ClickHouse Index Archives | ChistaDATA Inc.

ClickHouse Search: Case-sensitive Searches with UPPER & LOWER Functions

Boosting Materialized View Performance

Aggregation States: Boosting Materialized View Performance by 10x in ClickHouse ClickHouse has long been celebrated for its lightning-fast analytical query performance, especially when handling massive datasets in real time. One of the most powerful features […]

Troubleshooting Underutilized ClickHouse Index

Unlock Blistering Query Speed with ClickHouse LowCardinality

ChistaDATA Inc.

Unlock Blistering Query Speed with ClickHouse LowCardinality: A ChistaDATA Guide ClickHouse is famous for raw speed, but some of its most powerful tools remain under-documented. Among them, the LowCardinality data type is arguably the simplest […]

Mastering Nested JOINs in ClickHouse: A Complete Guide to Embedding JOINs within JOINs

ChistaDATA Inc.

Mastering Nested JOINs in ClickHouse: A Complete Guide to Embedding JOINs within JOINs ClickHouse’s powerful JOIN capabilities allow for complex data relationships through nested JOIN operations. Understanding how to embed JOINs within JOINs is crucial […]

Building Fast Data Loops in ClickHouse®

ChistaDATA Inc.

Building Fast Data Loops in ClickHouse: From Insert to Query Response in ClickHouse® In today’s data-driven world, the speed at which you can ingest, process, and query data determines your competitive advantage. ClickHouse® excels at […]

Troubleshooting Conflicting Configuration Variables

ChistaDATA Inc.

Troubleshooting ClickHouse Configuration Conflicts: A Complete Technical Guide Introduction ClickHouse’s powerful configuration system provides extensive customization capabilities, but with great flexibility comes the potential for configuration conflicts that can impact performance, functionality, and system stability. […]

Inverted Indexes in ClickHouse

ChistaDATA Inc.

Inverted Indexes in ClickHouse: Revolutionizing Full-Text Search for Data Analytics Introduction In the rapidly evolving landscape of data analytics, the ability to efficiently search through massive datasets has become crucial for organizations seeking actionable insights. […]

Optimizing Vector Search Index in ClickHouse

Shiv Iyer

How can I optimise the performance of the ClickHouse vector search index? To optimize vector search performance in ClickHouse, leverage its MergeTree engine capabilities and vector similarity indexes while balancing speed, accuracy, and resource usage. […]

ClickHouse Performance: Indexing and SQL Engineering for Cost-Efficiency

Shiv Iyer

The landscape of cloud-based database application development has been rapidly evolving, and with it, the importance of optimal SQL engineering and efficient indexing has become more pronounced than ever.

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Tuning index_granularity for ClickHouse Performance

Shiv Iyer

Understanding index granularity is crucial for troubleshooting performance issues in ClickHouse, especially when it comes to optimizing how ClickHouse uses indexes for query execution.

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ClickHouse Troubleshooting: Why is ClickHouse Index Underutilized?

Shiv Iyer

If a ClickHouse index is not being utilized for existing data, leading to full table scans even after creating the index, several factors could be at play.

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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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