Mitigate user prefs lock #10231

bric3 · 2025-12-17T14:22:21Z

What Does This Do

Move the Gradle daemon user prefs location to a different location.

Motivation

Filing steps, due to user preferences locking contention.

Symptom:

Couldn't flush user prefs: java.util.prefs.BackingStoreException: Couldn't get file lock.

User preferences are still a bottleneck for some steps, in particular the 5/6 slot for instrumentation tests.

Analysis
This is still happening, the reason is that on Linux, the Preferences backend is a FileSystemPreferences.

Whoever request the user preferences, trigger the following automatic flush mechanism, that will happen

Every 30 seconds via a timer (java.util.prefs.syncInterval property, default 30s)
On shutdown

Gradle is configured to have 4 active parallel workers via the --max-workers flag (otherwise the default would be 10, the number of requested CPU). Possibly they are started around the same time and contend on this lock.

Who is writing there
Groovy !

~/.java/.userPrefs
├── .user.lock.non-root-user
├── .userRootModFile.non-root-user
└── org
    ├── codehaus
    │   ├── groovy
    │   │   ├── tools
    │   │   │   └── shell
    │   │   │   │   └── prefs.xml
    │   │   │   └── prefs.xml
    │   │   └── prefs.xml
    │   └── prefs.xml
    └── prefs.xml

This is a follow-up of the mitigations in

Avoid preferences lock file contention for tests due to spawned child processes #10083

Additional Notes

Contributor Checklist

Format the title according the contribution guidelines
Assign the type: and (comp: or inst:) labels in addition to any useful labels
Don't use 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, move, or deletion
Update the public documentation in case of new configuration flag or behavior

Jira ticket: [PROJ-IDENT]

pr-commenter · 2025-12-17T14:53:41Z

Benchmarks

Startup

Parameters

	Baseline	Candidate
baseline_or_candidate	baseline	candidate
git_branch	master	bdu/mitigate-userprefs-lock
git_commit_date	1765967148	1765980240
git_commit_sha	`dda618e`	`f2184f4`
release_version	1.57.0-SNAPSHOT~dda618e90d	1.57.0-SNAPSHOT~f2184f4bf5

See matching parameters

	Baseline	Candidate
application	insecure-bank	insecure-bank
ci_job_date	1765982110	1765982110
ci_job_id	1302438418	1302438418
ci_pipeline_id	87285567	87285567
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-0-89ngo5dj 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-0-89ngo5dj 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 53 metrics, 12 unstable metrics.

Startup time reports for insecure-bank

gantt
    title insecure-bank - global startup overhead: candidate=1.57.0-SNAPSHOT~f2184f4bf5, baseline=1.57.0-SNAPSHOT~dda618e90d

    dateFormat X
    axisFormat %s
section tracing
Agent [baseline] (1.089 s) : 0, 1088609
Total [baseline] (8.791 s) : 0, 8790532
Agent [candidate] (1.082 s) : 0, 1081925
Total [candidate] (8.723 s) : 0, 8722975
section iast
Agent [baseline] (1.218 s) : 0, 1218405
Total [baseline] (9.339 s) : 0, 9338991
Agent [candidate] (1.22 s) : 0, 1220084
Total [candidate] (9.316 s) : 0, 9316441

baseline results

Module	Variant	Duration	Δ tracing
Agent	tracing	1.089 s	-
Agent	iast	1.218 s	129.796 ms (11.9%)
Total	tracing	8.791 s	-
Total	iast	9.339 s	548.459 ms (6.2%)

candidate results

Module	Variant	Duration	Δ tracing
Agent	tracing	1.082 s	-
Agent	iast	1.22 s	138.158 ms (12.8%)
Total	tracing	8.723 s	-
Total	iast	9.316 s	593.466 ms (6.8%)

gantt
    title insecure-bank - break down per module: candidate=1.57.0-SNAPSHOT~f2184f4bf5, baseline=1.57.0-SNAPSHOT~dda618e90d

