Refactor RUM telemetry #9526

sarahchen6 · 2025-09-13T21:56:53Z

What Does This Do

Refactor RUM telemetry to send telemetry metrics via HTTP instead of StatsDClient UDP.

Motivation

We want metrics to appear in our org, not on the customer side. This PR fixes #9267. See the screenshot below for metrics seen from a test application:

Additional Notes

This was tested by creating an application here, named "Java Injector Test." From there, a sample app was spun up (instructions), and dd.instrumentation_telemetry_data.rum.injection.initialization.succeed and other metrics for integration_name:servlet were checked for on the Metrics Explorer page.

Contributor Checklist

Format the title according the contribution guidelines
Assign the type: and (comp: or inst:) labels in addition to any usefull 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: https://datadoghq.atlassian.net/browse/LANGPLAT-679

datadog-official · 2025-09-13T22:16:19Z

🎯 Code Coverage
• Patch Coverage: 94.74%
• Total Coverage: 60.17% (-0.01%)

View detailed report

_{This comment will be updated automatically if new data arrives.

🔗 Commit SHA: d5dc373 | Docs | Was this helpful? Give us feedback!}

pr-commenter · 2025-09-13T23:11:13Z

Benchmarks

Startup

Parameters

	Baseline	Candidate
baseline_or_candidate	baseline	candidate
git_branch	master	sarahchen6/refactor-rum-telemetry
git_commit_date	1758026554	1758030444
git_commit_sha	`9fc16bb`	`d5dc373`
release_version	1.54.0-SNAPSHOT~9fc16bb0e5	1.54.0-SNAPSHOT~d5dc373c1d

See matching parameters

	Baseline	Candidate
application	insecure-bank	insecure-bank
ci_job_date	1758032292	1758032292
ci_job_id	1131423105	1131423105
ci_pipeline_id	76611726	76611726
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-0-6zy52003 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-0-6zy52003 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 1 performance improvements and 0 performance regressions! Performance is the same for 49 metrics, 9 unstable metrics.

scenario	Δ mean execution_time	candidate mean execution_time	baseline mean execution_time
scenario:startup:insecure-bank:tracing:Remote Config	better [-31.018µs; -14.767µs] or [-4.436%; -2.112%]	676.303µs	699.195µs

Startup time reports for insecure-bank

gantt
    title insecure-bank - global startup overhead: candidate=1.54.0-SNAPSHOT~d5dc373c1d, baseline=1.54.0-SNAPSHOT~9fc16bb0e5

    dateFormat X
    axisFormat %s
section tracing
Agent [baseline] (1.063 s) : 0, 1063127
Total [baseline] (8.635 s) : 0, 8634819
Agent [candidate] (1.06 s) : 0, 1059841
Total [candidate] (8.603 s) : 0, 8603242
section iast
Agent [baseline] (1.196 s) : 0, 1196249
Total [baseline] (9.299 s) : 0, 9299310
Agent [candidate] (1.184 s) : 0, 1183868
Total [candidate] (9.289 s) : 0, 9289354

baseline results

Module	Variant	Duration	Δ tracing
Agent	tracing	1.063 s	-
Agent	iast	1.196 s	133.122 ms (12.5%)
Total	tracing	8.635 s	-
Total	iast	9.299 s	664.491 ms (7.7%)

candidate results

Module	Variant	Duration	Δ tracing
Agent	tracing	1.06 s	-
Agent	iast	1.184 s	124.027 ms (11.7%)
Total	tracing	8.603 s	-
Total	iast	9.289 s	686.112 ms (8.0%)

gantt
    title insecure-bank - break down per module: candidate=1.54.0-SNAPSHOT~d5dc373c1d, baseline=1.54.0-SNAPSHOT~9fc16bb0e5

