Run 1: █ TOTAL RESULTS checks_total.......: 40298 110.792627/s checks_succeeded...: 100.00% 40298 out of 40298 checks_failed......: 0.00% 0 out of 40298 ✓ logged in successfully ✓ fetched actor ✓ uploaded document ✓ registered successfully CUSTOM endpoint_actor_get.............: avg=16.19ms min=3.53ms med=6.95ms max=878.98ms p(90)=25.12ms p(95)=58.41ms p(99)=202.11ms endpoint_auth_login............: avg=479.08ms min=249.31ms med=312.21ms max=5.23s p(90)=697.68ms p(95)=1.97s p(99)=2.68s endpoint_auth_register.........: avg=844.85ms min=688.65ms med=815.93ms max=3.55s p(90)=918.91ms p(95)=982.59ms p(99)=1.41s endpoint_document_upload.......: avg=61.63ms min=36.48ms med=47.65ms max=597.78ms p(90)=94.43ms p(95)=121.46ms p(99)=251.72ms HTTP http_req_duration..............: avg=75.58ms min=3.53ms med=7.9ms max=5.23s p(90)=163.45ms p(95)=364.58ms p(99)=897.74ms { expected_response:true }...: avg=75.58ms min=3.53ms med=7.9ms max=5.23s p(90)=163.45ms p(95)=364.58ms p(99)=897.74ms http_req_failed................: 0.00% 0 out of 40298 http_reqs......................: 40298 110.792627/s EXECUTION iteration_duration.............: avg=1.12s min=1s med=1s max=6.29s p(90)=1.08s p(95)=2.61s p(99)=2.82s iterations.....................: 32212 88.561519/s vus............................: 2 min=0 max=132 vus_max........................: 200 min=200 max=200 NETWORK data_received..................: 32 MB 89 kB/s data_sent......................: 8.6 MB 24 kB/s Run 2: █ TOTAL RESULTS checks_total.......: 40013 110.176038/s checks_succeeded...: 99.98% 40006 out of 40013 checks_failed......: 0.01% 7 out of 40013 ✓ logged in successfully ✗ fetched actor ↳ 99% — ✓ 31981 / ✗ 7 ✓ uploaded document ✓ registered successfully CUSTOM endpoint_actor_get.............: avg=21.75ms min=3.86ms med=6.99ms max=1.14s p(90)=30.93ms p(95)=77.92ms p(99)=399.98ms endpoint_auth_login............: avg=506.99ms min=256.54ms med=310.76ms max=5.07s p(90)=775.03ms p(95)=2.27s p(99)=3.13s endpoint_auth_register.........: avg=850.43ms min=674.42ms med=807.86ms max=3.51s p(90)=924.74ms p(95)=1.06s p(99)=1.68s endpoint_document_upload.......: avg=65.16ms min=36.69ms med=47.69ms max=689.73ms p(90)=97.6ms p(95)=134.86ms p(99)=323.53ms HTTP http_req_duration..............: avg=82.12ms min=3.86ms med=7.88ms max=5.07s p(90)=260.49ms p(95)=524.59ms p(99)=898.25ms { expected_response:true }...: avg=82.08ms min=3.86ms med=7.88ms max=5.07s p(90)=259.31ms p(95)=524.23ms p(99)=898.25ms http_req_failed................: 0.01% 7 out of 40013 http_reqs......................: 40013 110.176038/s EXECUTION iteration_duration.............: avg=1.12s min=1s med=1s max=6.16s p(90)=1.09s p(95)=2.61s p(99)=2.84s iterations.....................: 31988 88.079152/s vus............................: 6 min=6 max=187 vus_max........................: 200 min=200 max=200 NETWORK data_received..................: 32 MB 89 kB/s data_sent......................: 8.5 MB 24 kB/s Observed the following on the actor-bff service, which is consistent with outbound client (BFF → internal ALB → actor-service) seeing the TCP connection disappear (ALB idle, target reset, or rare pool edge). Can show up as 500 with a Quarkus error id if it is not mapped the same way as a normal HTTP error response. 3 May 2026, 14:56 2026-05-03 21:56:02,205 ERROR [runtime.QuarkusErrorHandler] HTTP Request to /actors/b8313370-8081-70a4-3bc0-1f5347969600 failed, error id: ec9e7df3-6a98-472d-a41f-12039d3b3263-4: jakarta.ws.rs.ProcessingException: java.io.IOException: Connection was closed backbone 3 May 2026, 14:56 2026-05-03 21:56:02,204 ERROR [runtime.QuarkusErrorHandler] HTTP Request to /actors/1831e380-f011-708a-7bfc-8bf879d84c56 failed, error id: ec9e7df3-6a98-472d-a41f-12039d3b3263-2: jakarta.ws.rs.ProcessingException: java.io.IOException: Connection was closed backbone 3 May 2026, 14:56 2026-05-03 21:56:02,205 