Matías CostainITNEXTMonitoring Fluentd log ingestion with PrometheusMonitoring a managed Elasticsearch / Opensearch cluster is relatively easy nowadays. If you’re using, for example, Amazon Opensearch, there…May 3, 2023May 3, 2023
Matías CostainITNEXTOpensearch outage: Lessons learnt and measures implementedAt giffgaff we use EFK Stack to collect, index, search, and visualize all log data generated across all our systems. This includes hundreds…May 2, 2023May 2, 2023
Matías CostaIntegrating Okta with GrafanaIf you ever tried to integrate OKTA with Grafana, you might have ended up a bit frustrated after following all the instructions in the…Dec 17, 20221Dec 17, 20221
Matías CostainITNEXTRunning production workloads in EKS using Spot instancesHow to run production workloads in EKS using Spot instances without compromising reliabilityNov 8, 2022Nov 8, 2022
Matías CostainITNEXTEvent Driven AutoscalingData is a precious asset. The ability to collect, manage, and use it gives a competitive advantage to a business. When a company employs a…Dec 13, 2021Dec 13, 2021
Matías CostaCompleting giffgaff cloud migrationOur journey to the cloud at giffgaff began in 2018, when we realised our datacenter capabilities weren’t enough to fulfil our ambitions as…Aug 6, 2021Aug 6, 2021
Matías CostainITNEXTResizing StatefulSet Persistent Volumes with zero downtimeBefore we go all hands on into resizing StatefulSet Persistent Volumes, let’s do a brief recap into what are stateful applications, what a…Jun 21, 20211Jun 21, 20211
Matías CostainITNEXTMonitoring Kubernetes JobsHow to monitor Kubernetes Jobs using Prometheus and kube-state-metricsJun 14, 20211Jun 14, 20211
Matías CostainCodeXRenaming/Removing log fields with FluentdNote: for a basic understanding of Fluentd, have a look at the following articleApr 12, 2021Apr 12, 2021
Matías CostainCodeXRunning Fluentd as a Daemonset in KubernetesFluentd is an open source data collector, which lets you unify the data collection and consumption for a better use and understanding of…Apr 10, 2021Apr 10, 2021