Increase URL length limit for K8S ingress
I have a GET request URL into a service on my kubernetes that's ~9k long and it seems like the request is getting stuck in Kubernetes's ingress. When I tried calling the url from within the docker or from other docker in the cluster it works fine. However when I go through a domain name I'm getting the following response header:
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I think the parameter you must modify is Client Body Buffer Size
Sets buffer size for reading client request body per location. In case the request body is larger than the buffer, the whole body or only its part is written to a temporary file. By default, buffer size is equal to two memory pages. This is 8K on x86, other 32-bit platforms, and x86-64. It is usually 16K on other 64-bit platforms. This annotation is applied to each location provided in the ingress rule
nginx.ingress.kubernetes.io/client-body-buffer-size: "1000" # 1000 bytes
nginx.ingress.kubernetes.io/client-body-buffer-size: 1k # 1 kilobyte
nginx.ingress.kubernetes.io/client-body-buffer-size: 1K # 1 kilobyte
nginx.ingress.kubernetes.io/client-body-buffer-size: 1m # 1 megabyteSo you must add an annotation to your nginx ingress config.