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

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 […]
Tuning index_granularity for ClickHouse Performance
ChistaDATA

Understanding ClickHouse Wait Events

Understanding ClickHouse Wait Events: A Comprehensive Troubleshooting Guide Introduction Wait events in ClickHouse reveal where query execution slows down—whether from disk bottlenecks, lock contention, CPU saturation, or network latency. Mastering these signals empowers you to […]
Using EXPLAIN to Determine JOIN Order in ClickHouse Query Execution Plan
ChistaDATA

Reduce Query Memory Usage in ClickHouse

How to Reduce Query Memory Usage in ClickHouse: Troubleshooting Memory Limit Exceeded Errors Memory limit exceeded errors are among the most common challenges ClickHouse users face when running complex analytical queries. Whether you’re performing large […]
ClickHouse

Master ClickHouse Custom Partitioning Keys

Master ClickHouse Custom Partitioning Keys: Optimize Performance and Reduce Costs Unlock the full potential of your ClickHouse database with strategic custom partitioning – A comprehensive guide from ChistaDATA’s experts When it comes to maximizing ClickHouse […]