    dateFormat X
    axisFormat %s
section tracing
crashtracking [baseline] (1.196 ms) : 0, 1196
crashtracking [candidate] (1.188 ms) : 0, 1188
BytebuddyAgent [baseline] (652.869 ms) : 0, 652869
BytebuddyAgent [candidate] (649.234 ms) : 0, 649234
GlobalTracer [baseline] (284.694 ms) : 0, 284694
GlobalTracer [candidate] (283.312 ms) : 0, 283312
AppSec [baseline] (32.672 ms) : 0, 32672
AppSec [candidate] (32.353 ms) : 0, 32353
Debugger [baseline] (67.682 ms) : 0, 67682
Debugger [candidate] (66.864 ms) : 0, 66864
Remote Config [baseline] (659.874 µs) : 0, 660
Remote Config [candidate] (620.826 µs) : 0, 621
Telemetry [baseline] (9.228 ms) : 0, 9228
Telemetry [candidate] (9.076 ms) : 0, 9076
Flare Poller [baseline] (3.851 ms) : 0, 3851
Flare Poller [candidate] (3.716 ms) : 0, 3716
section iast
crashtracking [baseline] (1.19 ms) : 0, 1190
crashtracking [candidate] (1.183 ms) : 0, 1183
BytebuddyAgent [baseline] (788.217 ms) : 0, 788217
BytebuddyAgent [candidate] (788.821 ms) : 0, 788821
GlobalTracer [baseline] (255.291 ms) : 0, 255291
GlobalTracer [candidate] (256.097 ms) : 0, 256097
IAST [baseline] (27.019 ms) : 0, 27019
IAST [candidate] (26.902 ms) : 0, 26902
AppSec [baseline] (34.31 ms) : 0, 34310
AppSec [candidate] (34.494 ms) : 0, 34494
Debugger [baseline] (64.53 ms) : 0, 64530
Debugger [candidate] (64.713 ms) : 0, 64713
Remote Config [baseline] (571.481 µs) : 0, 571
Remote Config [candidate] (591.403 µs) : 0, 591
Telemetry [baseline] (8.352 ms) : 0, 8352
Telemetry [candidate] (8.397 ms) : 0, 8397
Flare Poller [baseline] (3.523 ms) : 0, 3523
Flare Poller [candidate] (3.479 ms) : 0, 3479

Startup time reports for petclinic

gantt
    title petclinic - global startup overhead: candidate=1.57.0-SNAPSHOT~f2184f4bf5, baseline=1.57.0-SNAPSHOT~dda618e90d

    dateFormat X
    axisFormat %s
section tracing
Agent [baseline] (1.09 s) : 0, 1089548
Total [baseline] (10.883 s) : 0, 10883200
Agent [candidate] (1.084 s) : 0, 1083588
Total [candidate] (10.966 s) : 0, 10966277
section appsec
Agent [baseline] (1.262 s) : 0, 1262299
Total [baseline] (11.026 s) : 0, 11025632
Agent [candidate] (1.265 s) : 0, 1264726
Total [candidate] (11.089 s) : 0, 11089093
section iast
Agent [baseline] (1.24 s) : 0, 1239946
Total [baseline] (11.272 s) : 0, 11271501
Agent [candidate] (1.224 s) : 0, 1223849
Total [candidate] (11.198 s) : 0, 11198319
section profiling
Agent [baseline] (1.205 s) : 0, 1205458
Total [baseline] (10.995 s) : 0, 10995121
Agent [candidate] (1.205 s) : 0, 1204967
Total [candidate] (10.91 s) : 0, 10910384

baseline results

Module	Variant	Duration	Δ tracing
Agent	tracing	1.09 s	-
Agent	appsec	1.262 s	172.752 ms (15.9%)
Agent	iast	1.24 s	150.398 ms (13.8%)
Agent	profiling	1.205 s	115.91 ms (10.6%)
Total	tracing	10.883 s	-
Total	appsec	11.026 s	142.432 ms (1.3%)
Total	iast	11.272 s	388.3 ms (3.6%)
Total	profiling	10.995 s	111.921 ms (1.0%)

