33 articles
Jak postavit produkční real-time streaming pipeline s Apache Kafka a Apache Flink. Architektura, best practices,...
PostgreSQL in 2026 is more than a relational database. With extensions it replaces MongoDB, Elasticsearch, Redis and...
How to generate synthetic data for enterprise application testing in 2026: tools, techniques, GDPR compliance and...
A complete comparison of four vector databases — performance benchmarks, pricing models, index architecture, HNSW vs...
Implementing a feature store for ML. Feast, online/offline serving, and feature engineering best practices.
An overview of the modern data engineering stack. dbt, Airflow, Snowflake, Kafka, and how to put it all together in...
ELT instead of ETL. dbt for SQL transformations with engineering practices, Snowflake as a cloud data warehouse.
A practical guide to Apache Kafka for real-time streaming. Architecture, use cases, Kafka Connect, Schema Registry,...
Kafka for messaging, Flink for processing. How we built a real-time analytics pipeline for an e-commerce client.
Two years of running stateful workloads on Kubernetes. Lessons learned from production PostgreSQL and Elasticsearch.
CoreOS introduced the Operator concept — a Kubernetes-native way to automate operations of stateful applications.
How we built operational dashboards in Grafana. From installation to production-ready monitoring.
Twelve principles for building modern, scalable, and maintainable applications.
Practical experience transitioning from a monolithic Java EE application to microservices. Domain-driven design, API...
When to use MongoDB instead of a relational database. Our experience from the first NoSQL project.
Practical experience deploying Apache Hadoop in an enterprise environment. MapReduce, HDFS, Hive, and why Big Data...
Practical experience with Apache Cassandra in production. Data modeling, replication, tunable consistency, and when...
How we deployed MongoDB in a production environment. The document model, replication, sharding, and practical...
Our experience migrating an enterprise application from Oracle Database to PostgreSQL. What worked, what did not.
Complete backup strategy. RMAN, the 3-2-1 rule, and recovery testing.
How we use AWR and ASH reports for Oracle performance diagnostics. Wait events, top SQL, and trending.
Configuring JDBC datasources on WebLogic for Oracle RAC. Multi Data Source, FCF, and connection affinity.
Implementing Oracle Data Guard. Physical standby, switchover, failover, and monitoring.
A complete guide to Oracle RMAN. Incremental backup, point-in-time recovery, and best practices.
Apache Hadoop is changing the way companies process large volumes of data. First steps with HDFS, MapReduce, and...
FC SAN for Oracle databases. IOPS, latency, RAID levels, and sizing for enterprise workloads.
Practical deployment of Redis as a cache layer and session store in Java enterprise applications. When NoSQL makes...
Practical experience optimizing Oracle DB 11g for high-volume transactional processing. Partitioning, AWR reports,...
How we accelerated PL/SQL from hours to minutes. Bulk operations, cursor management, and profiling.
Configuring a GlassFish 3.1 cluster for HA. Session replication, load balancing, failover.
Configuring a JDBC connection pool in Apache Tomcat. Sizing, validation, and common mistakes.
MongoDB, CouchDB, Cassandra — NoSQL databases are changing the way we think about data. When to use them and when to...
A case study in SQL query optimization in Oracle 11g. Explain plan, indexes, histograms and the real performance impact.