s) : 0, 8873345
section iast
Agent [baseline] (1.226 s) : 0, 1225753
Total [baseline] (9.578 s) : 0, 9577908
Agent [candidate] (1.226 s) : 0, 1226165
Total [candidate] (9.577 s) : 0, 9577277

baseline results

Module	Variant	Duration	Δ tracing
Agent	tracing	1.058 s	-
Agent	iast	1.226 s	167.332 ms (15.8%)
Total	tracing	8.833 s	-
Total	iast	9.578 s	745.195 ms (8.4%)

candidate results

Module	Variant	Duration	Δ tracing
Agent	tracing	1.06 s	-
Agent	iast	1.226 s	166.648 ms (15.7%)
Total	tracing	8.873 s	-
Total	iast	9.577 s	703.932 ms (7.9%)

gantt
    title insecure-bank - break down per module: candidate=1.61.0-SNAPSHOT~f8c6313b14, baseline=1.61.0-SNAPSHOT~1916c9079d

    dateFormat X
    axisFormat %s
section tracing
crashtracking [baseline] (1.211 ms) : 0, 1211
crashtracking [candidate] (1.201 ms) : 0, 1201
BytebuddyAgent [baseline] (629.889 ms) : 0, 629889
BytebuddyAgent [candidate] (630.069 ms) : 0, 630069
AgentMeter [baseline] (29.456 ms) : 0, 29456
AgentMeter [candidate] (29.508 ms) : 0, 29508
GlobalTracer [baseline] (257.523 ms) : 0, 257523
GlobalTracer [candidate] (257.541 ms) : 0, 257541
AppSec [baseline] (31.707 ms) : 0, 31707
AppSec [candidate] (31.689 ms) : 0, 31689
Debugger [baseline] (59.624 ms) : 0, 59624
Debugger [candidate] (59.746 ms) : 0, 59746
Remote Config [baseline] (612.0 µs) : 0, 612
Remote Config [candidate] (589.961 µs) : 0, 590
Telemetry [baseline] (8.051 ms) : 0, 8051
Telemetry [candidate] (8.02 ms) : 0, 8020
Flare Poller [baseline] (4.257 ms) : 0, 4257
Flare Poller [candidate] (4.997 ms) : 0, 4997
section iast
crashtracking [baseline] (1.193 ms) : 0, 1193
crashtracking [candidate] (1.186 ms) : 0, 1186
BytebuddyAgent [baseline] (795.233 ms) : 0, 795233
BytebuddyAgent [candidate] (795.63 ms) : 0, 795630
AgentMeter [baseline] (11.369 ms) : 0, 11369
AgentMeter [candidate] (11.377 ms) : 0, 11377
GlobalTracer [baseline] (247.03 ms) : 0, 247030
GlobalTracer [candidate] (247.568 ms) : 0, 247568
IAST [baseline] (25.343 ms) : 0, 25343
IAST [candidate] (25.331 ms) : 0, 25331
AppSec [baseline] (26.487 ms) : 0, 26487
AppSec [candidate] (26.489 ms) : 0, 26489
Debugger [baseline] (69.787 ms) : 0, 69787
Debugger [candidate] (67.456 ms) : 0, 67456
Remote Config [baseline] (531.335 µs) : 0, 531
Remote Config [candidate] (515.882 µs) : 0, 516
Telemetry [baseline] (9.204 ms) : 0, 9204
Telemetry [candidate] (10.665 ms) : 0, 10665
Flare Poller [baseline] (3.403 ms) : 0, 3403
Flare Poller [candidate] (3.797 ms) : 0, 3797

Startup time reports for petclinic

gantt
    title petclinic - global startup overhead: candidate=1.61.0-SNAPSHOT~f8c6313b14, baseline=1.61.0-SNAPSHOT~1916c9079d

    dateFormat X
    axisFormat %s
section tracing
Agent [baseline] (1.062 s) : 0, 1062185
Total [baseline] (11.058 s) : 0, 11058223
Agent [candidate] (1.068 s) : 0, 1068198
Total [candidate] (11.192 s) : 0, 11191823
section appsec
Agent [baseline] (1.255 s) : 0, 1254518
Total [baseline] (11.246 s) : 0, 11245982
Agent [candidate] (1.248 s) : 0, 1247593
Total [candidate] (11.184 s) : 0, 11184205
section iast
Agent [baseline] (1.228 s) : 0, 1228321
Total [baseline] (11.304 s) : 0, 11303578
Agent [candidate] (1.226 s) : 0, 1225973
Total [candidate] (11.326 s) : 0, 11325764
section profiling
Agent [baseline] (1.19 s) : 0, 1190413
Total [baseline] (11.181 s) : 0, 11180982
Agent [candidate] (1.184 s) : 0, 1183779
Total [candidate] (11.079 s) : 0, 11079398