candidate results

Module	Variant	Duration	Δ tracing
Agent	tracing	1.084 s	-
Agent	appsec	1.265 s	181.138 ms (16.7%)
Agent	iast	1.224 s	140.261 ms (12.9%)
Agent	profiling	1.205 s	121.379 ms (11.2%)
Total	tracing	10.966 s	-
Total	appsec	11.089 s	122.816 ms (1.1%)
Total	iast	11.198 s	232.042 ms (2.1%)
Total	profiling	10.91 s	-55.893 ms (-0.5%)

gantt
    title petclinic - break down per module: candidate=1.57.0-SNAPSHOT~f2184f4bf5, baseline=1.57.0-SNAPSHOT~dda618e90d

    dateFormat X
    axisFormat %s
section tracing
crashtracking [baseline] (1.186 ms) : 0, 1186
crashtracking [candidate] (1.193 ms) : 0, 1193
BytebuddyAgent [baseline] (653.449 ms) : 0, 653449
BytebuddyAgent [candidate] (649.984 ms) : 0, 649984
GlobalTracer [baseline] (284.426 ms) : 0, 284426
GlobalTracer [candidate] (282.975 ms) : 0, 282975
AppSec [baseline] (32.635 ms) : 0, 32635
AppSec [candidate] (32.424 ms) : 0, 32424
Debugger [baseline] (67.138 ms) : 0, 67138
Debugger [candidate] (67.965 ms) : 0, 67965
Remote Config [baseline] (629.348 µs) : 0, 629
Remote Config [candidate] (632.535 µs) : 0, 633
Telemetry [baseline] (9.74 ms) : 0, 9740
Telemetry [candidate] (9.045 ms) : 0, 9045
Flare Poller [baseline] (4.661 ms) : 0, 4661
Flare Poller [candidate] (3.734 ms) : 0, 3734
section appsec
crashtracking [baseline] (1.184 ms) : 0, 1184
crashtracking [candidate] (1.193 ms) : 0, 1193
BytebuddyAgent [baseline] (687.907 ms) : 0, 687907
BytebuddyAgent [candidate] (689.054 ms) : 0, 689054
GlobalTracer [baseline] (258.935 ms) : 0, 258935
GlobalTracer [candidate] (258.788 ms) : 0, 258788
IAST [baseline] (24.529 ms) : 0, 24529
IAST [candidate] (24.698 ms) : 0, 24698
AppSec [baseline] (171.301 ms) : 0, 171301
AppSec [candidate] (172.118 ms) : 0, 172118
Debugger [baseline] (69.351 ms) : 0, 69351
Debugger [candidate] (69.719 ms) : 0, 69719
Remote Config [baseline] (706.263 µs) : 0, 706
Remote Config [candidate] (689.585 µs) : 0, 690
Telemetry [baseline] (9.016 ms) : 0, 9016
Telemetry [candidate] (9.026 ms) : 0, 9026
Flare Poller [baseline] (3.76 ms) : 0, 3760
Flare Poller [candidate] (3.794 ms) : 0, 3794
section iast
crashtracking [baseline] (1.198 ms) : 0, 1198
crashtracking [candidate] (1.179 ms) : 0, 1179
BytebuddyAgent [baseline] (802.263 ms) : 0, 802263
BytebuddyAgent [candidate] (789.914 ms) : 0, 789914
GlobalTracer [baseline] (259.292 ms) : 0, 259292
GlobalTracer [candidate] (255.963 ms) : 0, 255963
IAST [baseline] (27.606 ms) : 0, 27606
IAST [candidate] (27.185 ms) : 0, 27185
AppSec [baseline] (34.973 ms) : 0, 34973
AppSec [candidate] (33.607 ms) : 0, 33607
Debugger [baseline] (66.264 ms) : 0, 66264
Debugger [candidate] (67.688 ms) : 0, 67688
Remote Config [baseline] (559.869 µs) : 0, 560
Remote Config [candidate] (608.621 µs) : 0, 609
Telemetry [baseline] (8.5 ms) : 0, 8500
Telemetry [candidate] (8.612 ms) : 0, 8612
Flare Poller [baseline] (3.487 ms) : 0, 3487
Flare Poller [candidate] (3.559 ms) : 0, 3559
section profiling
crashtracking [baseline] (1.223 ms) : 0, 1223
crashtracking [candidate] (1.207 ms) : 0, 1207
BytebuddyAgent [baseline] (701.073 ms) : 0, 701073
BytebuddyAgent [candidate] (702.174 ms) : 0, 702174
GlobalTracer [baseline] (221.593 ms) : 0, 221593
GlobalTracer [candidate] (221.126 ms) : 0, 221126
AppSec [baseline] (32.004 ms) : 0, 32004
AppSec [candidate] (32.16 ms) : 0, 32160
Debugger [baseline] (68.532 ms) : 0, 68532
Debugger [candidate] (68.372 ms) : 0, 68372
Remote Config [baseline] (630.603 µs) : 0, 631
Remote Config [candidate] (635.909 µs) : 0, 636
Telemetry [baseline] (9.013 ms) : 0, 9013
Telemetry [candidate] (8.806 ms) : 0, 8806
Flare Poller [baseline] (3.792 ms) : 0, 3792
Flare Poller [candidate] (3.729 ms) : 0, 3729
ProfilingAgent [baseline] (97.818 ms) : 0, 97818
ProfilingAgent [candidate] (96.872 ms) : 0, 96872
Profiling [baseline] (98.42 ms) : 0, 98420
Profiling [candidate] (97.439 ms) : 0, 97439

