As per our requirement, we are making GET Request, we send encoded string in url. Gradually the length of encoded string exceeds 5000 character and that is where we are getting 431 error.
It seems like we are hitting this: Load Balancer quota limit
debug: osrm: query start debug: osrm: Error : Error: Request failed with status code 431 at createError (/home/sagar/Desktop/interpl/OSRM-response-check/node_modules/axios/lib/core/createError.js:16:15) at settle (/home/sagar/Desktop/interpl/OSRM-response-check/node_modules/axios/lib/core/settle.js:17:12) at IncomingMessage.handleStreamEnd (/home/sagar/Desktop/interpl/OSRM-response-check/node_modules/axios/lib/adapters/http.js:293:11) at IncomingMessage.emit (node:events:402:35) at endReadableNT (node:internal/streams/readable:1343:12) at processTicksAndRejections (node:internal/process/task_queues:83:21) { config: {
Seems like you are hitting the URL request size (64KB). That limit unfortunately cannot be increased on GCP Loadbalancers.