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HomeAuthorsChistaDATA Inc.

Articles by ChistaDATA Inc.

About ChistaDATA Inc.
ChistaDATA is a full-stack ClickHouse infrastructure operations company delivering consulting, 24×7 enterprise support, and managed services, with core expertise in performance engineering, scalability, and data SRE. Headquartered in California, our consulting and support engineering teams operate from San Francisco, Vancouver, London, Germany, Russia, Ukraine, Australia, Singapore, and India, providing follow-the-sun, enterprise-class consultative support around the clock. We work closely with more than 200 customers globally, including some of the largest planet-scale internet properties, financial-services institutions, consumer brands, and industrial IoT programmes.
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ChistaDATA

Migrating MSSQL Database to ClickHouse

ChistaDATA Inc.
In the previous article, We discussed migrating from Oracle 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 with […]
ClickHouse Release Notes – v23.5
Release Notes

ClickHouse Release Notes – v23.5 (May 2023)

ChistaDATA Inc.
Introduction We greatly appreciate the ClickHouse team’s consistent efforts in delivering monthly releases packed with new features, improvements, and valuable bug fixes. At ChistaData, we diligently conduct Quick Peek analyses on each release and publish […]
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ChistaDATA

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 […]
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ClickHouse

Best Practices for ClickHouse’s Role Based Access Control

ChistaDATA Inc.
Role-based access control (RBAC) 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 […]
multi-region ClickHouse deployment architecture showing distributed cluster replication : Sharding and Resharding Strategies
ClickHouse Sharding

ClickHouse Horizontal Scaling: Sharding and Resharding Strategies

ChistaDATA Inc.
Introduction: Sharding and Resharding Strategies 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 […]
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ClickHouse Explain

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 […]
Implementing Parallel Replicas with Dynamic Shards
ChistaDATA

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
ClickHouse Performance

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 Version 23.4
ClickHouse DBA Support

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
ClickHouse Query Profiler

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 […]

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In the spirit of freedom, independence and innovation. ChistaDATA Corporation is not affiliated with ClickHouse Corporation 

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* Everything changes over time – Our blogs/posts and comments changes over time, That’s how it should be! Whatever we comment from ChistaDATA Inc. Teams (including Shiv Iyer) and other stakeholders or guest bloggers posted here are never permanent, These things worked for us. But, there is no guarantee they will work for you too, When using the recommendations from ChistaDATA or MinervaDB or MinervaSQL or any other online resources / Google,  You must test the advice before applying them to your production systems, and always invest for a robust Database DR solution, Thank you for understanding. 

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We are committed to building Optimal, Scalable, Highly Available, Reliable, Fault-Tolerant and Secured Database Infrastructure Operations for WebScale to our customers globally

CHISTADATA IS COMMITTED TO OPEN SOURCE SOFTWARE AND BUILDING HIGH PERFORMANCE COLUMNSTORES

In the spirit of freedom, independence and innovation. ChistaDATA Corporation is not affiliated with ClickHouse Corporation 

ChistaDATA Inc. Knowledge base is licensed under the Apache License, Version 2.0 (the “License”)

Copyright 2022 ChistaDATA Inc

Licensed under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

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