Load

Parameters

	Baseline	Candidate
baseline_or_candidate	baseline	candidate
git_branch	master	bdu/mitigate-userprefs-lock
git_commit_date	1765967148	1765980240
git_commit_sha	`dda618e`	`f2184f4`
release_version	1.57.0-SNAPSHOT~dda618e90d	1.57.0-SNAPSHOT~f2184f4bf5

See matching parameters

	Baseline	Candidate
application	insecure-bank	insecure-bank
ci_job_date	1765982604	1765982604
ci_job_id	1302438420	1302438420
ci_pipeline_id	87285567	87285567
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-wcf4ubin 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-wcf4ubin 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 2 performance regressions! Performance is the same for 16 metrics, 16 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:petclinic:code_origins:high_load	worse [+481.637µs; +1341.116µs] or [+2.746%; +7.646%]	worse [+0.911ms; +2.034ms] or [+3.184%; +7.110%]	unstable [-39.678op/s; +12.303op/s] or [-15.161%; +4.701%]	18.451ms	30.082ms	248.031op/s	17.540ms	28.609ms	261.719op/s
scenario:load:petclinic:tracing:high_load	better [-1.656ms; -0.784ms] or [-9.061%; -4.290%]	better [-2.005ms; -0.945ms] or [-6.727%; -3.170%]	unstable [-10.970op/s; +41.970op/s] or [-4.377%; +16.748%]	17.056ms	28.332ms	266.094op/s	18.276ms	29.807ms	250.594op/s

