M CastelinoinKubehellsKubernetes Pod Monitors & Re-Labeling — Managing CardinalityThe Prometheus operator offers a simple method to scrape metrics from any Pod. However in many cases the Pod itself is not what you are…2 min read·Jan 31, 2021----
M CastelinoinKubehellsPandas, Elasticsearch and AggregationsPandas is good at handling large volumes of data. However there is always an upper limit. What if you are looking for summary statistics…2 min read·Jan 31, 2021----
M CastelinoinKubehellsKubernetes from first principlesIts been some time since I wrote the Kubernetes Resource Management Deep dive. In this post I wanted to reduce Kubernetes to it very bare…6 min read·Jan 30, 2021----
M CastelinoSetting up a overlay network using point to multi-point GRE tunnelsMulti-Point GRE Tunnels2 min read·Apr 11, 2019----
M CastelinoTracing QEMU-KVM InteractionsBut default in linux you can figure out how many times and for what reasons there is a VM Exit from a VM into the kvm kernel module…4 min read·Apr 11, 2019----
M CastelinoCreating a Virtual Machine that can be instantly resumed or duplicausing migrationOverview3 min read·Apr 11, 2019----
M CastelinoHow to use VFIO to assign a device to nested VMHere the vfio-pci device is passed in into the L1 VM2 min read·Apr 11, 2019----