A Survival Guide to a PhD (2016)

· · 来源:dev快讯

In ClickHouse Cloud, tables use the SharedMergeTree engine, which stores data in shared object storage with metadata coordinated through ClickHouse Keeper. This architecture changes the mutation picture: since replicas don't communicate directly with each other and all data lives in shared storage, mutations don't need to be independently applied on each replica — the rewritten parts are written to shared storage and become visible to all replicas through metadata updates. This leads to faster mutation execution and eliminates the replication delays that self-managed clusters can experience during heavy mutation workloads. Both classic mutations and lightweight updates with patch parts are available in ClickHouse Cloud.

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18:48, 12 марта 2026Россия

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徐丽,资深编辑,曾在多家知名媒体任职,擅长将复杂话题通俗化表达。

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