Request duration reports for petclinic

gantt
    title petclinic - request duration [CI 0.99] : candidate=1.57.0-SNAPSHOT~f2184f4bf5, baseline=1.57.0-SNAPSHOT~dda618e90d
    dateFormat X
    axisFormat %s
section baseline
no_agent (18.018 ms) : 17836, 18200
.   : milestone, 18018,
appsec (19.577 ms) : 19377, 19778
.   : milestone, 19577,
code_origins (17.826 ms) : 17649, 18002
.   : milestone, 17826,
iast (18.17 ms) : 17988, 18352
.   : milestone, 18170,
profiling (18.606 ms) : 18421, 18791
.   : milestone, 18606,
tracing (18.623 ms) : 18435, 18812
.   : milestone, 18623,
section candidate
no_agent (18.216 ms) : 18027, 18405
.   : milestone, 18216,
appsec (18.97 ms) : 18778, 19163
.   : milestone, 18970,
code_origins (18.818 ms) : 18628, 19009
.   : milestone, 18818,
iast (17.859 ms) : 17680, 18038
.   : milestone, 17859,
profiling (18.622 ms) : 18434, 18809
.   : milestone, 18622,
tracing (17.532 ms) : 17357, 17706
.   : milestone, 17532,

baseline results

Variant	Request duration [CI 0.99]	Δ no_agent
no_agent	18.018 ms [17.836 ms, 18.2 ms]	-
appsec	19.577 ms [19.377 ms, 19.778 ms]	1.559 ms (8.7%)
code_origins	17.826 ms [17.649 ms, 18.002 ms]	-192.109 µs (-1.1%)
iast	18.17 ms [17.988 ms, 18.352 ms]	152.379 µs (0.8%)
profiling	18.606 ms [18.421 ms, 18.791 ms]	588.132 µs (3.3%)
tracing	18.623 ms [18.435 ms, 18.812 ms]	605.37 µs (3.4%)

candidate results

Variant	Request duration [CI 0.99]	Δ no_agent
no_agent	18.216 ms [18.027 ms, 18.405 ms]	-
appsec	18.97 ms [18.778 ms, 19.163 ms]	754.064 µs (4.1%)
code_origins	18.818 ms [18.628 ms, 19.009 ms]	602.026 µs (3.3%)
iast	17.859 ms [17.68 ms, 18.038 ms]	-357.111 µs (-2.0%)
profiling	18.622 ms [18.434 ms, 18.809 ms]	405.202 µs (2.2%)
tracing	17.532 ms [17.357 ms, 17.706 ms]	-684.726 µs (-3.8%)

Request duration reports for insecure-bank

gantt
    title insecure-bank - request duration [CI 0.99] : candidate=1.57.0-SNAPSHOT~f2184f4bf5, baseline=1.57.0-SNAPSHOT~dda618e90d
    dateFormat X
    axisFormat %s
section baseline
no_agent (1.184 ms) : 1173, 1195
.   : milestone, 1184,
iast (3.108 ms) : 3072, 3145
.   : milestone, 3108,
iast_FULL (5.889 ms) : 5829, 5949
.   : milestone, 5889,
iast_GLOBAL (3.638 ms) : 3583, 3693
.   : milestone, 3638,
profiling (2.008 ms) : 1989, 2026
.   : milestone, 2008,
tracing (1.764 ms) : 1749, 1778
.   : milestone, 1764,
section candidate
no_agent (1.17 ms) : 1158, 1181
.   : milestone, 1170,
iast (3.198 ms) : 3158, 3238
.   : milestone, 3198,
iast_FULL (5.857 ms) : 5798, 5916
.   : milestone, 5857,
iast_GLOBAL (3.615 ms) : 3558, 3672
.   : milestone, 3615,
profiling (1.912 ms) : 1896, 1928
.   : milestone, 1912,
tracing (1.795 ms) : 1780, 1811
.   : milestone, 1795,

baseline results

Variant	Request duration [CI 0.99]	Δ no_agent
no_agent	1.184 ms [1.173 ms, 1.195 ms]	-
iast	3.108 ms [3.072 ms, 3.145 ms]	1.925 ms (162.6%)
iast_FULL	5.889 ms [5.829 ms, 5.949 ms]	4.706 ms (397.6%)
iast_GLOBAL	3.638 ms [3.583 ms, 3.693 ms]	2.454 ms (207.3%)
profiling	2.008 ms [1.989 ms, 2.026 ms]	824.075 µs (69.6%)
tracing	1.764 ms [1.749 ms, 1.778 ms]	579.948 µs (49.0%)

