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…·5 min read·May 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…·5 min read·May 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…·2 min read·Dec 17, 2022--1--1
Matías CostainITNEXTRunning production workloads in EKS using Spot instancesHow to run production workloads in EKS using Spot instances without compromising reliability·7 min read·Nov 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…·11 min read·Dec 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…·5 min read·Aug 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…·6 min read·Jun 21, 2021--1--1
Matías CostainITNEXTMonitoring Kubernetes JobsHow to monitor Kubernetes Jobs using Prometheus and kube-state-metrics·5 min read·Jun 14, 2021--1--1
Matías CostainCodeXRenaming/Removing log fields with FluentdNote: for a basic understanding of Fluentd, have a look at the following article·3 min read·Apr 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…·5 min read·Apr 10, 2021----