baseline results

Module	Variant	Duration	Δ tracing
Agent	tracing	1.062 s	-
Agent	appsec	1.255 s	192.333 ms (18.1%)
Agent	iast	1.228 s	166.136 ms (15.6%)
Agent	profiling	1.19 s	128.228 ms (12.1%)
Total	tracing	11.058 s	-
Total	appsec	11.246 s	187.759 ms (1.7%)
Total	iast	11.304 s	245.354 ms (2.2%)
Total	profiling	11.181 s	122.759 ms (1.1%)

candidate results

Module	Variant	Duration	Δ tracing
Agent	tracing	1.068 s	-
Agent	appsec	1.248 s	179.395 ms (16.8%)
Agent	iast	1.226 s	157.774 ms (14.8%)
Agent	profiling	1.184 s	115.581 ms (10.8%)
Total	tracing	11.192 s	-
Total	appsec	11.184 s	-7.618 ms (-0.1%)
Total	iast	11.326 s	133.941 ms (1.2%)
Total	profiling	11.079 s	-112.425 ms (-1.0%)

gantt
    title petclinic - break down per module: candidate=1.61.0-SNAPSHOT~f8c6313b14, baseline=1.61.0-SNAPSHOT~1916c9079d

    dateFormat X
    axisFormat %s
section tracing
crashtracking [baseline] (1.205 ms) : 0, 1205
crashtracking [candidate] (1.206 ms) : 0, 1206
BytebuddyAgent [baseline] (631.598 ms) : 0, 631598
BytebuddyAgent [candidate] (633.965 ms) : 0, 633965
AgentMeter [baseline] (29.541 ms) : 0, 29541
AgentMeter [candidate] (29.615 ms) : 0, 29615
GlobalTracer [baseline] (258.029 ms) : 0, 258029
GlobalTracer [candidate] (259.006 ms) : 0, 259006
AppSec [baseline] (31.873 ms) : 0, 31873
AppSec [candidate] (32.021 ms) : 0, 32021
Debugger [baseline] (60.779 ms) : 0, 60779
Debugger [candidate] (60.923 ms) : 0, 60923
Remote Config [baseline] (590.261 µs) : 0, 590
Remote Config [candidate] (598.432 µs) : 0, 598
Telemetry [baseline] (8.097 ms) : 0, 8097
Telemetry [candidate] (8.144 ms) : 0, 8144
Flare Poller [baseline] (4.339 ms) : 0, 4339
Flare Poller [candidate] (6.596 ms) : 0, 6596
section appsec
crashtracking [baseline] (1.204 ms) : 0, 1204
crashtracking [candidate] (1.204 ms) : 0, 1204
BytebuddyAgent [baseline] (662.948 ms) : 0, 662948
BytebuddyAgent [candidate] (658.891 ms) : 0, 658891
AgentMeter [baseline] (12.195 ms) : 0, 12195
AgentMeter [candidate] (12.089 ms) : 0, 12089
GlobalTracer [baseline] (259.645 ms) : 0, 259645
GlobalTracer [candidate] (258.14 ms) : 0, 258140
IAST [baseline] (24.369 ms) : 0, 24369
IAST [candidate] (24.278 ms) : 0, 24278
AppSec [baseline] (178.623 ms) : 0, 178623
AppSec [candidate] (178.274 ms) : 0, 178274
