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Add Kafka cluster ID and offset tags to producer/consumer spans#11107

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piochelepiotr wants to merge 2 commits intomasterfrom
pwolski/kafka-span-link-tags
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Add Kafka cluster ID and offset tags to producer/consumer spans#11107
piochelepiotr wants to merge 2 commits intomasterfrom
pwolski/kafka-span-link-tags

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@piochelepiotr piochelepiotr commented Apr 13, 2026 •
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Summary

  • Add messaging.kafka.cluster.id tag to both producer and consumer Kafka spans, always (not gated on Data Streams)
  • Add broker-assigned partition and offset tags to producer spans via the async callback (using RecordMetadata)
  • Consumer spans already had partition and offset; no change there
  • Remove isDataStreamsEnabled() guard from extractClusterId() in KafkaConsumerInstrumentationHelper (both 0.11 and 3.8 modules)
  • Always initialize MetadataState in ProducerConstructorAdvice so cluster ID is available at produce time regardless of DSM config

These tags enable linking a trace span directly to a specific Kafka message (cluster + topic + partition + offset).

Notes

  • Producer offset is only set when a callback is used (it's a broker-assigned value returned asynchronously); fire-and-forget usage via Future will not have the offset tag
  • Both kafka-clients-0.11 and kafka-clients-3.8 modules updated in parallel

Test plan

Used a test application to verify the tags were present on the spans.

tag: no release note
tag: ai generated

🤖 Generated with Claude Code

@piochelepiotr @claude
Add Kafka cluster ID, topic, consumer group, and offset tags to spans
f2a32a7 
Tag producer spans with messaging.kafka.cluster.id, topic, and
broker-assigned partition/offset (via callback). Tag consumer spans with
messaging.kafka.cluster.id, topic, consumer group, and offset. These tags
enable linking from a span directly to a specific Kafka message.

Previously the cluster ID was only extracted when Data Streams was enabled;
MetadataState is now always initialized on the producer so cluster ID flows
through regardless of DSM configuration.

tag: ai generated

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Kafka / producer-benchmark

Parameters

Baseline Candidate
baseline_or_candidate baseline candidate
git_branch master pwolski/kafka-span-link-tags
git_commit_date 1776110723 1776283711
git_commit_sha 9f89a0b 2e8c459
See matching parameters
Baseline Candidate
ci_job_date 1776284771 1776284771
ci_job_id 1599337927 1599337927
ci_pipeline_id 107894063 107894063
cpu_model Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz
jdkVersion 11.0.25 11.0.25
jmhVersion 1.36 1.36
jvm /usr/lib/jvm/java-11-openjdk-amd64/bin/java /usr/lib/jvm/java-11-openjdk-amd64/bin/java
jvmArgs -Dfile.encoding=UTF-8 -Djava.io.tmpdir=/go/src/github.com/DataDog/apm-reliability/dd-trace-java/platform/src/producer-benchmark/build/tmp/jmh -Duser.country=US -Duser.language=en -Duser.variant -Dfile.encoding=UTF-8 -Djava.io.tmpdir=/go/src/github.com/DataDog/apm-reliability/dd-trace-java/platform/src/producer-benchmark/build/tmp/jmh -Duser.country=US -Duser.language=en -Duser.variant
vmName OpenJDK 64-Bit Server VM OpenJDK 64-Bit Server VM
vmVersion 11.0.25+9-post-Ubuntu-1ubuntu122.04 11.0.25+9-post-Ubuntu-1ubuntu122.04

Summary

Found 0 performance improvements and 0 performance regressions! Performance is the same for 3 metrics, 0 unstable metrics.

