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Tag: monitoring

Service mesh implemented via iptables
Development

Service mesh implemented via iptables

June 13, 2018September 21, 20200

So last time I mentioned, that another Kubernetes compatible service mesh – Conduit – has chosen another approach to solve the problem. Instead of enabling the mesh at machine …

Docker health checks
Development

Docker health checks

June 28, 2017September 21, 20205

Somehow I missed the news that starting from version 1.12 Docker containers support health checks. Such checks don’t just test if container itself is running, but …

Checking service health status with Consul
Development

Checking service health status with Consul

April 5, 2017September 29, 20201

In previous post we created a small Consul cluster which kept track of 4 services in it: two web services and two db‘s. However, we didn’t …

Processing logs with Logstash
Development

Processing logs with Logstash

February 15, 2017September 21, 20203

Last time we talked out about Elaticsearch – a hybrid of NoSQL database and a search engine. Today we’ll continue with Elastic’s ELK stack and …

Quick intro to Elasticsearch
Development

Quick intro to Elasticsearch

February 8, 2017September 21, 20202

So far we’ve been dealing with name-value kind of monitoring data. However, what works well for numeric readings isn’t necessarily useful for textual data. In …

Tracking application events in Graphite
Development

Tracking application events in Graphite

February 1, 2017September 21, 20200

I don’t know if that’s a coincidence or not, but drastic changes in application metrics usually happen soon after a product upgrade was made. In fact, whenever …

Scraping application metrics with Prometheus
Development

Scraping application metrics with Prometheus

January 25, 2017September 21, 202010

There’re two conceptually different approaches in collecting application metrics. There’s PUSH approach, when metrics storage sits somewhere and waits until metrics source pushes some data …

Building dashboards with Grafana
Development

Building dashboards with Grafana

January 18, 2017September 21, 20203

Even though Graphite does very decent job in displaying individual metrics graphs, its dashboards support is quite limited. Of cause, we could take its powerful Render URL API and …

Creating collectd data source in JavaScript
Development

Creating collectd data source in JavaScript

January 11, 2017September 21, 20201

Exec Plugin In the variety of collectd plugins there’s one ‘to rule them all’. If due to some course of events all collectd plugins except for …

Quick intro to Graphite
Development

Quick intro to Graphite

January 4, 2017September 21, 20204

What is Graphite Graphite is an app that does three things: It receives monitoring data from other agents, saves it efficiently into the database, and displays data as graphs …

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