Hi, team! Since I am pretty new to this service, I have a question about this powerful load balancer tool HAProxy's working mechanism at the lower level of process and threads. I have gone through the documentation, but it seems that the explanation of the working mechanism is pretty high-level and focus on what it does and how it could be configured to achieve different goals of routing client requests to proper backends. I am more interested in how HAProxy manages processes and threads to achieve the highly efficient distribution of incoming client connections and requests to workers (not sure what specifically a worker means for HAProxy scheduler) and how workers process the request independently (or with shared resources). I would be really appreciate if someone explains this mechanism or gives a lead to look up. (either in codebase or doc with details) I am also trying to add a lua script to the HAProxy configuration file to be executed for each incoming request. This Lua script will make network requests using the header data from the incoming client request being handled to an external service, (e.g. a backend or a data store like Redis etc) to get a response. Then HAProxy redirects the routes according to this response. Since I am trying to add this lua script and it will be executed for almost each incoming request, I am trying to evaluate the performance effect of adding this script. I read docs of adding lua script in HAProxy, and figured out network calls are non-blocking to the main thread of HAProxy, but I still want to understand how it works at low level and what effects it has so that I know what I am doing here. Thank you very much! Looking forward to your reply! Best regards,Ryan
