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JS Conf Chile 2024: Collect, Ingest, Observe: A New Era for (free) JS Monitoring!

Monitoring JavaScript applications might seem like a formidable challenge, but it's time for a change in perspective. This session is set to demystify the complexities of observability, paving a clear and impactful path to proficiency with OpenTelemetry (OTel) alongside a selection of powerful open-source tools (Grafana & ClickHouse).
Prepare to easily navigate the intricate waters of observability, as we guide you through the essentials of collecting comprehensive telemetry data for insightful visibility into your application's performance and health. We'll explore the synergistic power of OTel and the JavaScript ecosystem, further enhanced by other OSS tools and a real-time DB. This combination will ensure you never miss what is happening within your applications, but what is better: it achieves this without wasting thousands (or even millions) of dollars on third-party services.

Altinity Office hours

Join us for our office hours! We can tackle your hardest ClickHouse® and/or Kubernetes questions.

CodeMash 2025 Talk: DevOps is a Foreign Language (or Why There Are No Junior SREs)

DevOps has a notoriously steep learning curve. Getting started in the field can feel like being dropped in a foreign country without the ability to understand *anything* about the language.
A language is more than just the syntax and semantic rules of the words themselves. It also encompasses the shared culture of the speakers. With the proliferation of programming languages as well as the deeply held cultural beliefs of the community, it's easy to see that learning DevOps is like trying to learn a foreign language.
I will review five foundational hypotheses from the field of Second Language Acquisition and relate these hypotheses back to the world of DevOps. DevOps practitioners, trainers, tool builders, and learners should all come away with useful insights to apply to their practice.

What’s a Data Lake and What Does It Mean For My Open Source ClickHouse® Stack?

Data lakes on open table formats are emerging as the go-to storage of large datasets for analytics, data science, and AI. This talk explains how data lakes work and how ClickHouse® is integrating them. We’ll introduce the key components of data lakes using a concrete example based on Parquet, Iceberg open table format, and the Iceberg REST catalog. Next we’ll look at new ClickHouse® feature adaptations, exploring specific issues like event stream ingest, compaction, and queries. Finally, we’ll illustrate how to combine ClickHouse® with Apache Spark and Kafka to deliver fast analytics on massive, shared tables. The real-time data lake is arriving and ClickHouse® is going to be a big part of it. Join us and bring your questions!

Open Source Analytics Community & Altinity at FOSDEM 2025

Come chat with Robert Hodges, Joshua Lee, Alsu Gilizova, and Alkin Tezuysal at FOSDEM 2025.
FOSDEM is a free event for software developers to meet, share ideas, and collaborate. Every year, thousands of developers of free and open-source software from all over the world gather at the event in Brussels.
We're excited to share that we'll be at FOSDEM as part of the Open Source Analytics (OSA) Community. Stop by and chat with us—we'd love to connect.

State of Open Con® 25 London: What’s a Data Lake and What Does It Mean For My Open Source Stack?

The UK's Open Technology Conference, Open Source Software, Open Hardware, Open Data, Open Standards, & AI Openness is happening on the 4th and the 5th of February 2025, in Sancroft, Rose St, Paternoster Sq., St Paul's London EC4M 7DQ.
Our CEO, Robert Hodges, will be presenting the talk:
What’s a Data Lake and What Does It Mean For My Open Source Stack?
Data lakes on open table formats like Iceberg are a popular way to manage large datasets for analytics, data science, and AI. This talk explains how data lakes work and how to adapt open source analytic stacks to use them.

State of Open Con® 25 London: Data Sovereignty in Observability

As OpenTelemetry rapidly becomes the standard for open-source observability instrumentation, the question of data sovereignty takes center stage. In this panel, Josh Lee moderates a lively discussion with Hazel Weakly, Robert Hodges, and Edith Puclla—leaders in the fields of observability, databases, and open source. Together, they will explore the implications of data sovereignty in observability, balancing control, and compliance with innovation. Topics will include the role of open-source tools, the challenges of ensuring data portability, and the future of observability architectures in a sovereignty-conscious world.

Distributed Tracing with ClickHouse® & OpenTelemetry

Have you ever wondered what happens inside a distributed database when you run a query? In this webinar, we’ll explore the inner workings of ClickHouse using OpenTelemetry-compatible distributed tracing.
First, we’ll analyze the internal workings of various ClickHouse clusters while we run a variety of queries.
Then we’ll show how to use OpenTelemetry- and eBPF-based tools to observe queries coming into ClickHouse with context from the client applications, creating comprehensive end-to-end traces.
Finally, we’ll show how ClickHouse itself can be used as a versatile storage layer for trace data, and we’ll connect our data in ClickHouse to trace to visualization tools like Jaeger and Grafana.