See unchanged results
scenario Δ mean throughput
scenario:not-instrumented/KafkaProduceBenchmark.benchProduce same
scenario:only-tracing-dsm-disabled-benchmarks/KafkaProduceBenchmark.benchProduce same
scenario:only-tracing-dsm-enabled-benchmarks/KafkaProduceBenchmark.benchProduce same

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Benchmarks

Startup

Parameters

Baseline Candidate
baseline_or_candidate baseline candidate
git_branch master pwolski/kafka-span-link-tags
git_commit_date 1776284201 1776283711
git_commit_sha f89a0b26cc 2e8c459
release_version 1.62.0-SNAPSHOT~9f89a0b26cc 1.62.0-SNAPSHOT~2e8c45924b
See matching parameters
Baseline Candidate
application insecure-bank insecure-bank
ci_job_date 1776285382 1776285382
ci_job_id 1599337917 1599337917
ci_pipeline_id 107894063 107894063
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-yijb59ao 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-yijb59ao 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 63 metrics, 8 unstable metrics.

Startup time reports for insecure-bank 
gantt
    title insecure-bank - global startup overhead: candidate=1.62.0-SNAPSHOT~2e8c45924b, baseline=1.62.0-SNAPSHOT~9f89a0b26cc

    dateFormat X
    axisFormat %s
section tracing
Agent [baseline] (1.061 s) : 0, 1061323
Total [baseline] (8.846 s) : 0, 8846366
Agent [candidate] (1.057 s) : 0, 1056540
Total [candidate] (8.889 s) : 0, 8889361
section iast
Agent [baseline] (1.23 s) : 0, 1229806
Total [baseline] (9.562 s) : 0, 9562335
Agent [candidate] (1.22 s) : 0, 1219960
Total [candidate] (9.544 s) : 0, 9544269
Loading
  • baseline results
Module Variant Duration Δ tracing
Agent tracing 1.061 s -
Agent iast 1.23 s 168.482 ms (15.9%)
Total tracing 8.846 s -
Total iast 9.562 s 715.97 ms (8.1%)
  • candidate results
Module Variant Duration Δ tracing
Agent tracing 1.057 s -
Agent iast 1.22 s 163.42 ms (15.5%)
Total tracing 8.889 s -
Total iast 9.544 s 654.909 ms (7.4%) 
gantt
    title insecure-bank - break down per module: candidate=1.62.0-SNAPSHOT~2e8c45924b, baseline=1.62.0-SNAPSHOT~9f89a0b26cc

    dateFormat X
    axisFormat %s
section tracing
crashtracking [baseline] (1.23 ms) : 0, 1230
crashtracking [candidate] (1.222 ms) : 0, 1222
BytebuddyAgent [baseline] (635.486 ms) : 0, 635486
BytebuddyAgent [candidate] (632.381 ms) : 0, 632381
AgentMeter [baseline] (29.644 ms) : 0, 29644
AgentMeter [candidate] (29.522 ms) : 0, 29522
GlobalTracer [baseline] (249.5 ms) : 0, 249500
GlobalTracer [candidate] (250.247 ms) : 0, 250247
AppSec [baseline] (32.135 ms) : 0, 32135
AppSec [candidate] (32.213 ms) : 0, 32213
Debugger [baseline] (59.417 ms) : 0, 59417
Debugger [candidate] (59.499 ms) : 0, 59499
Remote Config [baseline] (596.816 µs) : 0, 597
Remote Config [candidate] (599.968 µs) : 0, 600
Telemetry [baseline] (8.072 ms) : 0, 8072
Telemetry [candidate] (8.087 ms) : 0, 8087
Flare Poller [baseline] (8.877 ms) : 0, 8877
Flare Poller [candidate] (6.591 ms) : 0, 6591
section iast
crashtracking [baseline] (1.254 ms) : 0, 1254
crashtracking [candidate] (1.232 ms) : 0, 1232
BytebuddyAgent [baseline] (805.879 ms) : 0, 805879
BytebuddyAgent [candidate] (798.612 ms) : 0, 798612
AgentMeter [baseline] (11.594 ms) : 0, 11594
AgentMeter [candidate] (11.342 ms) : 0, 11342
GlobalTracer [baseline] (239.926 ms) : 0, 239926
GlobalTracer [candidate] (238.267 ms) : 0, 238267
IAST [baseline] (26.018 ms) : 0, 26018
IAST [candidate] (26.633 ms) : 0, 26633
AppSec [baseline] (32.525 ms) : 0, 32525
AppSec [candidate] (31.145 ms) : 0, 31145
Debugger [baseline] (58.801 ms) : 0, 58801
Debugger [candidate] (58.525 ms) : 0, 58525
Remote Config [baseline] (543.211 µs) : 0, 543
Remote Config [candidate] (1.145 ms) : 0, 1145
Telemetry [baseline] (13.074 ms) : 0, 13074
Telemetry [candidate] (13.345 ms) : 0, 13345
Flare Poller [baseline] (3.472 ms) : 0, 3472
Flare Poller [candidate] (3.443 ms) : 0, 3443
Loading
Startup time reports for petclinic 
gantt
    title petclinic - global startup overhead: candidate=1.62.0-SNAPSHOT~2e8c45924b, baseline=1.62.0-SNAPSHOT~9f89a0b26cc

