Alejandro Duarte

📕 Chapter 7 ready! My book is getting some shape now. Learn more at mariadbfordevelopers.com #MariaDB #developers #Java #Python #NodeJS #SQL

MariaDB is going to @DevOpsEU 2026! ✈️ 📅 May 19-22, 2026 📍 Vilnius, Lithuania @Alejandro_du is taking the stage at DevOps Pro Europe for his session “Beyond Keywords: Understanding how AI Vector Search Works,” where he’ll dive into how vector embeddings represent meaning, how modern #databases store and compare vectors to deliver intent-based results, and more! Register now: bit.ly/4wgy3HA

Are you spending too much time stitching together separate systems, adding immense complexity, and new points of failure? 🤔 Did you know there’s a way to avoid that? During our latest webinar, @alejandro_du took a deep dive into MariaDB #AI RAG, a new component of MariaDB Enterprise Platform, designed to encapsulate the complete RAG lifecycle. 🔁 Catch all the action. bit.ly/4cFpMUC

Have you met #MariaDB Enterprise Manager? 👋 Part of MariaDB Enterprise Platform, Enterprise Manager is a native monitoring and management solution that reduces operational overhead and costs by leveraging a ready-to-use monitoring solution. Developer Relations Engineer, @alejandro_du, demonstrates how to get started. bit.ly/42aLuuH

This just in: #MariaDB Enterprise Platform has been named the WINNER of the 2026 @Data_awards for Data Management Platform of the Year! 👏 "MariaDB’s architecture is designed as a single, cohesive system – not a collection of loosely compatible parts – to ensure fast and reliable ingestion and querying of data across every use case,” said MariaDB CPO Vikas Mathur. Learn more about this recognition: bit.ly/4vy0ccD

📅Mark your calendars. On April 22 at 8 AM PDT | 11 AM EDT | 4 PM GMT, @alejandro_du, Developer Relations Engineer, is taking a closer look at how to move RAG to production WITHOUT the headache, thanks to #MariaDB #AI RAG. This technical session will cover: 🤔 The core RAG challenges 🏗️ The architecture of MariaDB AI RAG 🧑‍💻 Workflow demo 🙋Live Q&A You don’t want to miss this one: bit.ly/41j00jT

Many enterprise DevOps teams are struggling to deploy frequently, increase test automation, and ensure reliable releases. What can they learn from SaaS companies where developing and deploying software is part of their core operations? #MariaDB’s developer relations engineer, @alejandro_du, shares his answer in @infoworld: bit.ly/4tCdinz

The layer I work on, and wear, most days.

🤓Wrote a short recap of some internal AI demos we ran at @MariaDB recently. Mostly around #SQL + #Vector search and spatial #RAG patterns. Repo links are in the post if you want to poke around the code: 👉mariadb.com/resources/blog…

🚀 New release: @MariaDB Connector/J 3.5.8 🔧 Update your pom.xml and get performance improvements and bug fixes. mariadb.com/docs/release-n…

RAG in a box with @MariaDB youtube.com/watch?v=DxAybL…

@zeroclawlabs Is there a mirror?

Our GitHub repo is currently returning a 404 for some users. We're aware and actively investigating. The repo is public and all code is safe. Will update here as soon as it's resolved. Thanks for your patience.

"#MariaDB distance calculations already use inner product internally, there is no need to resort to hacks. Unfortunately, we keep getting these requests and even code contributions regularly." Full story 👉 mariadb.org/mariadb-vector… by Sergei Golubchik

"Inner product is not a proper distance [function] (as it does not have a minimum when a vector is compared to itself), and it is only used as a hack [...] in those #databases" 🧵

🤔 Here's why MariaDB doesn't offer an "inner product" distance function 🧵

Software horror: litellm PyPI supply chain attack. Simple `pip install litellm` was enough to exfiltrate SSH keys, AWS/GCP/Azure creds, Kubernetes configs, git credentials, env vars (all your API keys), shell history, crypto wallets, SSL private keys, CI/CD secrets, database passwords. LiteLLM itself has 97 million downloads per month which is already terrible, but much worse, the contagion spreads to any project that depends on litellm. For example, if you did `pip install dspy` (which depended on litellm>=1.64.0), you'd also be pwnd. Same for any other large project that depended on litellm. Afaict the poisoned version was up for only less than ~1 hour. The attack had a bug which led to its discovery - Callum McMahon was using an MCP plugin inside Cursor that pulled in litellm as a transitive dependency. When litellm 1.82.8 installed, their machine ran out of RAM and crashed. So if the attacker didn't vibe code this attack it could have been undetected for many days or weeks. Supply chain attacks like this are basically the scariest thing imaginable in modern software. Every time you install any depedency you could be pulling in a poisoned package anywhere deep inside its entire depedency tree. This is especially risky with large projects that might have lots and lots of dependencies. The credentials that do get stolen in each attack can then be used to take over more accounts and compromise more packages. Classical software engineering would have you believe that dependencies are good (we're building pyramids from bricks), but imo this has to be re-evaluated, and it's why I've been so growingly averse to them, preferring to use LLMs to "yoink" functionality when it's simple enough and possible.

🚀 Open WebUI to support @MariaDB Vector as a vector DB backend: github.com/open-webui/ope…

Big news! @GridGain (the developers of @ApacheIgnite) have officially joined @MariaDB 👏

#MariaDB present in the Caribbean Sea

What is #MariaDB #AI RAG? What can I do with it? MariaDB AI RAG simplifies the creation of #GenAI applications by turning complex data into a single, easy-to-use REST service. @alejandro_du has the answers to all things AI RAG: bit.ly/4kV4nKZ