> yet its bloody slow. HOW??? The button calls into a recently developed micro-service, that calls into a previous-generation SOAP webservice, that sends a mes

> yet its bloody slow. HOW??? The button calls into a recently developed micro-service, that calls into a previous-generation SOAP webservice, that sends a message to the enterprise service bus, that then goes to netweaver middleware, that calls into the SAP R/3 backend that has been there since 1992 but was recently upgraded to use an even more expensive database. Of course, the button has to wait for the response of all this, and blocks the UI while waiting...