    dateFormat X
    axisFormat %s
section tracing
crashtracking [baseline] (1.457 ms) : 0, 1457
crashtracking [candidate] (1.45 ms) : 0, 1450
BytebuddyAgent [baseline] (733.682 ms) : 0, 733682
BytebuddyAgent [candidate] (731.828 ms) : 0, 731828
GlobalTracer [baseline] (252.696 ms) : 0, 252696
GlobalTracer [candidate] (251.786 ms) : 0, 251786
AppSec [baseline] (30.77 ms) : 0, 30770
AppSec [candidate] (30.565 ms) : 0, 30565
Debugger [baseline] (6.425 ms) : 0, 6425
Debugger [candidate] (6.331 ms) : 0, 6331
Remote Config [baseline] (699.195 µs) : 0, 699
Remote Config [candidate] (676.303 µs) : 0, 676
Telemetry [baseline] (16.387 ms) : 0, 16387
Telemetry [candidate] (16.268 ms) : 0, 16268
section iast
crashtracking [baseline] (1.455 ms) : 0, 1455
crashtracking [candidate] (1.445 ms) : 0, 1445
BytebuddyAgent [baseline] (856.967 ms) : 0, 856967
BytebuddyAgent [candidate] (847.422 ms) : 0, 847422
GlobalTracer [baseline] (248.103 ms) : 0, 248103
GlobalTracer [candidate] (243.488 ms) : 0, 243488
IAST [baseline] (28.199 ms) : 0, 28199
IAST [candidate] (28.772 ms) : 0, 28772
AppSec [baseline] (25.644 ms) : 0, 25644
AppSec [candidate] (26.967 ms) : 0, 26967
Debugger [baseline] (6.064 ms) : 0, 6064
Debugger [candidate] (6.08 ms) : 0, 6080
Remote Config [baseline] (594.531 µs) : 0, 595
Remote Config [candidate] (610.714 µs) : 0, 611
Telemetry [baseline] (8.206 ms) : 0, 8206
Telemetry [candidate] (8.26 ms) : 0, 8260

Startup time reports for petclinic

gantt
    title petclinic - global startup overhead: candidate=1.54.0-SNAPSHOT~d5dc373c1d, baseline=1.54.0-SNAPSHOT~9fc16bb0e5

    dateFormat X
    axisFormat %s
section tracing
Agent [baseline] (1.061 s) : 0, 1061347
Total [baseline] (10.719 s) : 0, 10718870
Agent [candidate] (1.068 s) : 0, 1067531
Total [candidate] (10.734 s) : 0, 10733549
section appsec
Agent [baseline] (1.243 s) : 0, 1242556
Total [baseline] (11.165 s) : 0, 11165091
Agent [candidate] (1.236 s) : 0, 1236405
Total [candidate] (11.044 s) : 0, 11043810
section iast
Agent [baseline] (1.204 s) : 0, 1204244
Total [baseline] (11.114 s) : 0, 11113621
Agent [candidate] (1.2 s) : 0, 1200044
Total [candidate] (10.972 s) : 0, 10972244
section profiling
Agent [baseline] (1.216 s) : 0, 1216282
Total [baseline] (11.045 s) : 0, 11044767
Agent [candidate] (1.207 s) : 0, 1206998
Total [candidate] (10.878 s) : 0, 10877704

baseline results

Module	Variant	Duration	Δ tracing
Agent	tracing	1.061 s	-
Agent	appsec	1.243 s	181.209 ms (17.1%)
Agent	iast	1.204 s	142.897 ms (13.5%)
Agent	profiling	1.216 s	154.935 ms (14.6%)
Total	tracing	10.719 s	-
Total	appsec	11.165 s	446.221 ms (4.2%)
Total	iast	11.114 s	394.751 ms (3.7%)
Total	profiling	11.045 s	325.897 ms (3.0%)

candidate results

Module	Variant	Duration	Δ tracing
Agent	tracing	1.068 s	-
Agent	appsec	1.236 s	168.874 ms (15.8%)
Agent	iast	1.2 s	132.512 ms (12.4%)
Agent	profiling	1.207 s	139.466 ms (13.1%)
Total	tracing	10.734 s	-
Total	appsec	11.044 s	310.262 ms (2.9%)
Total	iast	10.972 s	238.695 ms (2.2%)
Total	profiling	10.878 s	144.156 ms (1.3%)

gantt
    title petclinic - break down per module: candidate=1.54.0-SNAPSHOT~d5dc373c1d, baseline=1.54.0-SNAPSHOT~9fc16bb0e5

