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Kubernetes Community Days landed in Zürich

Today at dbi services, with my colleague Chay Te and Arjen Lankkamp, we attended to the KCD in Zurich. First occurrence of the Kubernetes Community Days organized in Switzerland, the KCD Zurich hosted 250 participants. The previous day was devoted(…)

Prometheus and the AlertManager

In any monitoring tool, the question of alerting arises. Prometheus has a component dedicated to this function called the “Alertmanager”. One of the strengths of Alertmanager is its ability to evaluate and group alerts, thus avoiding false positives and waves(…)

Redis : Geospatial Indexing

Introduction: Hi Team , today we will see a very interesting and useful feature of Redis.The Redis geospatial indexing What is Geostail indexing? Redis geospatial indexes let you store coordinates and search for them. This data structure is useful for(…)

Defining Custom Monitoring Metric in Zabbix

In this blog, we will see how to add custom monitoring metric into Zabbix and, more precisely, get Java Virtual Machine (JVM) garbage collector heap statics. jstat OpenJDK includes an interesting tool to monitor a JVM: jstat. Let’s see what(…)

ODA: Check your DB homes before applying server patch

Introduction Patching an Oracle Database Appliance is divided in 4 main steps with 4 odacli commands in this order: odacli update-dcs[admin|components|agent]: the easiest part dedicated to update the ODA tooling, including odacli itself odacli update-server: the most complex part. It(…)

Build and containerize an Angular application with GitLab CI/CD

To deploy an Angular application into Kubernetes, the application needs to be build, containerized and pushed into a container registry before the deployment. In this project, I want to: Build the Angular Application using Angular CLI Create a new image(…)

Elasticsearch Upgrade – What about index compatibility?

Upgrade Elasticsearch is an easy task, I always heard this sentence. Which is correct if you take care about indices and compatibility. At a customer, I had the chance to upgrade an old version of Elasticsearch, today I will share(…)

Oracle Database monitoring with Zabbix

Zabbix comes with an Oracle Database monitoring template out-of-the-box, so it should not be too complicated to integrate one server. Nevertheless, I faced a few issues while trying to setup one and I will detail these steps below. Agent Installation(…)

Elasticsearch queries: Domain Specific Language (DSL)

There are several query languages to query Elasticsearch (e.g. KQL, EQL, DSL, aso), in this blog I will speak about Domain Specific Language (DSL) which is the most flexible and gives access to all Elasticsearch options!(…)

Migrating Monitoring Data from Prometheus to VictoriaMetrics

Now that we know the advantages of VictoriaMetrics over Prometheus (see my previous blog post), we have to find a way to migrate data between the two. If you have the default retention set in Prometheus(…)