DBA Archives | ChistaDATA Inc.

Master ClickHouse Custom Partitioning Keys

Master ClickHouse Custom Partitioning Keys: Optimize Performance and Reduce Costs Unlock the full potential of your ClickHouse database with strategic custom partitioning – A comprehensive guide from ChistaDATA’s experts When it comes to maximizing ClickHouse […]

Understanding the OpenTelemetry Collector: A Comprehensive Guide to Modern Telemetry Management

Shiv Iyer

Mastering OpenTelemetry Collector: A Comprehensive Guide to Modern Telemetry Management Introduction In today’s complex distributed systems landscape, managing telemetry data effectively has become a critical challenge for organizations. The OpenTelemetry Collectoremerges as a powerful solution, […]

Why is ClickHouse So Fast? The Architecture Behind Lightning-Speed Analytics

ChistaDATA Inc.

Why is ClickHouse So Fast? The Architecture Behind Lightning-Speed Analytics ClickHouse has revolutionized the world of analytical databases with its exceptional performance capabilities. While many databases claim to be fast, ClickHouse consistently delivers sub-second query […]

Implementing Data Level Security on ClickHouse: Complete Technical Guide

Shiv Iyer

Implementing Data Level Security on ClickHouse: Complete Technical Guide Introduction Data level security in ClickHouse is a critical component for enterprise deployments requiring granular access control and data protection. This comprehensive guide explores the implementation […]

ColumnStore vs. Modern Data Warehousing

Shiv Iyer

ColumnStore vs. Modern Data Warehousing: Optimizing Real-Time Analytics Performance Introduction Real-time analytics has become the cornerstone of data-driven decision making, demanding storage architectures that can handle massive volumes while delivering sub-second query performance. This technical […]

Open-Source Trino ODBC Driver for MinIO/StorageGRID Integration

Shiv Iyer

Technical Guide: Implementing the Open-Source Trino ODBC Driver for MinIO/StorageGRID Integration Welcome to this implementation guide for the Trino ODBC driver, designed to integrate seamlessly with MinIO and StorageGRID systems. We have developed this resource […]

Benchmarking ClickHouse using the clickhouse-benchmark Tool

Optimizing ClickHouse Thread Pool for High-Concurrency Workloads

Shiv Iyer

Unlocking Performance: How We Optimized ClickHouse Thread Pool for High-Concurrency Workloads Unveiling Hidden Bottlenecks: Optimizing ClickHouse Thread Pool Performance ClickHouse has earned its reputation as a powerhouse for lightning-fast analytics, capable of handling immense volumes […]

ClickHouse Data Compression Techniques for Time-series Datasets

Optimizing Non-SARGable Predicates in ClickHouse for Improved Query Performance

Shiv Iyer

Non-SARGable (Search ARGument ABLE) predicates are conditions in SQL queries that prevent the database engine from using indexes efficiently, leading to full table scans and degraded query performance. Implementing and handling Non-SARGable predicates in ClickHouse […]

ClickHouse Redo Operations for Data Reliability

Efficient Strategies for Purging Data in ClickHouse: Real-Life Use Cases and Detailed Implementation

Shiv Iyer

Efficiently purging data from ClickHouse is crucial for maintaining performance and managing storage costs, especially when dealing with large, real-life datasets. Here are some detailed strategies, complete with real-life data sets and use cases: 1. […]

Troubleshooting High CPU Usage in ClickHouse

Securing ClickHouse Data at Rest: A Guide to Implementing Filesystem-Level Encryption

Shiv Iyer

ClickHouse does not directly support Transparent Data Encryption (TDE) in the same way that some other database systems do, such as Oracle or SQL Server, which provide built-in TDE capabilities to automatically encrypt database files. […]