    dateFormat X
    axisFormat %s
section tracing
crashtracking [baseline] (1.445 ms) : 0, 1445
crashtracking [candidate] (1.461 ms) : 0, 1461
BytebuddyAgent [baseline] (732.233 ms) : 0, 732233
BytebuddyAgent [candidate] (737.455 ms) : 0, 737455
GlobalTracer [baseline] (252.502 ms) : 0, 252502
GlobalTracer [candidate] (253.209 ms) : 0, 253209
AppSec [baseline] (30.594 ms) : 0, 30594
AppSec [candidate] (30.723 ms) : 0, 30723
Debugger [baseline] (6.397 ms) : 0, 6397
Debugger [candidate] (6.412 ms) : 0, 6412
Remote Config [baseline] (688.034 µs) : 0, 688
Remote Config [candidate] (698.456 µs) : 0, 698
Telemetry [baseline] (16.524 ms) : 0, 16524
Telemetry [candidate] (16.382 ms) : 0, 16382
section appsec
crashtracking [baseline] (1.467 ms) : 0, 1467
crashtracking [candidate] (1.457 ms) : 0, 1457
BytebuddyAgent [baseline] (761.141 ms) : 0, 761141
BytebuddyAgent [candidate] (757.394 ms) : 0, 757394
GlobalTracer [baseline] (246.816 ms) : 0, 246816
GlobalTracer [candidate] (246.073 ms) : 0, 246073
IAST [baseline] (24.081 ms) : 0, 24081
IAST [candidate] (23.802 ms) : 0, 23802
AppSec [baseline] (170.12 ms) : 0, 170120
AppSec [candidate] (171.468 ms) : 0, 171468
Debugger [baseline] (6.099 ms) : 0, 6099
Debugger [candidate] (5.977 ms) : 0, 5977
Remote Config [baseline] (640.48 µs) : 0, 640
Remote Config [candidate] (614.387 µs) : 0, 614
Telemetry [baseline] (10.878 ms) : 0, 10878
Telemetry [candidate] (8.357 ms) : 0, 8357
section iast
crashtracking [baseline] (1.47 ms) : 0, 1470
crashtracking [candidate] (1.461 ms) : 0, 1461
BytebuddyAgent [baseline] (863.693 ms) : 0, 863693
BytebuddyAgent [candidate] (860.041 ms) : 0, 860041
GlobalTracer [baseline] (245.625 ms) : 0, 245625
GlobalTracer [candidate] (247.017 ms) : 0, 247017
IAST [baseline] (29.085 ms) : 0, 29085
IAST [candidate] (28.885 ms) : 0, 28885
AppSec [baseline] (28.102 ms) : 0, 28102
AppSec [candidate] (26.497 ms) : 0, 26497
Debugger [baseline] (6.094 ms) : 0, 6094
Debugger [candidate] (6.14 ms) : 0, 6140
Remote Config [baseline] (606.51 µs) : 0, 607
Remote Config [candidate] (591.502 µs) : 0, 592
Telemetry [baseline] (8.37 ms) : 0, 8370
Telemetry [candidate] (8.312 ms) : 0, 8312
section profiling
crashtracking [baseline] (1.443 ms) : 0, 1443
crashtracking [candidate] (1.424 ms) : 0, 1424
BytebuddyAgent [baseline] (767.468 ms) : 0, 767468
BytebuddyAgent [candidate] (760.633 ms) : 0, 760633
GlobalTracer [baseline] (232.946 ms) : 0, 232946
GlobalTracer [candidate] (232.35 ms) : 0, 232350
AppSec [baseline] (30.37 ms) : 0, 30370
AppSec [candidate] (30.435 ms) : 0, 30435
Debugger [baseline] (11.322 ms) : 0, 11322
Debugger [candidate] (7.412 ms) : 0, 7412
Remote Config [baseline] (731.168 µs) : 0, 731
Remote Config [candidate] (705.786 µs) : 0, 706
Telemetry [baseline] (11.871 ms) : 0, 11871
Telemetry [candidate] (15.646 ms) : 0, 15646
ProfilingAgent [baseline] (108.745 ms) : 0, 108745
ProfilingAgent [candidate] (107.568 ms) : 0, 107568
Profiling [baseline] (109.402 ms) : 0, 109402
Profiling [candidate] (108.215 ms) : 0, 108215