Debugger [baseline] (66.553 ms) : 0, 66553
Debugger [candidate] (65.785 ms) : 0, 65785
Remote Config [baseline] (627.235 µs) : 0, 627
Remote Config [candidate] (634.468 µs) : 0, 634
Telemetry [baseline] (8.329 ms) : 0, 8329
Telemetry [candidate] (8.344 ms) : 0, 8344
Flare Poller [baseline] (3.606 ms) : 0, 3606
Flare Poller [candidate] (3.607 ms) : 0, 3607
section iast
crashtracking [baseline] (1.19 ms) : 0, 1190
crashtracking [candidate] (1.223 ms) : 0, 1223
BytebuddyAgent [baseline] (796.61 ms) : 0, 796610
BytebuddyAgent [candidate] (794.54 ms) : 0, 794540
AgentMeter [baseline] (11.417 ms) : 0, 11417
AgentMeter [candidate] (11.388 ms) : 0, 11388
GlobalTracer [baseline] (247.526 ms) : 0, 247526
GlobalTracer [candidate] (247.252 ms) : 0, 247252
IAST [baseline] (25.367 ms) : 0, 25367
IAST [candidate] (25.375 ms) : 0, 25375
AppSec [baseline] (26.427 ms) : 0, 26427
AppSec [candidate] (26.51 ms) : 0, 26510
Debugger [baseline] (70.418 ms) : 0, 70418
Debugger [candidate] (70.598 ms) : 0, 70598
Remote Config [baseline] (529.505 µs) : 0, 530
Remote Config [candidate] (533.254 µs) : 0, 533
Telemetry [baseline] (9.345 ms) : 0, 9345
Telemetry [candidate] (9.147 ms) : 0, 9147
Flare Poller [baseline] (3.32 ms) : 0, 3320
Flare Poller [candidate] (3.277 ms) : 0, 3277
section profiling
crashtracking [baseline] (1.179 ms) : 0, 1179
crashtracking [candidate] (1.174 ms) : 0, 1174
BytebuddyAgent [baseline] (687.294 ms) : 0, 687294
BytebuddyAgent [candidate] (682.897 ms) : 0, 682897
AgentMeter [baseline] (8.973 ms) : 0, 8973
AgentMeter [candidate] (9.033 ms) : 0, 9033
GlobalTracer [baseline] (216.655 ms) : 0, 216655
GlobalTracer [candidate] (215.736 ms) : 0, 215736
AppSec [baseline] (32.398 ms) : 0, 32398
AppSec [candidate] (32.204 ms) : 0, 32204
Debugger [baseline] (65.58 ms) : 0, 65580
Debugger [candidate] (65.913 ms) : 0, 65913
Remote Config [baseline] (570.387 µs) : 0, 570
Remote Config [candidate] (565.207 µs) : 0, 565
Telemetry [baseline] (7.77 ms) : 0, 7770
Telemetry [candidate] (7.736 ms) : 0, 7736
Flare Poller [baseline] (4.283 ms) : 0, 4283
Flare Poller [candidate] (3.464 ms) : 0, 3464
ProfilingAgent [baseline] (94.444 ms) : 0, 94444
ProfilingAgent [candidate] (94.169 ms) : 0, 94169
Profiling [baseline] (95.02 ms) : 0, 95020
Profiling [candidate] (94.727 ms) : 0, 94727