    dateFormat X
    axisFormat %s
section tracing
Agent [baseline] (1.054 s) : 0, 1053785
Total [baseline] (11.048 s) : 0, 11048395
Agent [candidate] (1.056 s) : 0, 1056047
Total [candidate] (11.008 s) : 0, 11008450
section appsec
Agent [baseline] (1.246 s) : 0, 1245795
Total [baseline] (11.081 s) : 0, 11080665
Agent [candidate] (1.264 s) : 0, 1264014
Total [candidate] (11.15 s) : 0, 11149725
section iast
Agent [baseline] (1.23 s) : 0, 1230097
Total [baseline] (11.232 s) : 0, 11231710
Agent [candidate] (1.221 s) : 0, 1220636
Total [candidate] (4.518 s) : 0, 4517665
section profiling
Agent [baseline] (1.196 s) : 0, 1195912
Total [baseline] (11.161 s) : 0, 11161186
Agent [candidate] (1.183 s) : 0, 1182578
Total [candidate] (11.049 s) : 0, 11048816
Loading
  • baseline results
Module Variant Duration Δ tracing
Agent tracing 1.054 s -
Agent appsec 1.246 s 192.01 ms (18.2%)
Agent iast 1.23 s 176.312 ms (16.7%)
Agent profiling 1.196 s 142.127 ms (13.5%)
Total tracing 11.048 s -
Total appsec 11.081 s 32.27 ms (0.3%)
Total iast 11.232 s 183.315 ms (1.7%)
Total profiling 11.161 s 112.79 ms (1.0%)
  • candidate results
Module Variant Duration Δ tracing
Agent tracing 1.056 s -
Agent appsec 1.264 s 207.968 ms (19.7%)
Agent iast 1.221 s 164.59 ms (15.6%)
Agent profiling 1.183 s 126.532 ms (12.0%)
Total tracing 11.008 s -
Total appsec 11.15 s 141.275 ms (1.3%)
Total iast 4.518 s -6.491 s (-59.0%)
Total profiling 11.049 s 40.366 ms (0.4%) 
gantt
    title petclinic - break down per module: candidate=1.62.0-SNAPSHOT~2e8c45924b, baseline=1.62.0-SNAPSHOT~9f89a0b26cc

