# How Eisan made POS analytics faster, cheaper, and more reliable with ClickHouse Cloud

DevFeed: [How Eisan made POS analytics faster, cheaper, and more reliable with ClickHouse Cloud](<https://devfeed.tech/articles/how-eisan-made-pos-analytics-faster-cheaper-and-more-reliable-with-clickhouse-cloud-5231.md>)

Original publisher: [Read original article](<https://clickhouse.com/blog/eisan>)

Author: ClickHouse

Published: 2026-04-08T00:00:00Z

Content type: article

Language: en

Sources: [ClickHouse Blog](<https://devfeed.tech/sources/clickhouse-blog.md>)

Topics: [clickhouse](<https://devfeed.tech/topics/clickhouse.md>), [real-time](<https://devfeed.tech/topics/real-time.md>), [data](<https://devfeed.tech/topics/data.md>), [personalization](<https://devfeed.tech/topics/personalization.md>), [Cloud](<https://devfeed.tech/topics/cloud.md>)

Tags: [analytics](<https://devfeed.tech/tags/analytics.md>), [clickhouse](<https://devfeed.tech/tags/clickhouse.md>), [cloud](<https://devfeed.tech/tags/cloud.md>), [cost](<https://devfeed.tech/tags/cost.md>), [data](<https://devfeed.tech/tags/data.md>), [performance](<https://devfeed.tech/tags/performance.md>), [personalization](<https://devfeed.tech/tags/personalization.md>), [real-time](<https://devfeed.tech/tags/real-time.md>), [retail](<https://devfeed.tech/tags/retail.md>)

## AI overview

Eisan replaced a QlikView-based BI stack with ClickHouse Cloud for real-time ID-POS analytics across retail clients. The platform supports basket and cross analysis, personalized recommendations, and hundreds of millions of records per client, while improving reliability and performance and reducing licensing and infrastructure costs.

## Source excerpt

Rill uses ClickHouse to power real-time operational BI for 100B+ daily events, enabling instant exploration and conversational analytics directly against live datasets through a declarative, BI-as-code workflow.