Rigorous trainer selection
Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.
- Triple validation: technical, pedagogical, sectoral.
- Minimum rating 4.8/5 over the last 12 sessions.
Describe your need, get a tailored program and a pre-filled quote in 3 min. A 100% free call with an advisor.
Founded by passionate learning and innovation experts, Learni's mission is to make professional training accessible to everyone, anywhere in the world. Our team operates in major hubs — London, New York, Boston — and internationally, to support talents and organizations in upskilling.
Don't let this gap widen
Without this upskilling, your team accumulates a technological gap that translates directly into productivity loss.
Organizations that don't train their talents on key topics see their competitiveness drop.
Every quarter without training is a gap widening with competitors who invest.
The cost of inaction quickly exceeds that of well-targeted training.
Configuration of a high-availability ClickHouse cluster on Linux servers, use of ZooKeeper for coordination, creation of sharded and replicated tables with MergeTree engine, practical exercises on terabyte datasets, failover and load balancing tests, production of a documented cluster schema ready for professional production.
Analysis and optimization of complex SQL queries on ClickHouse, implementation of Materialized Views for fast aggregations, sampling and projection techniques for sub-second queries, benchmarks on real enterprise cases with 1PB data, exercises refactoring slow queries, generation of performance reports and customized optimization plans.
Setup of continuous ingestion pipelines via Kafka Engine and JDBC, Spark integration for massive ETL to ClickHouse, real-time processing of JSON/Avro streams, simulations of high-velocity enterprise data flows, debugging and horizontal scaling exercises, creation of integrated Grafana dashboards for ingestion monitoring.
Advanced RBAC configuration, row-level security and user quotas on ClickHouse, Prometheus and Grafana integration for real-time metrics, log audits and anomaly detection, exercises on simulated attacks and TLS hardening, deployment of S3-compatible incremental backups, production of certifying security policies for compliance.
Exploration of 2026 features like native ML with TensorFlow UDFs in ClickHouse, predictive modeling on massive datasets, exa-scale scaling with intelligent auto-sharding, workshops on real e-commerce and IoT use cases, development of custom apps with HTTP interface, finalization of red thread project with cloud deployment and skills certification.
The Training ClickHouse - Optimizing OLAP Analysis at Petabyte Scale program is delivered onsite or remote (blended-learning, e-learning, virtual classroom, remote presence). At Learni, an industry-certified training organization, every program is built to maximize skills acquisition regardless of the chosen format.
The trainer alternates between demonstrative, interrogative and active methods (through hands-on labs and/or scenarios). This pedagogical approach guarantees concrete learning that's immediately applicable at work.
For the smooth delivery of the Training ClickHouse - Optimizing OLAP Analysis at Petabyte Scale program, the following equipment is required:
For intra-company training on a site outside Learni, the client commits to providing all required teaching materials (computers, internet, etc.) for the smooth delivery of the program in line with the prerequisites in the communicated program.
Assessment of skills acquired during the Training ClickHouse - Optimizing OLAP Analysis at Petabyte Scale program is performed through:
Learni is committed to making its programs accessible. All our programs are accessible to people with disabilities. Our teams are available to adapt the pedagogical methods to your specific needs. Please contact us for any adjustment request.
Learni programs are available inter-company and intra-company, onsite or remote. Enrollments are possible up to 48 business hours before the program starts. Our programs are eligible for corporate funding paths. Contact us to discuss your training project and funding options.
« cool, j'ai appris des trucs »
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
« 😊👍 »
« bien 👍 »
« Allan Busi t'es au top, continue comme ça. formation géniale »
« cool, j'ai appris des trucs »
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
« 😊👍 »
« bien 👍 »
« Allan Busi t'es au top, continue comme ça. formation géniale »
« cool, j'ai appris des trucs »
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
« 😊👍 »
« bien 👍 »
« Allan Busi t'es au top, continue comme ça. formation géniale »
Before, during, after: we frame the brief, introduce the trainer, tailor the content and measure impact. You stay in control from kickoff to wrap-up.
Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.
30-minute video call between you and the selected trainer to validate the fit, adjust content and clear any final doubts.
No recycled slides. The syllabus is reworked from your real cases: tools, constraints, vocabulary, ongoing projects.
Live evaluations, 30/90/180-day check-ins and a consolidation plan. If the impact misses the mark, we rework it.
A simple promise: you don't pay to discover the trainer on day one. Everything is validated upfront, by you.
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Cloud ComputingIndustry-certified
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Cloud ComputingIndustry-certified30 minutes with a learning advisor. No commitment. No sales pitch dressed up as a demo.