---
title: "Discussion on \"⚡️ Fast Replacing of Millions of Rows Daily in ClickHouse – A Partitioned Merge Tree Solution\" | Hashnode"
description: "Discussion on \"⚡️ Fast Replacing of Millions of Rows Daily in ClickHouse – A Partitioned Merge Tree Solution\". Optimize ClickHouse performance by using partitioned MergeTree and partition swaps to replace large datasets quickly—no FINAL or slow merges needed."
url: "https://hashnode.com/posts/fast-replacing-of-millions-of-rows-daily-in-clickhouse-a-partitioned-merge-tree-solution/6888e1a9541c6cb69d5f2bfa"
---

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# [⚡️ Fast Replacing of Millions of Rows Daily in ClickHouse – A Partitioned Merge Tree Solution](https://clickhouse-partition-swap-trick.hashnode.dev/fast-replacing-of-millions-of-rows-daily-in-clickhouse-a-partitioned-merge-tree-solution?utm_source=hashnode&utm_medium=feed)

Optimize ClickHouse performance by using partitioned MergeTree and partition swaps to replace large datasets quickly—no FINAL or slow merges needed.

Jul 29, 2025 · 2 min read · clickhouse-partition-swap-trick.hashnode.dev  
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