    dateFormat X
    axisFormat %s
section tracing
crashtracking [baseline] (1.231 ms) : 0, 1231
crashtracking [candidate] (1.218 ms) : 0, 1218
BytebuddyAgent [baseline] (632.642 ms) : 0, 632642
BytebuddyAgent [candidate] (631.398 ms) : 0, 631398
AgentMeter [baseline] (29.322 ms) : 0, 29322
AgentMeter [candidate] (29.408 ms) : 0, 29408
GlobalTracer [baseline] (248.447 ms) : 0, 248447
GlobalTracer [candidate] (249.012 ms) : 0, 249012
AppSec [baseline] (32.064 ms) : 0, 32064
AppSec [candidate] (32.386 ms) : 0, 32386
Debugger [baseline] (60.107 ms) : 0, 60107
Debugger [candidate] (60.326 ms) : 0, 60326
Remote Config [baseline] (599.044 µs) : 0, 599
Remote Config [candidate] (595.267 µs) : 0, 595
Telemetry [baseline] (8.1 ms) : 0, 8100
Telemetry [candidate] (8.101 ms) : 0, 8101
Flare Poller [baseline] (5.133 ms) : 0, 5133
Flare Poller [candidate] (7.478 ms) : 0, 7478
section appsec
crashtracking [baseline] (1.234 ms) : 0, 1234
crashtracking [candidate] (1.255 ms) : 0, 1255
BytebuddyAgent [baseline] (659.575 ms) : 0, 659575
BytebuddyAgent [candidate] (674.207 ms) : 0, 674207
AgentMeter [baseline] (11.994 ms) : 0, 11994
AgentMeter [candidate] (12.247 ms) : 0, 12247
GlobalTracer [baseline] (247.954 ms) : 0, 247954
GlobalTracer [candidate] (250.271 ms) : 0, 250271
IAST [baseline] (24.639 ms) : 0, 24639
IAST [candidate] (24.665 ms) : 0, 24665
AppSec [baseline] (185.14 ms) : 0, 185140
AppSec [candidate] (185.34 ms) : 0, 185340
Debugger [baseline] (66.131 ms) : 0, 66131
Debugger [candidate] (66.26 ms) : 0, 66260
Remote Config [baseline] (608.232 µs) : 0, 608
Remote Config [candidate] (613.49 µs) : 0, 613
Telemetry [baseline] (8.589 ms) : 0, 8589
Telemetry [candidate] (8.749 ms) : 0, 8749
Flare Poller [baseline] (3.591 ms) : 0, 3591
Flare Poller [candidate] (3.636 ms) : 0, 3636
section iast
crashtracking [baseline] (1.23 ms) : 0, 1230
crashtracking [candidate] (1.208 ms) : 0, 1208
BytebuddyAgent [baseline] (805.092 ms) : 0, 805092
BytebuddyAgent [candidate] (800.29 ms) : 0, 800290
AgentMeter [baseline] (11.61 ms) : 0, 11610
AgentMeter [candidate] (11.353 ms) : 0, 11353
GlobalTracer [baseline] (240.097 ms) : 0, 240097
GlobalTracer [candidate] (238.458 ms) : 0, 238458
IAST [baseline] (25.986 ms) : 0, 25986
IAST [candidate] (25.626 ms) : 0, 25626
AppSec [baseline] (31.074 ms) : 0, 31074
AppSec [candidate] (33.654 ms) : 0, 33654
Debugger [baseline] (61.748 ms) : 0, 61748
Debugger [candidate] (54.923 ms) : 0, 54923
Remote Config [baseline] (538.721 µs) : 0, 539
Remote Config [candidate] (504.535 µs) : 0, 505
Telemetry [baseline] (12.665 ms) : 0, 12665
Telemetry [candidate] (13.607 ms) : 0, 13607
Flare Poller [baseline] (3.447 ms) : 0, 3447
Flare Poller [candidate] (3.409 ms) : 0, 3409
section profiling
crashtracking [baseline] (1.197 ms) : 0, 1197
crashtracking [candidate] (1.182 ms) : 0, 1182
BytebuddyAgent [baseline] (697.067 ms) : 0, 697067
BytebuddyAgent [candidate] (690.711 ms) : 0, 690711
AgentMeter [baseline] (9.19 ms) : 0, 9190
AgentMeter [candidate] (9.108 ms) : 0, 9108
GlobalTracer [baseline] (209.208 ms) : 0, 209208
GlobalTracer [candidate] (207.063 ms) : 0, 207063
AppSec [baseline] (32.954 ms) : 0, 32954
AppSec [candidate] (32.445 ms) : 0, 32445
Debugger [baseline] (66.518 ms) : 0, 66518
Debugger [candidate] (65.241 ms) : 0, 65241
Remote Config [baseline] (584.774 µs) : 0, 585
Remote Config [candidate] (566.908 µs) : 0, 567
Telemetry [baseline] (7.907 ms) : 0, 7907
Telemetry [candidate] (7.839 ms) : 0, 7839
Flare Poller [baseline] (3.604 ms) : 0, 3604
Flare Poller [candidate] (3.629 ms) : 0, 3629
ProfilingAgent [baseline] (95.926 ms) : 0, 95926
ProfilingAgent [candidate] (93.627 ms) : 0, 93627
Profiling [baseline] (96.53 ms) : 0, 96530
Profiling [candidate] (94.183 ms) : 0, 94183
Loading