Load

Parameters

	Baseline	Candidate
baseline_or_candidate	baseline	candidate
git_branch	master	sarahchen6/refactor-rum-telemetry
git_commit_date	1758026554	1758030444
git_commit_sha	`9fc16bb`	`d5dc373`
release_version	1.54.0-SNAPSHOT~9fc16bb0e5	1.54.0-SNAPSHOT~d5dc373c1d

See matching parameters

	Baseline	Candidate
application	insecure-bank	insecure-bank
ci_job_date	1758031883	1758031883
ci_job_id	1131423106	1131423106
ci_pipeline_id	76611726	76611726
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-n2ny10h5 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-n2ny10h5 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 2 performance regressions! Performance is the same for 10 metrics, 12 unstable metrics.

scenario	Δ mean http_req_duration	Δ mean throughput	candidate mean http_req_duration	candidate mean throughput	baseline mean http_req_duration	baseline mean throughput
scenario:load:petclinic:no_agent:high_load	worse [+1.121ms; +1.756ms] or [+3.138%; +4.916%]	unstable [-13.841op/s; +3.791op/s] or [-10.581%; +2.898%]	37.172ms	125.787op/s	35.733ms	130.812op/s
scenario:load:petclinic:iast:high_load	worse [+2.776ms; +3.626ms] or [+6.398%; +8.358%]	unstable [-14.980op/s; +0.130op/s] or [-13.893%; +0.121%]	46.589ms	100.400op/s	43.388ms	107.825op/s

Request duration reports for petclinic

gantt
    title petclinic - request duration [CI 0.99] : candidate=1.54.0-SNAPSHOT~d5dc373c1d, baseline=1.54.0-SNAPSHOT~9fc16bb0e5
    dateFormat X
    axisFormat %s
section baseline
no_agent (35.733 ms) : 35448, 36018
.   : milestone, 35733,
appsec (47.709 ms) : 47297, 48121
.   : milestone, 47709,
code_origins (45.891 ms) : 45490, 46291
.   : milestone, 45891,
iast (43.388 ms) : 43008, 43768
.   : milestone, 43388,
profiling (49.196 ms) : 48664, 49727
.   : milestone, 49196,
tracing (45.887 ms) : 45497, 46277
.   : milestone, 45887,
section candidate
no_agent (37.172 ms) : 36867, 37477
.   : milestone, 37172,
appsec (47.63 ms) : 47205, 48055
.   : milestone, 47630,
code_origins (44.848 ms) : 44460, 45236
.   : milestone, 44848,
iast (46.589 ms) : 46179, 46999
.   : milestone, 46589,
profiling (50.126 ms) : 49637, 50615
.   : milestone, 50126,
tracing (45.666 ms) : 45285, 46048
.   : milestone, 45666,

baseline results

Variant	Request duration [CI 0.99]	Δ no_agent
no_agent	35.733 ms [35.448 ms, 36.018 ms]	-
appsec	47.709 ms [47.297 ms, 48.121 ms]	11.976 ms (33.5%)
code_origins	45.891 ms [45.49 ms, 46.291 ms]	10.157 ms (28.4%)
iast	43.388 ms [43.008 ms, 43.768 ms]	7.655 ms (21.4%)
profiling	49.196 ms [48.664 ms, 49.727 ms]	13.462 ms (37.7%)
tracing	45.887 ms [45.497 ms, 46.277 ms]	10.154 ms (28.4%)

candidate results

Variant	Request duration [CI 0.99]	Δ no_agent
no_agent	37.172 ms [36.867 ms, 37.477 ms]	-
appsec	47.63 ms [47.205 ms, 48.055 ms]	10.458 ms (28.1%)
code_origins	44.848 ms [44.46 ms, 45.236 ms]	7.676 ms (20.7%)
iast	46.589 ms [46.179 ms, 46.999 ms]	9.417 ms (25.3%)
profiling	50.126 ms [49.637 ms, 50.615 ms]	12.954 ms (34.8%)
tracing	45.666 ms [45.285 ms, 46.048 ms]	8.494 ms (22.9%)

