Articles by ChistaDATA Inc.

About ChistaDATA Inc.

We are an full-stack ClickHouse infrastructure operations Consulting, Support and Managed Services provider with core expertise in performance, scalability and data SRE. Based out of California, Our consulting and support engineering team operates out of San Francisco, Vancouver, London, Germany, Russia, Ukraine, Australia, Singapore and India to deliver 24*7 enterprise-class consultative support and managed services. We operate very closely with some of the largest and planet-scale internet properties like PayPal, Garmin, Honda cars IoT project, Viacom, National Geographic, Nike, Morgan Stanley, American Express Travel, VISA, Netflix, PRADA, Blue Dart, Carlsberg, Sony, Unilever etc

Leveraging ClickHouse for Real-time Analytics on Blockchain Data

ChistaDATA Inc.

Introduction With one of our proof-of-concepts (POC), we have implemented ClickHouse to handle Ethereum blockchain transaction data for processing purposes. Through the cumulative aggregation and analysis of this data, we can extract valuable insights […]

Migrating Oracle Database to ClickHouse

ChistaDATA Inc.

In previous article we talked about migrating from OLTP databases to the ClickHouse database. This migration technology tool will soon be available in the ChistaDATA DBaaS and you can enjoy the advantages of ClickHouse database […]

Best Practices for ClickHouse’s Role Based Access Control

ChistaDATA Inc.

Role-based access control (RBAC) is a method of restricting access to a resource based on the roles of the users within an organization. RBAC can ensure that the users are allowed to access the resource […]

In this article, we delve into how ClickHouse supports sharding via a distributed via distributed table engine and the basics of sharding and distributed engines

ClickHouse Horizontal Scaling: Sharding and Resharding Strategies

ChistaDATA Inc.

Introduction Sharding is a process in which a large database table is divided horizontally into smaller ones (with same schema/columns) and stored across different nodes. ClickHouse supports sharding via distributed table engine. You can […]

Comprehensive Guide to ClickHouse EXPLAIN

ChistaDATA Inc.

Introduction Have you ever pondered over how database engines handle queries and optimize their execution? Have you ever wondered which queries are responsible for slowing down your database? Are you curious to know who is […]

ClickHouse Horizontal Scaling: Implementing Parallel Replicas with Dynamic Shards

ChistaDATA Inc.

Introduction ClickHouse is known for its exceptional performance, scalability, and flexibility. With its ability to handle massive amounts of data and process queries in real-time, ClickHouse is becoming increasingly popular among data analysts, developers, and […]

Comprehensive Guide to ChistaDATA’s ClickHouse Performance Audit

ChistaDATA Inc.

Introduction – ClickHouse Performance Audit ClickHouse is a powerful open source relational database management system that offers high performance, scalability, reliability and data security. As ClickHouse is widely used in various industries, it is important […]

ClickHouse April 2023 Release – Version 23.4

ChistaDATA Inc.

Introduction Each new release includes new features, improvements, and numerous bug fixes, and the ChistaDATA team is always on top of the latest releases. On 26th April 2023, ClickHouse version 22.4 (April 2023) was released, […]

ChistaDATA's Anansi Query Profiler for ClickHouse

ChistaDATA Anansi Query Profiler

ChistaDATA Inc.

Introduction Top-n queries extract the top or bottom n rows from a result set. In other words, they identify the best or worst examples, such as the top 10 place in a particular area, the […]

Setup ClickHouse Cluster Replication with Zookeeper

ChistaDATA Inc.

Introduction ClickHouse is a powerful and versatile open-source columnar database management system known for its fast performance and high scalability. If you’re looking to build your own ClickHouse cluster, there are several options available, such […]