Load

Parameters

Baseline Candidate
baseline_or_candidate baseline candidate
git_branch master pwolski/kafka-span-link-tags
git_commit_date 1776284305 1776283711
git_commit_sha f89a0b26cc 2e8c459
release_version 1.62.0-SNAPSHOT~9f89a0b26cc 1.62.0-SNAPSHOT~2e8c45924b
See matching parameters
Baseline Candidate
application insecure-bank insecure-bank
ci_job_date 1776286076 1776286076
ci_job_id 1599337921 1599337921
ci_pipeline_id 107894063 107894063
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-2-rewvc5ii 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-2-rewvc5ii 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 1 performance improvements and 0 performance regressions! Performance is the same for 20 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:petclinic:no_agent:high_load better
[-1.928ms; -0.474ms] or [-10.131%; -2.492%]		 same
[-2.615ms; +0.293ms] or [-8.403%; +0.941%]		 unstable
[-10.111op/s; +38.736op/s] or [-4.190%; +16.050%]		 17.826ms 29.962ms 255.656op/s 19.027ms 31.123ms 241.344op/s
Request duration reports for petclinic 
gantt
    title petclinic - request duration [CI 0.99] : candidate=1.62.0-SNAPSHOT~2e8c45924b, baseline=1.62.0-SNAPSHOT~9f89a0b26cc
    dateFormat X
    axisFormat %s
section baseline
no_agent (19.341 ms) : 19148, 19533
.   : milestone, 19341,
appsec (18.752 ms) : 18561, 18944
.   : milestone, 18752,
code_origins (17.742 ms) : 17565, 17920
.   : milestone, 17742,
iast (17.839 ms) : 17667, 18012
.   : milestone, 17839,
profiling (18.341 ms) : 18160, 18522
.   : milestone, 18341,
tracing (17.951 ms) : 17772, 18130
.   : milestone, 17951,
section candidate
no_agent (18.255 ms) : 18067, 18442
.   : milestone, 18255,
appsec (18.742 ms) : 18550, 18934
.   : milestone, 18742,
code_origins (18.014 ms) : 17832, 18197
.   : milestone, 18014,
iast (17.938 ms) : 17758, 18118
.   : milestone, 17938,
profiling (18.429 ms) : 18248, 18611
.   : milestone, 18429,
tracing (17.747 ms) : 17572, 17921
.   : milestone, 17747,
Loading
  • baseline results
Variant Request duration [CI 0.99] Δ no_agent
no_agent 19.341 ms [19.148 ms, 19.533 ms] -
appsec 18.752 ms [18.561 ms, 18.944 ms] -588.108 µs (-3.0%)
code_origins 17.742 ms [17.565 ms, 17.92 ms] -1.598 ms (-8.3%)
iast 17.839 ms [17.667 ms, 18.012 ms] -1.501 ms (-7.8%)