Load

Parameters

	Baseline	Candidate
baseline_or_candidate	baseline	candidate
git_branch	master	dd/apmlp-509-span-creation-memory-test
git_commit_date	1774271887	1774280581
git_commit_sha	`1916c90`	`f8c6313`
release_version	1.61.0-SNAPSHOT~1916c9079d	1.61.0-SNAPSHOT~f8c6313b14

See matching parameters

	Baseline	Candidate
application	insecure-bank	insecure-bank
ci_job_date	1774282807	1774282807
ci_job_id	1530926777	1530926777
ci_pipeline_id	104015089	104015089
cpu_model	Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz	Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz
kernel_version	Linux runner-zfyrx7zua-project-304-concurrent-1-8ld5vltw 6.8.0-1031-aws #33~22.04.1-Ubuntu SMP Thu Jun 26 14:22:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux	Linux runner-zfyrx7zua-project-304-concurrent-1-8ld5vltw 6.8.0-1031-aws #33~22.04.1-Ubuntu SMP Thu Jun 26 14:22:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux

Summary

Found 2 performance improvements and 4 performance regressions! Performance is the same for 15 metrics, 15 unstable metrics.

scenario	Δ mean agg_http_req_duration_p50	Δ mean agg_http_req_duration_p95	Δ mean throughput	candidate mean agg_http_req_duration_p50	candidate mean agg_http_req_duration_p95	candidate mean throughput	baseline mean agg_http_req_duration_p50	baseline mean agg_http_req_duration_p95	baseline mean throughput
scenario:load:insecure-bank:iast_FULL:high_load	worse [+274.009µs; +534.776µs] or [+5.569%; +10.868%]	worse [+0.690ms; +1.330ms] or [+5.857%; +11.297%]	unstable [-136.286op/s; +30.911op/s] or [-16.499%; +3.742%]	5.325ms	12.785ms	773.344op/s	4.921ms	11.775ms	826.031op/s
scenario:load:petclinic:tracing:high_load	better [-1220.196µs; -556.344µs] or [-6.690%; -3.051%]	better [-1.771ms; -0.694ms] or [-5.939%; -2.326%]	unstable [-15.290op/s; +35.603op/s] or [-6.068%; +14.130%]	17.350ms	28.583ms	262.125op/s	18.238ms	29.816ms	251.969op/s
scenario:load:petclinic:profiling:high_load	worse [+0.948ms; +1.989ms] or [+5.190%; +10.888%]	worse [+1.091ms; +2.436ms] or [+3.688%; +8.235%]	unstable [-41.009op/s; +7.634op/s] or [-16.344%; +3.043%]	19.737ms	31.341ms	234.219op/s	18.268ms	29.578ms	250.906op/s

Request duration reports for insecure-bank

gantt
    title insecure-bank - request duration [CI 0.99] : candidate=1.61.0-SNAPSHOT~f8c6313b14, baseline=1.61.0-SNAPSHOT~1916c9079d
    dateFormat X
    axisFormat %s
section baseline
no_agent (1.184 ms) : 1172, 1195
.   : milestone, 1184,
iast (3.122 ms) : 3081, 3163
.   : milestone, 3122,
iast_FULL (5.595 ms) : 5540, 5650
.   : milestone, 5595,
iast_GLOBAL (3.57 ms) : 3521, 3619
.   : milestone, 3570,
profiling (2.102 ms) : 2083, 2122
.   : milestone, 2102,
tracing (1.826 ms) : 1811, 1842
.   : milestone, 1826,
section candidate
no_agent (1.192 ms) : 1180, 1204
.   : milestone, 1192,
iast (3.158 ms) : 3114, 3203
.   : milestone, 3158,
iast_FULL (5.98 ms) : 5919, 6040
.   : milestone, 5980,
iast_GLOBAL (3.69 ms) : 3620, 3759
.   : milestone, 3690,
profiling (2.312 ms) : 2288, 2336
.   : milestone, 2312,
tracing (1.869 ms) : 1853, 1885
.   : milestone, 1869,

baseline results

Variant	Request duration [CI 0.99]	Δ no_agent
no_agent	1.184 ms [1.172 ms, 1.195 ms]	-
iast	3.122 ms [3.081 ms, 3.163 ms]	1.938 ms (163.7%)
iast_FULL	5.595 ms [5.54 ms, 5.65 ms]	4.412 ms (372.7%)
iast_GLOBAL	3.57 ms [3.521 ms, 3.619 ms]	2.386 ms (201.6%)
profiling	2.102 ms [2.083 ms, 2.122 ms]	918.493 µs (77.6%)
tracing	1.826 ms [1.811 ms, 1.842 ms]	642.683 µs (54.3%)

candidate results

Variant	Request duration [CI 0.99]	Δ no_agent
no_agent	1.192 ms [1.18 ms, 1.204 ms]	-
iast	3.158 ms [3.114 ms, 3.203 ms]	1.966 ms (164.9%)
iast_FULL	5.98 ms [5.919 ms, 6.04 ms]	4.788 ms (401.5%)
iast_GLOBAL	3.69 ms [3.62 ms, 3.759 ms]	2.497 ms (209.4%)
profiling	2.312 ms [2.288 ms, 2.336 ms]	1.12 ms (93.9%)
tracing	1.869 ms [1.853 ms, 1.885 ms]	676.894 µs (56.8%)

Request duration reports for petclinic

gantt
    title petclinic - request duration [CI 0.99] : candidate=1.61.0-SNAPSHOT~f8c6313b14, baseline=1.61.0-SNAPSHOT~1916c9079d
    dateFormat X
    axisFormat %s
section baseline
no_agent (19.239 ms) : 19041, 19437
.   : milestone, 19239,
appsec (19.393 ms) : 19194, 19592
.   : milestone, 19393,
code_origins (17.706 ms) : 17532, 17880
.   : milestone, 17706,
iast (17.855 ms) : 17677, 18033
.   : milestone, 17855,
profiling (18.601 ms) : 18418, 18784
.   : milestone, 18601,
tracing (18.524 ms) : 18336, 18712
.   : milestone, 18524,
section candidate
no_agent (18.869 ms) : 18678, 19061
.   : milestone, 18869,
appsec (18.782 ms) : 18593, 18971
.   : milestone, 18782,
code_origins (17.598 ms) : 17429, 17767
.   : milestone, 17598,
iast (17.847 ms) : 17668, 18026
.   : milestone, 17847,
profiling (19.933 ms) : 19732, 20133
.   : milestone, 19933,
tracing (17.8 ms) : 17624, 17976
.   : milestone, 17800,

