David Diab

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!(…)

JBoss EAP vs. WildFly : What’s the difference?

I heard the following question a lot, what is the difference between JBoss EAP and Widfly? It is a very good question which deserves a detailed answer, that's what I will try to do throw this article!(…)

Elasticsearch: is case-sensitive or insensitive?

One more blog in the Elasticsearch series (blogs list at the bottom), this time we will try to learn more together about indexing and search, more specifically answer the question: is Elasticsearch case-sensitive or case-insensitive?(…)

Elasticsearch – Index, document, and search

I have recently wrote blogs about ELK Stack and more specifically around Elasticsearch, this blog comes as a complement of the previous blog (Data lifecycle management).

Elasticsearch – Data lifecycle management

Elasticsearch is a very versatile platform that supports a variety of use cases and provides great flexibility around data organization. After a global overview on Elastic Stack, understanding Elasticsearch terminologies, and(…)

Introducing Control-M 9.0.21

At a customer, we are preparing an upgrade to Control-M 21. As you know the first step is to have a look on what's new, what's changed, corrected/known issues and of course the compatibility for the new version 9.0.21. This(…)