rapaz, meio a meio... acho até que o /cob é mais.... alguns exemplos em ambiente sandbox... produção melhora uns 25%....
2022-08-08 03:31:50,919 [84bb7b3e] INFO app.util.gn gn-duration: 1.632025s /v2/cob
2022-08-08 03:31:52,258 [84bb7b3e] INFO app.util.gn gn-duration: 1.322479s /v2/loc/:id/qrcode
2022-08-08 03:39:36,492 [2e0488ee] INFO app.util.gn gn-duration: 2.368490s /v2/cob
2022-08-08 03:39:37,924 [2e0488ee] INFO app.util.gn gn-duration: 1.427731s /v2/loc/:id/qrcode
2022-08-08 03:40:07,035 [3060f7aa] INFO app.util.gn gn-duration: 1.423731s /v2/cob
2022-08-08 03:40:08,528 [3060f7aa] INFO app.util.gn gn-duration: 1.473700s /v2/loc/:id/qrcode
2022-08-08 03:40:35,447 [eca84f16] INFO app.util.gn gn-duration: 1.537498s /v2/cob
2022-08-08 03:40:36,983 [eca84f16] INFO app.util.gn gn-duration: 1.530325s /v2/loc/:id/qrcode
2022-08-08 03:40:43,806 [91cb85e6] INFO app.util.gn gn-duration: 1.479501s /v2/cob
2022-08-08 03:40:45,134 [91cb85e6] INFO app.util.gn gn-duration: 1.319113s /v2/loc/:id/qrcode
2022-08-08 03:40:49,518 [3ca7d485] INFO app.util.gn gn-duration: 1.445884s /v2/cob
2022-08-08 03:40:50,976 [3ca7d485] INFO app.util.gn gn-duration: 1.445996s /v2/loc/:id/qrcode
2022-08-08 03:41:50,246 [51f3fa34] INFO app.util.gn gn-duration: 1.628853s /v2/cob
2022-08-08 03:41:51,648 [51f3fa34] INFO app.util.gn gn-duration: 1.390579s /v2/loc/:id/qrcode