baseline results

Variant	Request duration [CI 0.99]	Δ no_agent
no_agent	19.239 ms [19.041 ms, 19.437 ms]	-
appsec	19.393 ms [19.194 ms, 19.592 ms]	154.253 µs (0.8%)
code_origins	17.706 ms [17.532 ms, 17.88 ms]	-1.533 ms (-8.0%)
iast	17.855 ms [17.677 ms, 18.033 ms]	-1.384 ms (-7.2%)
profiling	18.601 ms [18.418 ms, 18.784 ms]	-637.997 µs (-3.3%)
tracing	18.524 ms [18.336 ms, 18.712 ms]	-714.972 µs (-3.7%)

candidate results

Variant	Request duration [CI 0.99]	Δ no_agent
no_agent	18.869 ms [18.678 ms, 19.061 ms]	-
appsec	18.782 ms [18.593 ms, 18.971 ms]	-87.387 µs (-0.5%)
code_origins	17.598 ms [17.429 ms, 17.767 ms]	-1.272 ms (-6.7%)
iast	17.847 ms [17.668 ms, 18.026 ms]	-1.022 ms (-5.4%)
profiling	19.933 ms [19.732 ms, 20.133 ms]	1.063 ms (5.6%)
tracing	17.8 ms [17.624 ms, 17.976 ms]	-1.069 ms (-5.7%)

Dacapo

Parameters

	Baseline	Candidate
baseline_or_candidate	baseline	candidate
git_branch	master	dd/apmlp-509-span-creation-memory-test
git_commit_date	1774271887	1774280581
git_commit_sha	`1916c90`	`f8c6313`
release_version	1.61.0-SNAPSHOT~1916c9079d	1.61.0-SNAPSHOT~f8c6313b14

See matching parameters

	Baseline	Candidate
application	biojava	biojava
ci_job_date	1774282502	1774282502
ci_job_id	1530926779	1530926779
ci_pipeline_id	104015089	104015089
cpu_model	Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz	Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz
kernel_version	Linux runner-zfyrx7zua-project-304-concurrent-0-wm67o3uw 6.8.0-1031-aws #33~22.04.1-Ubuntu SMP Thu Jun 26 14:22:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux	Linux runner-zfyrx7zua-project-304-concurrent-0-wm67o3uw 6.8.0-1031-aws #33~22.04.1-Ubuntu SMP Thu Jun 26 14:22:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux

Summary

Found 0 performance improvements and 0 performance regressions! Performance is the same for 10 metrics, 2 unstable metrics.

Execution time for tomcat

gantt
    title tomcat - execution time [CI 0.99] : candidate=1.61.0-SNAPSHOT~f8c6313b14, baseline=1.61.0-SNAPSHOT~1916c9079d
    dateFormat X
    axisFormat %s
section baseline
no_agent (1.477 ms) : 1466, 1489
.   : milestone, 1477,
appsec (3.718 ms) : 3502, 3934
.   : milestone, 3718,
iast (2.247 ms) : 2178, 2316
.   : milestone, 2247,
iast_GLOBAL (2.302 ms) : 2232, 2372
.   : milestone, 2302,
profiling (2.51 ms) : 2346, 2675
.   : milestone, 2510,
tracing (2.064 ms) : 2010, 2117
.   : milestone, 2064,
section candidate
no_agent (1.472 ms) : 1461, 1484
.   : milestone, 1472,
appsec (3.796 ms) : 3575, 4018
.   : milestone, 3796,
iast (2.253 ms) : 2184, 2322
.   : milestone, 2253,
iast_GLOBAL (2.294 ms) : 2225, 2363
.   : milestone, 2294,
profiling (2.07 ms) : 2016, 2124
.   : milestone, 2070,
tracing (2.063 ms) : 2009, 2117
.   : milestone, 2063,

