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…Jan 31, 2021Jan 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…Jan 31, 2021Jan 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…Jan 30, 2021Jan 30, 2021
M CastelinoSetting up a overlay network using point to multi-point GRE tunnelsMulti-Point GRE TunnelsApr 11, 2019Apr 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…Apr 11, 2019Apr 11, 2019
M CastelinoCreating a Virtual Machine that can be instantly resumed or duplicausing migrationOverviewApr 11, 2019Apr 11, 2019
M CastelinoHow to use VFIO to assign a device to nested VMHere the vfio-pci device is passed in into the L1 VMApr 11, 2019Apr 11, 2019