profiling 18.341 ms [18.16 ms, 18.522 ms] -999.484 µs (-5.2%)
tracing 17.951 ms [17.772 ms, 18.13 ms] -1.389 ms (-7.2%)
  • candidate results
Variant Request duration [CI 0.99] Δ no_agent
no_agent 18.255 ms [18.067 ms, 18.442 ms] -
appsec 18.742 ms [18.55 ms, 18.934 ms] 487.484 µs (2.7%)
code_origins 18.014 ms [17.832 ms, 18.197 ms] -240.524 µs (-1.3%)
iast 17.938 ms [17.758 ms, 18.118 ms] -316.861 µs (-1.7%)
profiling 18.429 ms [18.248 ms, 18.611 ms] 174.532 µs (1.0%)
tracing 17.747 ms [17.572 ms, 17.921 ms] -507.935 µs (-2.8%)
Request duration reports for insecure-bank 
gantt
    title insecure-bank - request duration [CI 0.99] : candidate=1.62.0-SNAPSHOT~2e8c45924b, baseline=1.62.0-SNAPSHOT~9f89a0b26cc
    dateFormat X
    axisFormat %s
section baseline
no_agent (1.245 ms) : 1233, 1257
.   : milestone, 1245,
iast (3.314 ms) : 3271, 3358
.   : milestone, 3314,
iast_FULL (6.067 ms) : 6005, 6129
.   : milestone, 6067,
iast_GLOBAL (3.599 ms) : 3547, 3652
.   : milestone, 3599,
profiling (2.407 ms) : 2383, 2431
.   : milestone, 2407,
tracing (1.911 ms) : 1895, 1927
.   : milestone, 1911,
section candidate
no_agent (1.247 ms) : 1235, 1259
.   : milestone, 1247,
iast (3.365 ms) : 3314, 3416
.   : milestone, 3365,
iast_FULL (5.994 ms) : 5934, 6055
.   : milestone, 5994,
iast_GLOBAL (3.721 ms) : 3656, 3786
.   : milestone, 3721,
profiling (2.301 ms) : 2276, 2325
.   : milestone, 2301,
tracing (1.905 ms) : 1888, 1922
.   : milestone, 1905,
Loading
  • baseline results
Variant Request duration [CI 0.99] Δ no_agent
no_agent 1.245 ms [1.233 ms, 1.257 ms] -
iast 3.314 ms [3.271 ms, 3.358 ms] 2.069 ms (166.2%)
iast_FULL 6.067 ms [6.005 ms, 6.129 ms] 4.822 ms (387.3%)
iast_GLOBAL 3.599 ms [3.547 ms, 3.652 ms] 2.354 ms (189.1%)
profiling 2.407 ms [2.383 ms, 2.431 ms] 1.162 ms (93.3%)
tracing 1.911 ms [1.895 ms, 1.927 ms] 666.06 µs (53.5%)
  • candidate results
Variant Request duration [CI 0.99] Δ no_agent
no_agent 1.247 ms [1.235 ms, 1.259 ms] -
iast 3.365 ms [3.314 ms, 3.416 ms] 2.119 ms (170.0%)
iast_FULL 5.994 ms [5.934 ms, 6.055 ms] 4.748 ms (380.9%)
iast_GLOBAL 3.721 ms [3.656 ms, 3.786 ms] 2.474 ms (198.5%)
profiling 2.301 ms [2.276 ms, 2.325 ms] 1.054 ms (84.6%)
tracing 1.905 ms [1.888 ms, 1.922 ms] 658.358 µs (52.8%)

