Reflections from PerconaLive 2022 Austin, TX

As a long-term Perconalive veteran, the most recent Perconalive was more than an Open Source Database conference. It meant to be reunited with thought leaders of open source databases; it meant to be there, learn […]

Swiss PGDay 2022

The Swiss conference on PostgreSQL Swiss PGDay 2022 Friday, July 1, 2022 OST Eastern Switzerland University of Applied Sciences, Campus Rapperswil (Switzerland) Covid-19: No pandemic-related restrictions are expected on the Rapperswil campus. Nevertheless, we appeal […]

ClickHouse DR Strategies

ClickHouse DR Strategies We at ChistaDATA never recommend Replication Solution as an alternative for Backup or DR. Replication focuses on business continuity, i.e. delivering uninterrupted data infrastructure availability to mission-critical ClickHouse Operations and Backup involves […]

Everything ClickHouse with ChistaDATA Inc.

Everything ClickHouse with ChistaDATA Inc. I have been a full-time Open Source Database Systems Performance Engineer for the last two decades with deep interests in Database Systems Internals, Database Systems (Transaction Processing and ColumnStores) Operations […]

ColumnStores for Analytics – ClickHouse

In this blog post, I’m going to take on the subject of why we need ColumnStores for Analytics, the options we have, and how ClickHouse is compelling. Background and History Historically popular datastores have been […]

ChistaDATA Managed Services 2022

Intro  In this blog post, I’d like to introduce ChistaDATA’s vision and strategy of putting our customers first around Managed Services. First of all, I’d like to thank Shiv Iyer Founder and Principal of ChistaDATA […]

What is new ClickHouse 22.2

ClickHouse 22.2 New Features  ClickHouse Development Group is very active (, We at ChistaDATA carefully evaluate new features to recommend customers for adoption (whenever appropriate). Our Support team is committed to providing maximum value for […]

ClickHouse LowCardinality Data Type

ClickHouse LowCardinality Data Type ClickHouse LowCardinality feature is not documented in detail and people still mistake the functional relevance of ClickHouse LowCardinality. ClickHouse has several data types and SQL implementation which is entirely different from […]

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