Request duration reports for insecure-bank

gantt
    title insecure-bank - request duration [CI 0.99] : candidate=1.54.0-SNAPSHOT~d5dc373c1d, baseline=1.54.0-SNAPSHOT~9fc16bb0e5
    dateFormat X
    axisFormat %s
section baseline
no_agent (4.39 ms) : 4340, 4440
.   : milestone, 4390,
iast (9.715 ms) : 9555, 9875
.   : milestone, 9715,
iast_FULL (14.105 ms) : 13828, 14382
.   : milestone, 14105,
iast_GLOBAL (10.584 ms) : 10398, 10769
.   : milestone, 10584,
profiling (8.902 ms) : 8753, 9050
.   : milestone, 8902,
tracing (7.596 ms) : 7487, 7706
.   : milestone, 7596,
section candidate
no_agent (4.426 ms) : 4371, 4480
.   : milestone, 4426,
iast (9.489 ms) : 9322, 9656
.   : milestone, 9489,
iast_FULL (13.998 ms) : 13720, 14277
.   : milestone, 13998,
iast_GLOBAL (10.754 ms) : 10563, 10945
.   : milestone, 10754,
profiling (9.08 ms) : 8924, 9237
.   : milestone, 9080,
tracing (7.661 ms) : 7553, 7770
.   : milestone, 7661,

baseline results

Variant	Request duration [CI 0.99]	Δ no_agent
no_agent	4.39 ms [4.34 ms, 4.44 ms]	-
iast	9.715 ms [9.555 ms, 9.875 ms]	5.325 ms (121.3%)
iast_FULL	14.105 ms [13.828 ms, 14.382 ms]	9.715 ms (221.3%)
iast_GLOBAL	10.584 ms [10.398 ms, 10.769 ms]	6.194 ms (141.1%)
profiling	8.902 ms [8.753 ms, 9.05 ms]	4.512 ms (102.8%)
tracing	7.596 ms [7.487 ms, 7.706 ms]	3.206 ms (73.0%)

candidate results

Variant	Request duration [CI 0.99]	Δ no_agent
no_agent	4.426 ms [4.371 ms, 4.48 ms]	-
iast	9.489 ms [9.322 ms, 9.656 ms]	5.063 ms (114.4%)
iast_FULL	13.998 ms [13.72 ms, 14.277 ms]	9.573 ms (216.3%)
iast_GLOBAL	10.754 ms [10.563 ms, 10.945 ms]	6.328 ms (143.0%)
profiling	9.08 ms [8.924 ms, 9.237 ms]	4.654 ms (105.2%)
tracing	7.661 ms [7.553 ms, 7.77 ms]	3.236 ms (73.1%)

Dacapo

Parameters

	Baseline	Candidate
baseline_or_candidate	baseline	candidate
git_branch	master	sarahchen6/refactor-rum-telemetry
git_commit_date	1758026554	1758030444
git_commit_sha	`9fc16bb`	`d5dc373`
release_version	1.54.0-SNAPSHOT~9fc16bb0e5	1.54.0-SNAPSHOT~d5dc373c1d

See matching parameters

	Baseline	Candidate
application	biojava	biojava
ci_job_date	1758032413	1758032413
ci_job_id	1131423107	1131423107
ci_pipeline_id	76611726	76611726
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-bz04brgh 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-bz04brgh 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=1.54.0-SNAPSHOT~d5dc373c1d, baseline=1.54.0-SNAPSHOT~9fc16bb0e5
    dateFormat X
    axisFormat %s
section baseline
no_agent (15.514 s) : 15514000, 15514000
.   : milestone, 15514000,
appsec (14.667 s) : 14667000, 14667000
.   : milestone, 14667000,
iast (18.245 s) : 18245000, 18245000
.   : milestone, 18245000,
iast_GLOBAL (17.936 s) : 17936000, 17936000
.   : milestone, 17936000,
profiling (15.567 s) : 15567000, 15567000
.   : milestone, 15567000,
tracing (15.208 s) : 15208000, 15208000
.   : milestone, 15208000,
section candidate
no_agent (15.352 s) : 15352000, 15352000
.   : milestone, 15352000,
appsec (14.859 s) : 14859000, 14859000
.   : milestone, 14859000,
iast (18.468 s) : 18468000, 18468000
.   : milestone, 18468000,
iast_GLOBAL (18.117 s) : 18117000, 18117000
.   : milestone, 18117000,
profiling (15.62 s) : 15620000, 15620000
.   : milestone, 15620000,
tracing (15.247 s) : 15247000, 15247000
.   : milestone, 15247000,