candidate results

Variant	Request duration [CI 0.99]	Δ no_agent
no_agent	1.17 ms [1.158 ms, 1.181 ms]	-
iast	3.198 ms [3.158 ms, 3.238 ms]	2.028 ms (173.4%)
iast_FULL	5.857 ms [5.798 ms, 5.916 ms]	4.687 ms (400.7%)
iast_GLOBAL	3.615 ms [3.558 ms, 3.672 ms]	2.445 ms (209.0%)
profiling	1.912 ms [1.896 ms, 1.928 ms]	742.548 µs (63.5%)
tracing	1.795 ms [1.78 ms, 1.811 ms]	625.446 µs (53.5%)

Dacapo

Parameters

	Baseline	Candidate
baseline_or_candidate	baseline	candidate
git_branch	master	bdu/mitigate-userprefs-lock
git_commit_date	1765967148	1765980240
git_commit_sha	`dda618e`	`f2184f4`
release_version	1.57.0-SNAPSHOT~dda618e90d	1.57.0-SNAPSHOT~f2184f4bf5

See matching parameters

	Baseline	Candidate
application	biojava	biojava
ci_job_date	1765982306	1765982306
ci_job_id	1302438423	1302438423
ci_pipeline_id	87285567	87285567
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-1-5e43qc66 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-1-5e43qc66 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 11 metrics, 1 unstable metrics.

Execution time for biojava

gantt
    title biojava - execution time [CI 0.99] : candidate=1.57.0-SNAPSHOT~f2184f4bf5, baseline=1.57.0-SNAPSHOT~dda618e90d
    dateFormat X
    axisFormat %s
section baseline
no_agent (15.547 s) : 15547000, 15547000
.   : milestone, 15547000,
appsec (14.698 s) : 14698000, 14698000
.   : milestone, 14698000,
iast (18.35 s) : 18350000, 18350000
.   : milestone, 18350000,
iast_GLOBAL (17.769 s) : 17769000, 17769000
.   : milestone, 17769000,
profiling (14.964 s) : 14964000, 14964000
.   : milestone, 14964000,
tracing (14.771 s) : 14771000, 14771000
.   : milestone, 14771000,
section candidate
no_agent (14.958 s) : 14958000, 14958000
.   : milestone, 14958000,
appsec (14.736 s) : 14736000, 14736000
.   : milestone, 14736000,
iast (18.141 s) : 18141000, 18141000
.   : milestone, 18141000,
iast_GLOBAL (18.118 s) : 18118000, 18118000
.   : milestone, 18118000,
profiling (14.627 s) : 14627000, 14627000
.   : milestone, 14627000,
tracing (14.738 s) : 14738000, 14738000
.   : milestone, 14738000,

baseline results

Variant	Execution Time [CI 0.99]	Δ no_agent
no_agent	15.547 s [15.547 s, 15.547 s]	-
appsec	14.698 s [14.698 s, 14.698 s]	-849.0 ms (-5.5%)
iast	18.35 s [18.35 s, 18.35 s]	2.803 s (18.0%)
iast_GLOBAL	17.769 s [17.769 s, 17.769 s]	2.222 s (14.3%)
profiling	14.964 s [14.964 s, 14.964 s]	-583.0 ms (-3.7%)
tracing	14.771 s [14.771 s, 14.771 s]	-776.0 ms (-5.0%)

candidate results

Variant	Execution Time [CI 0.99]	Δ no_agent
no_agent	14.958 s [14.958 s, 14.958 s]	-
appsec	14.736 s [14.736 s, 14.736 s]	-222.0 ms (-1.5%)
iast	18.141 s [18.141 s, 18.141 s]	3.183 s (21.3%)
iast_GLOBAL	18.118 s [18.118 s, 18.118 s]	3.16 s (21.1%)
profiling	14.627 s [14.627 s, 14.627 s]	-331.0 ms (-2.2%)
tracing	14.738 s [14.738 s, 14.738 s]	-220.0 ms (-1.5%)

