Elasticsearch

Elasticsearch, Ingest Pipeline and Machine Learning

Elasticsearch has few interesting features around Machine Learning. While I was looking for data to import into Elasticsearch, I found interesting data sets from Airbnb especially reviews. I noticed that it does not contain any(…)

Monitor Elasticsearch Cluster with Zabbix

Setting up Zabbix monitoring over an Elasticsearch cluster is quiet easy as it does not require an agent install. As a matter a fact, the official template uses the Elastic REST API. Zabbix server itself(…)

Logs from Filebeat to Logstash to Elasticsearch – 3

We sow together how to install and configure Filebeat, Logstash and Elasticsearch. Our log data has been sent from Filebeat to Logstash, then forwarded to Elasticsearch. In this blog, we will see(…)

Logs from Filebeat to Logstash to Elasticsearch – 2

As promised in the previous blog, I will show how to configure Filebeat to push logs to Logstash, then to Elasticsearch. This for sure will not cover all use cases, but will give you an idea(…)

Logs from Filebeat to Logstash to Elasticsearch -1

In a previous blog, we saw together the difference between Filebeat and Logstash, we said also that both can cooperate together in some cases. In this blog series we will deep into a use case: send(…)

ELK Stack – Filebeat vs Logstash

Filebeat and Logstash are both comprised in ELK Stack, in this blog we will compare both with some use cases. So, you can then take the most appropriate to your case.

Elasticsearch – Snapshot Lifecycle Management (SLM)

In a previous blog, I spoke about snapshot, restore, and briefly about Snapshot Lifecycle Management. In this blog, I will go more in deep in SLM.

Elasticsearch – Snapshot and Restore

No need to explain what is a snapshot and restore, how much they are important to any platform, software, database, aso. In this blog, I will show you how to take snapshots of your Elasticsearch cluster and how to restore.

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(…)

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!(…)