baseline results

Variant	Execution Time [CI 0.99]	Δ no_agent
no_agent	15.514 s [15.514 s, 15.514 s]	-
appsec	14.667 s [14.667 s, 14.667 s]	-847.0 ms (-5.5%)
iast	18.245 s [18.245 s, 18.245 s]	2.731 s (17.6%)
iast_GLOBAL	17.936 s [17.936 s, 17.936 s]	2.422 s (15.6%)
profiling	15.567 s [15.567 s, 15.567 s]	53.0 ms (0.3%)
tracing	15.208 s [15.208 s, 15.208 s]	-306.0 ms (-2.0%)

candidate results

Variant	Execution Time [CI 0.99]	Δ no_agent
no_agent	15.352 s [15.352 s, 15.352 s]	-
appsec	14.859 s [14.859 s, 14.859 s]	-493.0 ms (-3.2%)
iast	18.468 s [18.468 s, 18.468 s]	3.116 s (20.3%)
iast_GLOBAL	18.117 s [18.117 s, 18.117 s]	2.765 s (18.0%)
profiling	15.62 s [15.62 s, 15.62 s]	268.0 ms (1.7%)
tracing	15.247 s [15.247 s, 15.247 s]	-105.0 ms (-0.7%)

Execution time for tomcat

gantt
    title tomcat - execution time [CI 0.99] : candidate=1.54.0-SNAPSHOT~d5dc373c1d, baseline=1.54.0-SNAPSHOT~9fc16bb0e5
    dateFormat X
    axisFormat %s
section baseline
no_agent (1.484 ms) : 1472, 1495
.   : milestone, 1484,
appsec (3.737 ms) : 3519, 3955
.   : milestone, 3737,
iast (2.202 ms) : 2139, 2265
.   : milestone, 2202,
iast_GLOBAL (2.243 ms) : 2180, 2306
.   : milestone, 2243,
profiling (2.051 ms) : 2000, 2102
.   : milestone, 2051,
tracing (2.038 ms) : 1989, 2088
.   : milestone, 2038,
section candidate
no_agent (1.48 ms) : 1469, 1492
.   : milestone, 1480,
appsec (3.712 ms) : 3495, 3930
.   : milestone, 3712,
iast (2.208 ms) : 2145, 2271
.   : milestone, 2208,
iast_GLOBAL (2.251 ms) : 2188, 2315
.   : milestone, 2251,
profiling (2.053 ms) : 2002, 2104
.   : milestone, 2053,
tracing (2.028 ms) : 1979, 2077
.   : milestone, 2028,

baseline results

Variant	Execution Time [CI 0.99]	Δ no_agent
no_agent	1.484 ms [1.472 ms, 1.495 ms]	-
appsec	3.737 ms [3.519 ms, 3.955 ms]	2.253 ms (151.9%)
iast	2.202 ms [2.139 ms, 2.265 ms]	718.137 µs (48.4%)
iast_GLOBAL	2.243 ms [2.18 ms, 2.306 ms]	759.524 µs (51.2%)
profiling	2.051 ms [2.0 ms, 2.102 ms]	567.132 µs (38.2%)
tracing	2.038 ms [1.989 ms, 2.088 ms]	554.736 µs (37.4%)

candidate results

Variant	Execution Time [CI 0.99]	Δ no_agent
no_agent	1.48 ms [1.469 ms, 1.492 ms]	-
appsec	3.712 ms [3.495 ms, 3.93 ms]	2.232 ms (150.8%)
iast	2.208 ms [2.145 ms, 2.271 ms]	728.24 µs (49.2%)
iast_GLOBAL	2.251 ms [2.188 ms, 2.315 ms]	771.191 µs (52.1%)
profiling	2.053 ms [2.002 ms, 2.104 ms]	572.955 µs (38.7%)
tracing	2.028 ms [1.979 ms, 2.077 ms]	548.112 µs (37.0%)

