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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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ClickHouse capacity planning on 26.8 LTS: data types, compression, disk, memory, Keeper, Kafka and backup sizing for zero data loss
ClickHouse Schema Design

ClickHouse Sizing: Data Types, Capacity Planning and Zero Data Loss in 8 Essential Decisions (26.8 LTS)

ChistaDATA Inc.
ClickHouse sizing is usually done backwards. A team picks instance sizes from a vendor calculator, loads a year of data, and discovers twelve months later that half the disk is spent on columns typed as […]
ClickHouse zero data loss disaster recovery strategies on ClickHouse 26.8 LTS: quorum writes, log-anchored ingestion, standby cluster and immutable backups
ClickHouse Backup & DR

ClickHouse Zero Data Loss: 4 Proven Strategies for Reliable Disaster Recovery on 26.8 LTS

ChistaDATA Inc.
ClickHouse zero data loss is a commitment that most analytics estates make implicitly and very few can evidence. The moment a ClickHouse cluster starts carrying payments telemetry, fraud features, regulatory reporting or customer-facing usage metering, […]
ClickHouse Cloud performance, scalability, high availability and FinOps commitment by ChistaDATA
ClickHouse Performance

ClickHouse Cloud Performance, Scalability, High Availability and FinOps: 4 Proven Pillars of ChistaDATA’s Long-Term Commitment

ChistaDATA Inc.
ClickHouse Cloud performance is now a board-level concern for any enterprise that runs revenue-facing analytics, fraud models or customer dashboards on the service. The managed service removes a great deal of operational toil: no Keeper […]
OLTP vs OLAP real-time analytics mistakes and ClickHouse 26.10 changes, ChistaDATA
Real-Time Analytics

OLTP vs OLAP: 8 Costly Mistakes Data Architects Make in Real-Time Analytics, and What ClickHouse 26.10 Changes

ChistaDATA Inc.
OLTP vs OLAP is the distinction most real-time analytics programmes get wrong, and the cost rarely shows up in the first quarter. It shows up eighteen months later as a cluster that needs three times […]
ClickHouse Cloud FinOps: 12 metrics scorecard to stop overspending on ClickHouse Cloud
ChistaDATA Cloud

ClickHouse Cloud FinOps: A Board-Ready 12-Metric Scorecard to Stop Overspending

ChistaDATA Inc.
ClickHouse Cloud FinOps in twelve metrics: cost mix, allocation, utilization, scan efficiency, egress, storage and burn index, with tested SQL, Python and an operating rhythm.

[…]

ClickHouse High Availability Architecture
ClickHouse

ClickHouse High Availability Architecture on 26.9: A Definitive 5-Layer Framework for Safe Failover

ChistaDATA Inc.
A ChistaDATA point of view on ClickHouse high availability architecture for 26.9: zone-level topology, Keeper quorum placement, zero-downtime rolling upgrades and measured disaster recovery outcomes.

[…]

ClickHouse Observability at scale
ClickHouse

ClickHouse Observability at Scale: 7 Costly Schema Mistakes We Measured

ChistaDATA Inc.
ClickHouse observability at scale, measured on 20 million OpenTelemetry-style logs: sort keys, shaping at ingest, insert batching, materialized views, high cardinality and tiered log storage.

[…]

ClickHouse high availability
ClickHouse

ClickHouse High Availability on 26.9: 8 Brutal Failure Drills, Measured

ChistaDATA Inc.
ClickHouse high availability on 26.9, tested: we broke a three-replica cluster with ClickHouse Keeper eight ways and measured what survived, with the SQL and runbooks our ClickHouse support team uses.

[…]

ClickHouse Performance Observability
ClickHouse

ClickHouse Performance Observability: 9 Proven Signals We Trust in 26.9

ChistaDATA Inc.
ClickHouse performance observability on ClickHouse 26.9: nine system tables and endpoints, tested SQL, and a real Code 241 incident traced to one function.

[…]

ClickHouse Cloud Cost
ClickHouse

ClickHouse Cloud Cost: How Expensive Queries Become a Very Large Bill, Measured and Fixed

ChistaDATA Inc.
ChistaDATA · ClickHouse Cloud cost engineering · October 2026 ClickHouse Cloud cost is not set by how much data you store. It is set by how your queries are written and how often they run. […]

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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 

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★READ THIS WARNING★

* 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. 

Recent Posts from ChistaDATA

  • ClickHouse Sizing: Data Types, Capacity Planning and Zero Data Loss in 8 Essential Decisions (26.8 LTS)
  • ClickHouse Zero Data Loss: 4 Proven Strategies for Reliable Disaster Recovery on 26.8 LTS
  • ClickHouse Cloud Performance, Scalability, High Availability and FinOps: 4 Proven Pillars of ChistaDATA’s Long-Term Commitment
  • OLTP vs OLAP: 8 Costly Mistakes Data Architects Make in Real-Time Analytics, and What ClickHouse 26.10 Changes
  • ClickHouse Cloud FinOps: A Board-Ready 12-Metric Scorecard to Stop Overspending

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ChistaDATA Inc.
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ChistaDATA Inc.,
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ChistaDATA Inc.,
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HOW CAN WE HELP?

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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