Dacapo

Parameters

Baseline Candidate
baseline_or_candidate baseline candidate
git_branch master pwolski/kafka-span-link-tags
git_commit_date 1776284201 1776283711
git_commit_sha f89a0b26cc 2e8c459
release_version 1.62.0-SNAPSHOT~9f89a0b26cc 1.62.0-SNAPSHOT~2e8c45924b
See matching parameters
Baseline Candidate
application biojava biojava
ci_job_date 1776285708 1776285708
ci_job_id 1599337923 1599337923
ci_pipeline_id 107894063 107894063
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-gijr7ivk 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-gijr7ivk 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 1 performance improvements and 0 performance regressions! Performance is the same for 10 metrics, 1 unstable metrics.

scenario Δ mean execution_time candidate mean execution_time baseline mean execution_time
scenario:dacapo:tomcat:appsec better
[-1.488ms; -1.140ms] or [-38.753%; -29.668%]		 2.527ms 3.841ms
Execution time for tomcat 
gantt
    title tomcat - execution time [CI 0.99] : candidate=1.62.0-SNAPSHOT~2e8c45924b, baseline=1.62.0-SNAPSHOT~9f89a0b26cc
    dateFormat X
    axisFormat %s
section baseline
no_agent (1.485 ms) : 1473, 1496
.   : milestone, 1485,
appsec (3.841 ms) : 3618, 4063
.   : milestone, 3841,
iast (2.287 ms) : 2216, 2358
.   : milestone, 2287,
iast_GLOBAL (2.323 ms) : 2253, 2394
.   : milestone, 2323,
profiling (2.516 ms) : 2357, 2675
.   : milestone, 2516,
tracing (2.079 ms) : 2025, 2133
.   : milestone, 2079,
section candidate
no_agent (1.488 ms) : 1476, 1500
.   : milestone, 1488,
appsec (2.527 ms) : 2472, 2582
.   : milestone, 2527,
iast (2.274 ms) : 2204, 2345
.   : milestone, 2274,
iast_GLOBAL (2.316 ms) : 2246, 2386
.   : milestone, 2316,
profiling (2.106 ms) : 2051, 2162
.   : milestone, 2106,
tracing (2.082 ms) : 2028, 2136
.   : milestone, 2082,
Loading
  • baseline results
Variant Execution Time [CI 0.99] Δ no_agent
no_agent 1.485 ms [1.473 ms, 1.496 ms] -
appsec 3.841 ms [3.618 ms, 4.063 ms] 2.356 ms (158.7%)
iast 2.287 ms [2.216 ms, 2.358 ms] 802.413 µs (54.1%)
iast_GLOBAL 2.323 ms [2.253 ms, 2.394 ms] 838.742 µs (56.5%)
profiling 2.516 ms [2.357 ms, 2.675 ms] 1.032 ms (69.5%)
tracing 2.079 ms [2.025 ms, 2.133 ms] 594.414 µs (40.0%)
  • candidate results
Variant Execution Time [CI 0.99] Δ no_agent
no_agent 1.488 ms [1.476 ms, 1.5 ms] -
appsec 2.527 ms [2.472 ms, 2.582 ms] 1.039 ms (69.8%)
iast 2.274 ms [2.204 ms, 2.345 ms] 786.574 µs (52.9%)
iast_GLOBAL 2.316 ms [2.246 ms, 2.386 ms] 828.194 µs (55.7%)
profiling 2.106 ms [2.051 ms, 2.162 ms] 618.496 µs (41.6%)
tracing 2.082 ms [2.028 ms, 2.136 ms] 594.057 µs (39.9%)
Execution time for biojava 
gantt
    title biojava - execution time [CI 0.99] : candidate=1.62.0-SNAPSHOT~2e8c45924b, baseline=1.62.0-SNAPSHOT~9f89a0b26cc
    dateFormat X
    axisFormat %s
section baseline
no_agent (14.872 s) : 14872000, 14872000
.   : milestone, 14872000,
appsec (14.609 s) : 14609000, 14609000
.   : milestone, 14609000,
iast (18.334 s) : 18334000, 18334000
.   : milestone, 18334000,
iast_GLOBAL (18.11 s) : 18110000, 18110000
.   : milestone, 18110000,
profiling (14.979 s) : 14979000, 14979000
.   : milestone, 14979000,
tracing (14.868 s) : 14868000, 14868000
.   : milestone, 14868000,
section candidate
no_agent (15.45 s) : 15450000, 15450000
.   : milestone, 15450000,
appsec (14.866 s) : 14866000, 14866000
.   : milestone, 14866000,
iast (18.435 s) : 18435000, 18435000
.   : milestone, 18435000,
iast_GLOBAL (18.146 s) : 18146000, 18146000
.   : milestone, 18146000,
profiling (15.146 s) : 15146000, 15146000
.   : milestone, 15146000,
tracing (15.049 s) : 15049000, 15049000
.   : milestone, 15049000,
Loading
  • baseline results
Variant Execution Time [CI 0.99] Δ no_agent
no_agent 14.872 s [14.872 s, 14.872 s] -
appsec 14.609 s [14.609 s, 14.609 s] -263.0 ms (-1.8%)
iast 18.334 s [18.334 s, 18.334 s] 3.462 s (23.3%)
iast_GLOBAL 18.11 s [18.11 s, 18.11 s] 3.238 s (21.8%)
profiling 14.979 s [14.979 s, 14.979 s] 107.0 ms (0.7%)
tracing 14.868 s [14.868 s, 14.868 s] -4.0 ms (-0.0%)
  • candidate results
Variant Execution Time [CI 0.99] Δ no_agent
no_agent 15.45 s [15.45 s, 15.45 s] -
appsec 14.866 s [14.866 s, 14.866 s] -584.0 ms (-3.8%)
iast 18.435 s [18.435 s, 18.435 s] 2.985 s (19.3%)
iast_GLOBAL 18.146 s [18.146 s, 18.146 s] 2.696 s (17.4%)
profiling 15.146 s [15.146 s, 15.146 s] -304.0 ms (-2.0%)
tracing 15.049 s [15.049 s, 15.049 s] -401.0 ms (-2.6%)

