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introspection benchmark of zitadel v4

Benchmark results of v4 release of Zitadel.

Performance test results

MetricValue
Baselinenone
PurposeTest current performance
Test start13:33 UTC
Test duration30min
Executed testintrospect
k6 versionv1.0.0-rc1
VUs600
Client locationUS1
ZITADEL locationUS1
ZITADEL container specificationvCPU: 6
Memory: 6 Gi
Container min scale: 2
Container max scale: 7
ZITADEL Versionv4.0.0-rc2
ZITADEL feature flagswebKey: true, improvedPerformance: ["IMPROVED_PERFORMANCE_ORG_BY_ID", "IMPROVED_PERFORMANCE_PROJECT", "IMPROVED_PERFORMANCE_USER_GRANT", "IMPROVED_PERFORMANCE_ORG_DOMAIN_VERIFIED", "IMPROVED_PERFORMANCE_PROJECT_GRANT"]
Databasetype: psql
version: v17.4
Database locationUS1
Database specificationvCPU: 8
memory: 32Gib
ZITADEL metrics during test
Observed errorsA lot of over fetching on the database
Top 3 most expensive database queries1: get app
2: Query events by instance id, aggregate types, event types, position
3: Query executions
k6 Iterations per second18
k6 outputoutput
flowchart outcome

Endpoint latencies

k6 output

  █ TOTAL RESULTS

    checks_total.......................: 36207  19.664102/s
    checks_succeeded...................: 99.99% 36205 out of 36207
    checks_failed......................: 0.00%  2 out of 36207

    ✓ user defined
    ✓ authorize status ok
    ✓ login name status ok
    ✓ login shows password page
    ✓ password status ok
    ✓ password callback
    ✓ code set
    ✓ token status ok
    ✓ access token created
    ✓ id token created
    ✓ info created
    ✓ org created
    ✓ add project status ok
    ✓ add api status ok
    ✓ add app key status ok
    ✓ openid configuration
    ✗ introspect status ok
      ↳  99% — ✓ 33792 / ✗ 2
    ✓ org removed

    CUSTOM
    app_add_app_duration....................................................: min=32.73ms  avg=779.27ms max=1.11s    p(50)=771.76ms p(95)=1.08s    p(99)=1.1s
    app_add_app_key_duration................................................: min=340.78ms avg=12.14s   max=17.19s   p(50)=13.51s   p(95)=16.78s   p(99)=16.93s
    login_ui_enter_login_name_duration......................................: min=212.91ms avg=212.91ms max=212.91ms p(50)=212.91ms p(95)=212.91ms p(99)=212.91ms
    login_ui_enter_password_duration........................................: min=29.53ms  avg=29.53ms  max=29.53ms  p(50)=29.53ms  p(95)=29.53ms  p(99)=29.53ms
    login_ui_init_login_duration............................................: min=65.24ms  avg=65.24ms  max=65.24ms  p(50)=65.24ms  p(95)=65.24ms  p(99)=65.24ms
    login_ui_token_duration.................................................: min=98.54ms  avg=98.54ms  max=98.54ms  p(50)=98.54ms  p(95)=98.54ms  p(99)=98.54ms
    oidc_introspect_duration................................................: min=731.31µs avg=32.04s   max=50.94s   p(50)=28.25s   p(95)=47.83s   p(99)=49.39s
    org_create_org_duration.................................................: min=51.76ms  avg=51.76ms  max=51.76ms  p(50)=51.76ms  p(95)=51.76ms  p(99)=51.76ms
    project_add_project_duration............................................: min=52.11ms  avg=754.58ms max=1.2s     p(50)=778.66ms p(95)=1.14s    p(99)=1.19s

    HTTP
    http_req_duration.......................................................: min=731.31µs avg=30.22s   max=50.94s   p(50)=26.12s   p(95)=47.74s   p(99)=49.35s
      { expected_response:true }............................................: min=13.11ms  avg=30.22s   max=50.94s   p(50)=26.12s   p(95)=47.74s   p(99)=49.35s
    http_req_failed.........................................................: 0.00% 2 out of 36204
    http_reqs...............................................................: 36204 19.662473/s

    EXECUTION
    iteration_duration......................................................: min=1.53ms   avg=32.14s   max=50.94s   p(50)=28.25s   p(95)=47.83s   p(99)=49.39s
    iterations..............................................................: 33794 18.353597/s
    vus.....................................................................: 0     min=0          max=600
    vus_max.................................................................: 600   min=600        max=600

    NETWORK
    data_received...........................................................: 25 MB 14 kB/s
    data_sent...............................................................: 33 MB 18 kB/s

running (30m41.3s), 000/600 VUs, 33794 complete and 0 interrupted iterations
default ✓ [======================================] 600 VUs  30m0s

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