Execution time for tomcat

gantt
    title tomcat - execution time [CI 0.99] : candidate=1.57.0-SNAPSHOT~f2184f4bf5, baseline=1.57.0-SNAPSHOT~dda618e90d
    dateFormat X
    axisFormat %s
section baseline
no_agent (1.473 ms) : 1462, 1485
.   : milestone, 1473,
appsec (2.453 ms) : 2402, 2505
.   : milestone, 2453,
iast (2.211 ms) : 2147, 2275
.   : milestone, 2211,
iast_GLOBAL (2.245 ms) : 2181, 2309
.   : milestone, 2245,
profiling (2.089 ms) : 2035, 2144
.   : milestone, 2089,
tracing (2.037 ms) : 1986, 2087
.   : milestone, 2037,
section candidate
no_agent (1.474 ms) : 1462, 1485
.   : milestone, 1474,
appsec (3.628 ms) : 3412, 3843
.   : milestone, 3628,
iast (2.197 ms) : 2133, 2261
.   : milestone, 2197,
iast_GLOBAL (2.245 ms) : 2181, 2309
.   : milestone, 2245,
profiling (2.063 ms) : 2011, 2116
.   : milestone, 2063,
tracing (2.04 ms) : 1989, 2090
.   : milestone, 2040,

baseline results

Variant	Execution Time [CI 0.99]	Δ no_agent
no_agent	1.473 ms [1.462 ms, 1.485 ms]	-
appsec	2.453 ms [2.402 ms, 2.505 ms]	980.384 µs (66.6%)
iast	2.211 ms [2.147 ms, 2.275 ms]	737.555 µs (50.1%)
iast_GLOBAL	2.245 ms [2.181 ms, 2.309 ms]	771.895 µs (52.4%)
profiling	2.089 ms [2.035 ms, 2.144 ms]	616.387 µs (41.8%)
tracing	2.037 ms [1.986 ms, 2.087 ms]	563.765 µs (38.3%)

candidate results

Variant	Execution Time [CI 0.99]	Δ no_agent
no_agent	1.474 ms [1.462 ms, 1.485 ms]	-
appsec	3.628 ms [3.412 ms, 3.843 ms]	2.154 ms (146.1%)
iast	2.197 ms [2.133 ms, 2.261 ms]	722.683 µs (49.0%)
iast_GLOBAL	2.245 ms [2.181 ms, 2.309 ms]	770.933 µs (52.3%)
profiling	2.063 ms [2.011 ms, 2.116 ms]	589.482 µs (40.0%)
tracing	2.04 ms [1.989 ms, 2.09 ms]	565.776 µs (38.4%)

chore: Mitigate user prefs lock

f2184f4

bric3 requested a review from a team as a code owner December 17, 2025 14:22

bric3 requested review from pawelchcki and removed request for a team December 17, 2025 14:22

bric3 added tag: no release notes Changes to exclude from release notes comp: tooling Build & Tooling labels Dec 17, 2025

bric3 temporarily deployed to ci-build December 17, 2025 14:22 — with GitHub Actions Inactive

bric3 requested review from AlexeyKuznetsov-DD and sarahchen6 December 17, 2025 14:24

AlexeyKuznetsov-DD approved these changes Dec 17, 2025

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bric3 merged commit cebe04f into master Dec 17, 2025
568 of 570 checks passed

bric3 deleted the bdu/mitigate-userprefs-lock branch December 17, 2025 15:00

github-actions bot added this to the 1.57.0 milestone Dec 17, 2025

jandro996 pushed a commit that referenced this pull request Dec 18, 2025

chore: Mitigate user prefs lock (#10231)

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