PinnedEmmanuel LivingstoneinFlipkart Tech BlogThe Art of System Debugging — Decoding CPU UtilizationThis blog post describes the case study of how we diagnosed, root caused and then mitigated a performance issue in one of our applications…Apr 231Apr 231
PinnedEmmanuel LivingstoneUsing ebpf to analyze why Kubernetes NodePort services timeoutKubernetes Setup in the DCJan 2, 2020Jan 2, 2020
Emmanuel LivingstoneFilesystem Layouts Supported by KubernetesAs part of running a couple of large(~3k nodes) k8s clusters on premise, we encountered a couple of issues with the logical volumes that we…Jun 25, 2022Jun 25, 2022
Emmanuel LivingstoneGetting Khata Transfer done without paying a bribe in BangaloreBeing a regular citizen of India who gets wooed by the meaningless debates in news channels, there was a time when I thought voting for…Oct 19, 2020Oct 19, 2020
Emmanuel LivingstoneHandling PrometheusRuleFailures alert caused by “grouping labels must ensure unique matches” error…Disclaimer: This is just one single case of this error. There can be other causes as wellOct 8, 2020Oct 8, 2020
Emmanuel LivingstoneDigital Signatures and Digital CertificatesDuring my recent work on setting up Kubernetes for our org, I came across the kubernetes components authenticating with each other using…Sep 2, 2019Sep 2, 2019
Emmanuel LivingstoneBurstable Bandwidth limits on kvm/lxc guests using linux tc(traffic control)This post is not a tutorial on linux traffic control. Please refer to lartc or the traffic control howto. This article would be a howto on…Jan 13, 2019Jan 13, 2019
Emmanuel LivingstoneNetworking between Host and KVM guest using link local IPWe run a private cloud using proprietary software. We had implemented networking for our KVM and lxc guests using a host bridge as…Dec 16, 2018Dec 16, 2018
Emmanuel LivingstoneExploring the linux kernel using vimI’m a developer used to intellij line of products like goland and pycharm for most of my official work. I rely heavily of keyboard…Aug 26, 20181Aug 26, 20181
Emmanuel LivingstoneLxc Host Bridge Networking in Azure VMsIn case of lxc containers created on Azure VMs with networking done using host bridge mode, the containers are not able to ping other VMs…Feb 12, 2018Feb 12, 2018