amarziali

Thanks for having refactored the rum telemetry now pointing to the right set of metrics. The changes looks good. I left some items I'd like to clarify

internal-api/src/main/java/datadog/trace/api/rum/RumInjector.java

internal-api/src/main/java/datadog/trace/api/rum/RumInjectorMetrics.java

telemetry/src/main/java/datadog/telemetry/TelemetrySystem.java

telemetry/src/main/java/datadog/telemetry/rum/RumPeriodicAction.java

dd-trace-core/src/main/java/datadog/trace/core/CoreTracer.java

PerfectSlayer

Left few comments

🎯 suggestion: ‏Now the development is coming to an end, can you add all the RUM related code to the CODEOWNER files? That includes rum folder from internal module (both test and code) and telemetry files (both code and test too). Thanks!

internal-api/src/main/java/datadog/trace/api/rum/RumInjector.java

internal-api/src/main/java/datadog/trace/api/rum/RumInjectorMetrics.java

sarahchen6 · 2025-09-15T18:19:15Z

🎯 suggestion: ‏Now the development is coming to an end, can you add all the RUM related code to the CODEOWNER files? That includes rum folder from internal module (both test and code) and telemetry files (both code and test too). Thanks!

Sounds good. I saw that /telemetry/ is already under LP, so I added the internal-api rum code + tests there as well. I know official ownership for RUM is still un-confirmed / not under LP, so let me know if I should place these elsewhere.

.github/CODEOWNERS

PerfectSlayer

👏 praise: ‏Thanks for the telemetry fixes and follow up changes!

Sounds good. I saw that /telemetry/ is already under LP, so I added the internal-api rum code + tests there as well. I know official ownership for RUM is still un-confirmed / not under LP, so let me know if I should place these elsewhere.

I was thinking to assign those parts to the @DataDog/rum team 😅 Sorry for not being explicit enough in the first place.

sarahchen6 added 5 commits September 13, 2025 17:54

Update RumInjector and Metrics

1fa21b9

Add RUM periodic action

c10c7fd

Add testing

8e3b2f9

Remove print line

ccb454f

Clean up naming

6edbda0

Set common metric to true

a196250

sarahchen6 added type: refactoring comp: telemetry Telemetry comp: rum Realtime User Monitoring labels Sep 13, 2025

sarahchen6 added type: bug Bug report and fix and removed type: refactoring labels Sep 13, 2025

Remove summary method

2faf01a

sarahchen6 marked this pull request as ready for review September 14, 2025 00:17

sarahchen6 requested review from a team as code owners September 14, 2025 00:17

sarahchen6 requested review from PerfectSlayer and amarziali and removed request for a team September 14, 2025 00:17

amarziali reviewed Sep 15, 2025

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PerfectSlayer reviewed Sep 15, 2025

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sarahchen6 added 2 commits September 15, 2025 13:24

Address review comments

89ee129

Add RUM to codeowners

236a268

sarahchen6 added 2 commits September 15, 2025 15:29

Add to RumTelemetryCollectorTest

b851049

Merge branch 'master' into sarahchen6/refactor-rum-telemetry

6990aad

sarahchen6 requested review from PerfectSlayer and amarziali September 15, 2025 21:33

amarziali reviewed Sep 16, 2025

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.github/CODEOWNERS Show resolved Hide resolved

amarziali approved these changes Sep 16, 2025

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PerfectSlayer approved these changes Sep 16, 2025

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PerfectSlayer removed the comp: telemetry Telemetry label Sep 16, 2025

sarahchen6 added 5 commits September 16, 2025 09:20

Reassign codeowners

2ef2356

Capitalize RUM team

6549903

Undo capitalization

d492940

Clean extra variables

9702817

Merge branch 'master' into sarahchen6/refactor-rum-telemetry

d5dc373

sarahchen6 merged commit 3039978 into master Sep 16, 2025
673 of 674 checks passed

sarahchen6 deleted the sarahchen6/refactor-rum-telemetry branch September 16, 2025 14:54

github-actions bot added this to the 1.54.0 milestone Sep 16, 2025

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Refactor RUM telemetry #9526

Refactor RUM telemetry #9526

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Refactor RUM telemetry #9526

Refactor RUM telemetry #9526

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What Does This Do

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