ERROR [runtime.QuarkusErrorHandler] HTTP Request to /actors/e841a380-70b1-70d3-58dd-da47756e6f57 failed, error id: ec9e7df3-6a98-472d-a41f-12039d3b3263-3: jakarta.ws.rs.ProcessingException: java.io.IOException: Connection was closed backbone 3 May 2026, 14:56 2026-05-03 21:56:02,204 ERROR [runtime.QuarkusErrorHandler] HTTP Request to /actors/f8e173c0-8041-70bd-d4f4-469f8a1c208f failed, error id: ec9e7df3-6a98-472d-a41f-12039d3b3263-1: jakarta.ws.rs.ProcessingException: java.io.IOException: Connection was closed backbone Quarkus HTTP connection pool configuration updated to: quarkus.rest-client.connection-ttl=55000 Run 3: █ TOTAL RESULTS checks_total.......: 40478 111.350414/s checks_succeeded...: 99.99% 40477 out of 40478 checks_failed......: 0.00% 1 out of 40478 ✗ logged in successfully ↳ 99% — ✓ 1817 / ✗ 1 ✓ fetched actor ✓ uploaded document ✓ registered successfully CUSTOM endpoint_actor_get.............: avg=13.03ms min=3.49ms med=6.55ms max=543.31ms p(90)=14.5ms p(95)=41.32ms p(99)=169.54ms endpoint_auth_login............: avg=457.63ms min=254.79ms med=313.43ms max=4.58s p(90)=596.05ms p(95)=1.69s p(99)=2.45s endpoint_auth_register.........: avg=839.48ms min=677.25ms med=812.04ms max=2.89s p(90)=905.73ms p(95)=971.9ms p(99)=1.35s endpoint_document_upload.......: avg=59.46ms min=35.13ms med=47.32ms max=716.67ms p(90)=85.12ms p(95)=101.91ms p(99)=276.11ms HTTP http_req_duration..............: avg=71.66ms min=3.49ms med=7.16ms max=4.58s p(90)=128.67ms p(95)=356.54ms p(99)=884.14ms { expected_response:true }...: avg=71.55ms min=3.49ms med=7.16ms max=4.5s p(90)=128.61ms p(95)=356.45ms p(99)=884.07ms http_req_failed................: 0.00% 1 out of 40478 http_reqs......................: 40478 111.350414/s EXECUTION iteration_duration.............: avg=1.11s min=1s med=1s max=5.64s p(90)=1.07s p(95)=2.61s p(99)=2.78s iterations.....................: 32357 89.010459/s vus............................: 6 min=0 max=174 vus_max........................: 200 min=200 max=200 NETWORK data_received..................: 32 MB 89 kB/s data_sent......................: 8.6 MB 24 kB/s The single failure in the 3rd run is v likely test data concurrency during the auth process, completely acceptable (not enough test users basically - one 401 for bob@example.com over tens of thousands of checks is consistent with a rare Cognito / concurrency / transient event on a heavily shared account). Run 4: █ TOTAL RESULTS checks_total.......: 40304 111.278805/s checks_succeeded...: 100.00% 40304 out of 40304 checks_failed......: 0.00% 0 out of 40304 ✓ logged in successfully ✓ fetched actor ✓ uploaded document ✓ registered successfully CUSTOM endpoint_actor_get.............: avg=15.28ms min=3.53ms med=6.63ms max=920.12ms p(90)=18ms p(95)=46.92ms p(99)=205.55ms endpoint_auth_login............: avg=504.76ms min=258.54ms med=311.67ms max=3.7s p(90)=860.83ms p(95)=2.22s p(99)=2.95s endpoint_auth_register.........: avg=842.79ms min=683.85ms med=812.62ms max=3.63s p(90)=906.96ms p(95)=974.99ms p(99)=1.5s endpoint_document_upload.......: avg=60.59ms min=35.34ms med=46.56ms max=866.7ms p(90)=88.62ms p(95)=110.23ms p(99)=284.17ms HTTP http_req_duration..............: avg=74.72ms min=3.53ms med=7.39ms max=3.7s p(90)=141.99ms p(95)=376.24ms p(99)=884.19ms { expected_response:true }...: avg=74.72ms min=3.53ms med=7.39ms max=3.7s p(90)=141.99ms p(95)=376.24ms p(99)=884.19ms http_req_failed................: 0.00% 0 out of 40304 http_reqs......................: 40304 111.278805/s EXECUTION iteration_duration.............: avg=1.11s min=1s med=1s max=5.57s p(90)=1.07s p(95)=2.61s p(99)=2.81s iterations.....................: 32266 89.085995/s vus............................: 3 min=3 max=189 vus_max........................: 200 min=200 max=200 NETWORK data_received..................: 32 MB 88 kB/s data_sent......................: 8.6 MB 24 kB/s