diff --git a/provisioning/stream/kubernetes/templates/config/config-map.yaml b/provisioning/stream/kubernetes/templates/config/config-map.yaml
index 5c13ccfecc..ae11b34c21 100644
--- a/provisioning/stream/kubernetes/templates/config/config-map.yaml
+++ b/provisioning/stream/kubernetes/templates/config/config-map.yaml
@@ -105,7 +105,7 @@ data:
         # The maximum number of concurrent connections the server may serve. Validation rules: required,min=100,max=1000000
         maxConnections: 200000
         # Read buffer size, all HTTP headers must fit in. Validation rules: required,minBytes=1kB,maxBytes=1MB
-        readBufferSize: 16KB
+        readBufferSize: 512KB
         # Write buffer size. Validation rules: required,minBytes=1kB,maxBytes=1MB
         writeBufferSize: 4KB
         # Max size of the HTTP request body. Validation rules: required,minBytes=100B,maxBytes=4MB
@@ -183,7 +183,7 @@ data:
                 # GZIP implementation: standard, fast, parallel. Validation rules: required,oneof=standard fast parallel
                 implementation: fast
                 # GZIP parallel block size. Validation rules: required,minBytes=16kB,maxBytes=100MB
-                blockSize: 256KB
+                blockSize: 2MB
                 # GZIP parallel concurrency, 0 = auto.
                 concurrency: 0
             sync: