 <p>Unfortunately not all of the various components' command line flags are modifiable when starting a GKE cluster. If you're just trying to run a one-off load test, you could manually modify the flags passed to the Kubelet on each node, but since that flag isn't even controllable by Kubernetes's Salt templates, there isn't even an option to control it with an environment variable.</p> <p>The value was chosen due to performance limitations and will be drastically bumped up (to 100) in version 1.2 of Kubernetes, which is scheduled for release in March.</p>