baseline results

Variant	Execution Time [CI 0.99]	Δ no_agent
no_agent	1.477 ms [1.466 ms, 1.489 ms]	-
appsec	3.718 ms [3.502 ms, 3.934 ms]	2.241 ms (151.7%)
iast	2.247 ms [2.178 ms, 2.316 ms]	769.734 µs (52.1%)
iast_GLOBAL	2.302 ms [2.232 ms, 2.372 ms]	824.753 µs (55.8%)
profiling	2.51 ms [2.346 ms, 2.675 ms]	1.033 ms (69.9%)
tracing	2.064 ms [2.01 ms, 2.117 ms]	586.603 µs (39.7%)

candidate results

Variant	Execution Time [CI 0.99]	Δ no_agent
no_agent	1.472 ms [1.461 ms, 1.484 ms]	-
appsec	3.796 ms [3.575 ms, 4.018 ms]	2.324 ms (157.8%)
iast	2.253 ms [2.184 ms, 2.322 ms]	780.856 µs (53.0%)
iast_GLOBAL	2.294 ms [2.225 ms, 2.363 ms]	821.475 µs (55.8%)
profiling	2.07 ms [2.016 ms, 2.124 ms]	597.686 µs (40.6%)
tracing	2.063 ms [2.009 ms, 2.117 ms]	590.668 µs (40.1%)

Execution time for biojava

gantt
    title biojava - execution time [CI 0.99] : candidate=1.61.0-SNAPSHOT~f8c6313b14, baseline=1.61.0-SNAPSHOT~1916c9079d
    dateFormat X
    axisFormat %s
section baseline
no_agent (15.523 s) : 15523000, 15523000
.   : milestone, 15523000,
appsec (14.501 s) : 14501000, 14501000
.   : milestone, 14501000,
iast (18.248 s) : 18248000, 18248000
.   : milestone, 18248000,
iast_GLOBAL (17.811 s) : 17811000, 17811000
.   : milestone, 17811000,
profiling (14.875 s) : 14875000, 14875000
.   : milestone, 14875000,
tracing (15.021 s) : 15021000, 15021000
.   : milestone, 15021000,
section candidate
no_agent (14.885 s) : 14885000, 14885000
.   : milestone, 14885000,
appsec (14.661 s) : 14661000, 14661000
.   : milestone, 14661000,
iast (18.325 s) : 18325000, 18325000
.   : milestone, 18325000,
iast_GLOBAL (18.027 s) : 18027000, 18027000
.   : milestone, 18027000,
profiling (14.964 s) : 14964000, 14964000
.   : milestone, 14964000,
tracing (14.908 s) : 14908000, 14908000
.   : milestone, 14908000,

baseline results

Variant	Execution Time [CI 0.99]	Δ no_agent
no_agent	15.523 s [15.523 s, 15.523 s]	-
appsec	14.501 s [14.501 s, 14.501 s]	-1.022 s (-6.6%)
iast	18.248 s [18.248 s, 18.248 s]	2.725 s (17.6%)
iast_GLOBAL	17.811 s [17.811 s, 17.811 s]	2.288 s (14.7%)
profiling	14.875 s [14.875 s, 14.875 s]	-648.0 ms (-4.2%)
tracing	15.021 s [15.021 s, 15.021 s]	-502.0 ms (-3.2%)

candidate results

Variant	Execution Time [CI 0.99]	Δ no_agent
no_agent	14.885 s [14.885 s, 14.885 s]	-
appsec	14.661 s [14.661 s, 14.661 s]	-224.0 ms (-1.5%)
iast	18.325 s [18.325 s, 18.325 s]	3.44 s (23.1%)
iast_GLOBAL	18.027 s [18.027 s, 18.027 s]	3.142 s (21.1%)
profiling	14.964 s [14.964 s, 14.964 s]	79.0 ms (0.5%)
tracing	14.908 s [14.908 s, 14.908 s]	23.0 ms (0.2%)

Co-authored-by: dougqh <dougqh@gmail.com>

Add APMLP-509 span memory test

1281df4

Co-authored-by: dougqh <dougqh@gmail.com>

datadog-prod-us1-3 bot added the Bits AI label Mar 23, 2026

Activate parent and child spans

f8c6313

Co-authored-by: dougqh <dougqh@gmail.com>

dougqh changed the title ~~Add APMLP-509 span creation memory test~~ Span Creation Memory Test Mar 24, 2026

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Span Creation Memory Test#10934

Span Creation Memory Test#10934
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