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pr-commenter bot commented Apr 13, 2026

Kafka / consumer-benchmark

Parameters

Baseline Candidate
baseline_or_candidate baseline candidate
git_branch master pwolski/kafka-span-link-tags
git_commit_date 1776110723 1776115731
git_commit_sha 9f89a0b f2a32a7
See matching parameters
Baseline Candidate
ci_job_date 1776116784 1776116784
ci_job_id 1591723033 1591723033
ci_pipeline_id 107484593 107484593
cpu_model Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz
jdkVersion 11.0.25 11.0.25
jmhVersion 1.36 1.36
jvm /usr/lib/jvm/java-11-openjdk-amd64/bin/java /usr/lib/jvm/java-11-openjdk-amd64/bin/java
jvmArgs -Dfile.encoding=UTF-8 -Djava.io.tmpdir=/go/src/github.com/DataDog/apm-reliability/dd-trace-java/platform/src/consumer-benchmark/build/tmp/jmh -Duser.country=US -Duser.language=en -Duser.variant -Dfile.encoding=UTF-8 -Djava.io.tmpdir=/go/src/github.com/DataDog/apm-reliability/dd-trace-java/platform/src/consumer-benchmark/build/tmp/jmh -Duser.country=US -Duser.language=en -Duser.variant
vmName OpenJDK 64-Bit Server VM OpenJDK 64-Bit Server VM
vmVersion 11.0.25+9-post-Ubuntu-1ubuntu122.04 11.0.25+9-post-Ubuntu-1ubuntu122.04

Summary

Found 0 performance improvements and 0 performance regressions! Performance is the same for 3 metrics, 0 unstable metrics.

See unchanged results
scenario Δ mean throughput
scenario:not-instrumented/KafkaConsumerBenchmark.benchConsume same
scenario:only-tracing-dsm-disabled-benchmarks/KafkaConsumerBenchmark.benchConsume same
scenario:only-tracing-dsm-enabled-benchmarks/KafkaConsumerBenchmark.benchConsume same

@piochelepiotr @claude
Update test assertions for new Kafka span tags
2e8c459 
Add assertions for messaging.kafka.cluster.id, partition, and offset
tags that are now set on producer and consumer spans.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
@piochelepiotr piochelepiotr marked this pull request as ready for review April 15, 2026 21:35
@piochelepiotr piochelepiotr requested review from a team as code owners April 15, 2026 21:35
@piochelepiotr piochelepiotr requested review from mtoffl01 and removed request for a team April 15, 2026 21:35
@github-actions github-actions bot added the tag: ai generated Largely based on code generated by an AI or LLM label Apr 15, 2026
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@piochelepiotr piochelepiotr added inst: kafka Kafka instrumentation type: enhancement Enhancements and improvements labels Apr 15, 2026
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